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Home My WebLink About20101553.tiff SITE SPECIFIC DEVELOPMENT PLAN AND USE BY SPECIAL REVIEW (USR) APPLICATION ' FOR PLANNING DEPARTMENT USE DATE RECEIVED: RECEIPT#/AMOUNT# /$ CASE#ASSIGNED: APPLICATION RECEIVED BY PLANNER ASSIGNED: Parcel Number: 105515200067, 105515200066 Legal Description: Lot B of Rec Exempt RE-3556: Part of the S1/2 of the Section 15, Township 4 North, Range 65 West; Lot A of Rec Exempt RE-3556: Part of the S1/2 of the Section 15, Township 4 North, Range 65 West; Flood Plain: None Zone District:A(Agriculture) Total Acreage: 79.66 Acreage for USR:79.66 Overlay District: None Geological Hazard: None FEE OWNER(S)OF THE PROPERTY: Name: Roswell and Kerry Checketts Phone: (970)284-5461 Address: 21506 WCR 43 City/State/Zip Code LaSalle, CO 80645 APPLICANT: Roswell and Kerry Checketts AUTHORIZED AGENT (See Below:Authorization must accompany applications signed by Authorized Agent) . Name: Tim Naylor, AGPROfessionals, LLC Address: 4350 Highway 66, Longmont, CO 80504 Phone: (970) 535-9318 Email: tnaylor@agpros.com PROPOSED USE: A livestock confinement facility(Dairy)to a total of 1,400 total animals including milking cows,dry cows, heifers, calves, employee housing, in the A (Agricultural) Zone District. I (We)hereby depose and state under penalties of perjury that all statements, proposals,and/or plans submitted with or contained within the application are true and correct to the best of my(our)knowledge. Signatures of all fee owners of property must sign this application. If an Authorized Agent signs, a letter of authorization from all fee owners must be included with the application. If a corporation is the fee owner, notarized evidence must be included indicating that the signatory has to legal authority to sign for the corporation. / 94/o Signat Signat e uth r' -. Agent •ate EXHIBIT 2. txsl2-I1 41 2010-1553 • _ •• �■ AGPROfessionals, LLC DEVELOPERS 07 ACP:ICU TYRE • To Whom It May Concern [ have contracted with AGPROfessionals, LLC to process all work related to a Site Specific Development Plan and Use by Special Review application to be filed in Weld County. AGPROfessionals, LLC is authorized to represent Roswell Checketts'Marcellina Dairy throughout this process. Sincerely, ,1 L% /174 Roswell Checketts/Marcellina Dairy • ENGINEERING, SURVEYING, PLANNING & CONSULTING 4350 Highway 66. Longmont,CO 80504 • 970.535.9313 'office . 970.535.9354/ fax. www.awros.com 1 • • • SITE SPECIFIC DEVELOPMENT PLAN AND USE BY SPECIAL REVIEW (USR) QUESTIONNAIRE The following questions are to be answered and submitted as part of the USR application. If a question does not pertain to your use, please respond with "not applicable", with an explanation as to why the question is not applicable. 1. Explain, in detail, the proposed use of the property. The existing use of this property is a dairy facility. This proposal is for a special use permit for 1400 head on adjoining parcels. The dairy is located on two (2) contiguous parcels totaling approximately 80 acres. The applicant also leases one additional contiguous parcel totaling 80-acres. Activities will include milking dairy cows; feeding, housing and raising replacement stock; storing and processing feed; storing and maintaining dairy equipment; and farming. Supporting infrastructure includes buildings and corrals for livestock husbandry, equipment storage, maintenance facilities, waste management control structures and employee housing. The facility will be operated under applicable local, state and federal regulations. The facility will also use standard and traditional operating procedures and best management practices consistent for dairy farming. • 2. Explain how this proposal is consistent with the intent of the Weld County Code, Chapter 22 (Comprehensive Plan). Section 22-2-60 A.Goal.1 states "Conserve agricultural land for agricultural purposes which foster the economic health and continuance of agriculture". 1.A.Policy 1.1 states "Agricultural zoning will be established and maintained and promote the County's agricultural industry. Agricultural zoning is intended to provide areas for agricultural activities and other uses interdependent upon agriculture." The proposed use is consistent with the Weld County Comprehensive plan through the preservation, enhancement and growth of agriculture. The facility supports commercial and industrial uses directly related to or dependent upon agriculture. The proposed site is not located within a flood hazard zone, a geologic hazard zone or airport overlay zone. The property use is necessary in Weld County to preserve the agricultural economic base historically attributed to the area. Typically, dairy operations contribute 2.5 times their gross sales into the local economy. The proposed request is consistent with the Weld County Comprehensive Plans support of agricultural activities. • • • • 3. Explain how this proposal is consistent with the intent of the Weld County Code, Chapter 23 (Zoning) and the zone district in which it is located. This proposal meets the intent of the agricultural zone district where the site is located. A livestock confinement operation exceeding four (4) animal units per acre are permitted in the A (Agricultural) zone district as a Use-by-Special Review. Currently there are two (2) similar uses in the area. Public health, safety and welfare are protected through adherence to applicable county, state and federal regulations and requirements and conditions of this permit. 4. What types of uses surround the site? Explain how the proposed use is consistent and compatible with surrounding land uses. Agricultural uses that surround this site are primarily crop farming, hay production, cattle grazing and rural residential. There is a dairy located approximately 2 miles southeast and a feedlot approximately 2.17 miles southeast of this facility. This proposal is compatible with the surrounding agricultural uses and the Weld County Comprehensive Plan. 5. Describe, in detail, the following: a. How many people will use this site? • There are 17 people including full time employees, the owners, the owners' family, sales representatives, and supply delivery people. b. How many employees are proposed to be employed at this site? There will be approximately 14 employees working over 3 shifts. c. What are the hours of operation? The facility will operate 24 hours per day. Equipment operations, trucks, farming activities and maintenance activities, other than emergencies, will occur primarily during daylight hours. d. What type and how many structures will be erected (built) on this site? There are no plans for additional buildings; however, improvements for drainage, fencing, roads and environmental controls will be made. Please refer to the site plan maps for existing buildings and environmental control structures. e. What type and how many animals, if any, will be on this site? • The applicant is requesting 1,400 head of cattle. • f. What kind (type, size, weight) of vehicles will access this site and how often? Typical vehicles accessing this site include feed and hay delivery trucks, semi- tractor/trailer, employee and owner vehicles, animal product vendors, and ag- related equipment. Operating equipment includes typical farming equipment, tractors, loaders and attachments. The following numbers are anticipated on the site. Semi-Tractor Milk Trailer: 1 /24hr day Commodity Trucks: 1-2/day Manure/Compost/Bedding: 1-2/day Livestock transportation —as needed Rendering Truck— as needed. Employees — Daily g. Who will provide fire protection to the site? LaSalle Fire Department. h. What is the water source on the property? (Both domestic and irrigation). • Water for the dairy parlor, livestock and domestic water is provided by a Central Weld County Water District tap. The irrigation water is provided by the Platte Valley Irrigation Company. What is the sewage disposal system on the property? (Existing and proposed). Sewage disposal for the homes and parlor are septic systems as evidenced by the accompanying permits. j. If storage or warehousing is proposed, what type of items will be stored? Storage and warehousing are not proposed as the primary use of this site. Feed, livestock bedding, equipment parts, and supplies typical of farming activities will be stored on site. 6. Explain the proposed landscaping for the site. The landscaping shall be separately submitted as a landscape plan map as part of the application submittal. This facility is landscaped and buffered from adjacent properties. There is no further landscaping planned with this permit application. • • • • 7. Explain any proposed reclamation procedures when termination of the Use by Special Review activity occurs. Reclamation procedures include compliance with applicable state regulations to manage solid manure and stormwater runoff until all relative material is adequately removed. Should the facility be permanently discontinued for use as a dairy, it would be marketed under applicable county planning and zoning regulations to its greatest and best use. 8. Explain how the storm water drainage will be handled on the site. Storm water drainage will be handled by the current and proposed wastewater retention structures and diversions. These components will be redesigned and enlarged to handle the additional capacity needed to meet all required regulations. Specific details regarding storm water management will be outlined in the Preliminary Waste System Design. 9. Explain how long it will take to construct this site and when construction and landscaping is scheduled to begin. This is an existing dairy; however, construction of the new wastewater retention structures and diversions will begin immediately upon approval of the Use by Special Review permit; it will take approximately one year to complete the plan. 10. Explain where storage and/or stockpile of wastes will occur on this site. The manure produced at the facility will be land applied at agronomic rates on the owner's farm land or hauled off and provided to local farmers. Storm water and process wastewater will be collected into wastewater retention structures. All proposed storm water structures are designed to meet all required regulations. No hazardous material storage is proposed for this site. Stormwater and wastewater will be periodically land applied at agronomic rates. A local rendering service will remove mortalities as needed. Debris and refuse will be collected and removed by a local trash service, such as Waste Management or BFI. • DEPARTMENT OF PUBLIC HEALTH & ENVIRONMENT 1555 N. 17'" Avenue Greeley, CO 80631 WEBSITE: ww•w.co.weld.co.us • ' ADMINISTRATION: (970) 304-6410 FAX: (970) 304-6412 C HEALTH COMMUNICATION: (970) 304-6470 O FAX: (970) 304-6452 PUBLIC HEALTH SERVICES: (970) 304-6420 COLORADO FAX: (970) 304-6416 ENVIRONMENTAL HEALTH SERVICES: (970) 304-6415 FAX: (970) 304-6412 PUBLIC HEALTH PREPAREDNESS: (970) 304-6420 FAX: (970) 304-6469 April 8, 2010 AGPROfessionals, LLC Attn: Mr. Tim Naylor 4350 Highway 66 Longmont, CO 80504 • Subject: Approval of Marcellina Dairy's Management Plan for Nuisance Control. The Weld County Department of Public Health and Environment has reviewed and approved the revised Management Plan for Nuisance Control for Marcellina • Dairy, LLC, submitted April 7, 2010. If you have any questions, please contact me at (970) 304-6415, extension 2219. Sincerely, 7 Troy E. Swain Environmental Health Specialist Environmental Health Services cc: Chris Gathman, Weld County Dept. of Planning Services • Marcellina Dairy, LLC Management Plan For Nuisance Control For Marcellina Dairy, LLC 21506 WCR 43 LaSalle, CO 80504 Developed in accordance with Generally Accepted Agricultural Best Management Practices Prepared By • AG PRO AGPROfessionals, LLC 4350 Highway 66 Longmont, CO 80504 December 2009 Apr 07 10 07:06a Roswell 970-284-5461 p.2 L Marcellima Dairy,LLC AGPROfessionals,LLC • Introduction This supplemental Management Plan for Nuisance Control has been devel¢ped and implemented to identify methods that Marcellina Dairy,LLC,will use to minimize the -inherent conditions that exist in confinement feeding operations. This supplement outlines management practices generally acceptable and proven effective at minimizing nuisance conditions. Neither nuisance management nor this supplemental plan is required by Colorado State stab or specifically outlined in the Colorado Confined Animal Feeding Operations Control Re ulations. This is a proactive measure to assist integration into local communities. Marcellina Dairy,LLC will use these management and control practices,to their best and practical extent. Legal Owner, Contacts and Authorized Persons Correspondence and Contacts should be made to: Roswell Checketts 21506 Weld County Road 43 LaSalle, CO 80645 The individual(s)at this facility who is(are)responsible for developing they implementation; maintenance and revision of this supplemental plan are listed below. • Roswell Checkelts Owner (N ) C Rfl.tieeei/(Name) (Title) Legal Description The confined animal feeding facility described in this NMP is located at: Part of the South V2 of the Northwest Y.of Section 15, Township 4 North, Range 65 West of the 6th P.M. • Marcellina Dairy,LLC AGPROfessionals,LLC • Air Quality Air quality at and around confined animal feeding operations are affected primarily from the relationship of soil/manure and available moisture. The two primary air quality concerns at dairies are dust and odor. However, the management practices for dust or odor control are not inherently compatible. Wet pens and manure produce odor. Dry pens are dusty. The two paragraphs below outline the best management practices for the control of dust and odors that Marcellina Dairy, LLC will use. The manager shall closely observe pen conditions and attempt to achieve a balance between proper dust and odor control. Dust Dust from pen surfaces is usually controlled by intensive management of the pen surface by routine cleaning and harrowing of the pen surface. The purpose of intensive surface management is twofold; to keep cattle clean and to reduce pest habitat. The best management systems for dust control involve moisture management. Management methods Marcellina Dairy, LLC shall use to control dust are: 1. Pen density Moisture will be managed by varying stocking rates and pen densities. The animal's wet manure and urine keep the surface moist and control dust emissions. Stocking rates in • will be managed to minimize dust. 2. Regular manure removal Marcellina Dairy, LLC will continue to conduct regular manure removal. Manure removal and pen maintenance will be conducted as needed. 3. Sprinkler systems Sprinkler systems, timed appropriately, are an effective method for keeping pen surfaces moist. Dairy cattle produce significant moisture through urine and feces. Pens surfaces are extensively maintained for cattle health. 4. Water Trucks Should nuisance dust conditions arise; water tanker trucks or portable sprinkling systems may be used for moisture control on pens and roadways to minimize nuisance dust conditions. Odor Odors result from the natural decomposition processes that start as soon as the manure is excreted and continue as long as any usable material remains as food for microorganisms living everywhere in soil, water and the manure. Odor strength depends on the kind of manure, and the conditions under which it decomposes. • 3 Marcellina Dairy,LLC AGPROfessionals,LLC • Marcellina Dairy, LLC will use the methods and management practices listed below for odor control: 1. Establish good pen drainage Dry manure is less odorous than moist manure. The Dairy will conduct routine pen cleaning and surface harrowing to reduce standing water and dry or remove wet manure. 2. Regular manure removal Reduce the overall quantity of odor producing sources. The Dairy will conduct routine pen cleaning and harrowing several times per month. 3. Composting Reduces volume, nutrients and minimizes odor and pests. 4. Reduce standing water Standing water can increase microbial digestion and odor producing by-products. Proper pen maintenance and surface grading will be conducted by the dairy to reduce standing water. The stormwater ponds will be dewatered regularly in accordance with the Manure and Wastewater Management Plan for Marcellina Dairy, LLC. No chemical additives or treatments of the stormwater ponds for odor control are planned. Research to date • indicates poor efficacy, if any, of these products. 5. Land application timing Typically air rises in the morning and sinks in the evening. Marcellina Dairy, LLC will consider weather conditions and prevailing wind direction to minimize odors from land application. If it is determined that nuisance dust and odor conditions persist, Marcellina Dairy, LLC may increase the frequency of the respective management practices previously outline such as pen cleaning, surface grading and pen maintenance. Additionally, if nuisance conditions continue to persist beyond increased maintenance interval controls, Marcellina Dairy, LLC will install physical or mechanical means such as living windbreaks and/or solid fences to further minimize nuisance conditions from dust and odors. Insects and rodents inhabit areas that 1) have an adequate to good food supply and 2) foster habitat prime for breeding and living. Key practices Marcellina Dairy, LLC will use to manage insects and rodents are to first eliminate possible habitat and then reduce the available food supply. S 4 Marcellina Dairy,LLC AGPROfessionals,LLC • Pest Control Insects and Rodents 1. Regular manure removal and composting Manure management removes both food sources and habitat 2. Reduce standing water Standing water is a primary breeding ground for insects 3. Minimize fly habitat Standing water, weeds and grass, manure stockpiles, etc., are all prime habitat for reproduction and protection. Reduce or eliminate these areas where practical. 4. Weeds and grass management Keep weeds and grassy areas to a minimum. These provide both protection and breeding areas. 5. Minimize stockpiles or storage of manure Stockpiles of manure provide both breeding and protective habitat. Keep stockpile use to a minimum. 6. Biological treatments Parasitic wasps are excellent biological fly control and are widely used. The wasps lay their eggs in fly larvae hindering fly reproduction. 7. Baits and chemical treatments Due to environmental and worker's safety concerns, chemical treatments are a last line of defense for insect control. Baits and treatments must be applied routinely. However, they are very effective. Rodent control at Marcellina Dairy, LLC is best achieved by minimizing spillage of feedstuffs around the operation. Good housekeeping practices and regular feed bunk cleaning, site grading and maintenance are used to reduce feed sources. Rodent traps and chemical treatments are effective control methods and will be used as necessary. In the event it is determined nuisance conditions from pest such as flies and rodents persist, Marcellina Dairy, LLC will initially increase the frequency of the housekeeping and management practices outlined previously. If further action is necessary, Marcellina Dairy, LLC will increase use of chemical controls and treatments, such as fly sprays, baits, and rodendicide for pest control. • 5 Marcellina Dairy,LLC AGPROfessionals,LLC • Mortality Management Marcellina Dairy, LLC will maintain the timely removal and disposal of mortalities to a rendering company. Records of disposal will be maintained and will be available for review upon request. • • 6 Marcellina Dairy, LLCID • • Management Plan For Nuisance Control For Marcellina Dairy, LLC 21506 WCR 43 LaSalle, CO 80504 Developed in accordance with Generally Accepted Agricultural Best Management Practices Prepared By • AG PRO AGPROfessionals, LLC 4350 Highway 66 Longmont, CO 80504 December 2009 • Mareelllna Dairy,LLC • • AGPROfessionals,LLC • Introduction This supplemental Management Plan for Nuisance Control has been developed and implemented to identify methods that Marcellina Dairy, LLC, will use to minimize the inherent conditions that exist in confinement feeding operations. This supplement outlines management practices generally acceptable and proven effective at minimizing nuisance conditions. Neither nuisance management nor this supplemental plan is required by Colorado State statute or specifically outlined in the Colorado Confined Animal Feeding Operations Control Regulations. This is a proactive measure to assist integration into local communities. Marcellina Dairy, LLC will use these management and control practices, to their best and practical extent. Legal Owner, Contacts and Authorized Persons Correspondence and Contacts should be made to: Roswell Checketts 21506 Weld County Road 43 LaSalle, CO 80645 The individual(s) at this facility who is (are) responsible for developing the implementation; maintenance and revision of this supplemental plan are listed below. • Roswell Cheeketts Owner (NaLe� t (Title)etika— OW yl tr. (Name) (Title) Legal Description The confined animal feeding facility described in this NMP is located at: Part of the South '/ of the Northwest '/, of Section 15, Township 4 North, Range 65 West of the 6th P.M. • 2 Marcellina Dairy,LLC • AGPROfessionals,LLC Air Quality Air quality at and around confined animal feeding operations are affected primarily from the relationship of soil/manure and available moisture. The two primary air quality concerns at dairies are dust and odor. However, the management practices for dust or odor control are not inherently compatible. Wet pens and manure produce odor. Dry pens are dusty. The two paragraphs below outline the best management practices for the control of dust and odors that Marcellina Dairy, LLC will use. The manager shall closely observe pen conditions and attempt to achieve a balance between proper dust and odor control. Dust Dust from pen surfaces is usually controlled by intensive management of the pen surface by routine cleaning and harrowing of the pen surface. The purpose of intensive surface management is twofold; to keep cattle clean and to reduce pest habitat. The best management systems for dust control involve moisture management. Management methods Marcellina Dairy, LLC shall use to control dust are: 1. Pen density Moisture will be managed by varying stocking rates and pen densities. The animal's wet manure and urine keep the surface moist and control dust emissions. Stocking rates in • will be managed to minimize dust. 2. Regular manure removal Marcellina Dairy, LLC will continue to conduct regular manure removal. Manure removal and pen maintenance will be conducted as needed. 3. Sprinkler systems Sprinkler systems, timed appropriately, are an effective method for keeping pen surfaces moist. Dairy cattle produce significant moisture through urine and feces. Pens surfaces are extensively maintained for cattle health. 4. Water Trucks Should nuisance dust conditions arise; water tanker trucks or portable sprinkling systems may be used for moisture control on pens and roadways to minimize nuisance dust conditions. Odor Odors result from the natural decomposition processes that start as soon as the manure is excreted and continue as long as any usable material remains as food for microorganisms living everywhere in soil, water and the manure. Odor strength depends on the kind of manure, and the conditions under which it decomposes. Although occasionally unpleasant, the odors are not dangerous to health in the quantities customarily notices around animal feeding operations and • fields where manure is spread for fertilizer. 3 Marcel/ina Dairy,LLC • • AGPROjessionals,LLC • Marcellina Dairy, LLC will use the methods and management practices listed below for odor control: 1. Establish good pen drainage Dry manure is less odorous than moist manure. The Dairy will conduct routine pen cleaning and surface harrowing to reduce standing water and dry or remove wet manure. 2. Regular manure removal Reduce the overall quantity of odor producing sources. The Dairy will conduct routine pen cleaning and harrowing several times per month. 3. Composting Reduces volume, nutrients and minimizes odor and pests. 4. Reduce standing water Standing water can increase microbial digestion and odor producing by-products. Proper pen maintenance and surface grading will be conducted by the dairy to reduce standing water. The stormwater ponds will be dewatered regularly in accordance with the Manure and Wastewater Management Plan for Marcellina Dairy, LLC. No chemical additives or treatments of the stormwater ponds for odor control are planned. Research to date • indicates poor efficacy, if any, of these products. 5. Land application timing Typically air rises in the morning and sinks in the evening. Marcellina Dairy, LLC will consider weather conditions and prevailing wind direction to minimize odors from land application. ;fit is determined that nuisance dust and odor conditions persist, Marcellina Dairy, LLC may increase the frequency of the respective management practices previously outline such as pen cleaning. surface grading and pen maintenance. Additionally, if nuisance conditions continue to persist beyond increased maintenance interval controls, Marcellina Dairy, LLC will install physical or mechanical means such as living windbreaks and/or solid fences to fisrther minimize nuisance conditions from dust and odors. Insects and rodents inhabit areas that 1) have an adequate to good food supply and 2) foster habitat prime for breeding and living. Key practices Marcellina Dairy, LLC will use to manage insects and rodents are to first eliminate possible habitat and then reduce the available food supply. • 4 Marcellina Dairy,LLC • • AGPROfessionaGy LLC • Pest Control Insects and Rodents 1. Regular manure removal and composting Manure management removes both food sources and habitat 2. Reduce standing water Standing water is a primary breeding ground for insects 3. Minimize fly habitat Standing water, weeds and grass, manure stockpiles, etc., are all prime habitat for reproduction and protection. Reduce or eliminate these areas where practical. 4. Weeds and grass management Keep weeds and grassy areas to a minimum. These provide both protection and breeding areas. S. Minimize stockpiles or storage of manure Stockpiles of manure provide both breeding and protective habitat. Keep stockpile use to a minimum. • 6. Biological treatments Parasitic wasps are excellent biological fly control and are widely used. The wasps lay their eggs in fly larvae hindering fly reproduction. 7. Baits and chemical treatments Due to environmental and worker's safety concerns, chemical treatments are a last line of defense for insect control. Baits and treatments must be applied routinely. However, they are very effective. Rodent control at Nlarcellina Dairy, LLC is best achieved by minimizing spillage of feedstuffs around the operation. Good housekeeping practices and regular feed bunk cleaning, site grading and maintenance are used to reduce feed sources. Rodent traps and chemical treatments are effective control methods and will be used as necessary. In the event it is determined nuisance conditions from pest such as flies and rodents persist, Marcellina Dairy, LLC will initially increase the frequency of the housekeeping and management practices outlined previously. IffUrther action is necessary. Marcellina Dairy, LLC will increase use of chemical controls and treatments, such as fly sprays, baits, and rodendicide for pest control. • 5 • Marcellina Dairy Weld County, CO Preliminary Waste System Design Prepared by: • AG PRO 4350 Highway 66 Longmont, CO 80504 • 970-535-9318 • Summary This analysis covers the preliminary design recommendations for a waste management system for the Marcellina Dairy in Weld County, Colorado. This facility currently milks approximately 640 head and is considered a Confined Animal Feeding Operation (CAFO). Therefore, the facility is subject to the Colorado Department of Public Health and Environment(CDPH&E) regulations 61 and 81. This preliminary design meets the requirements set forth in those regulations. Project Description The site is located in Weld County approximately 3 miles southeast of the town of LaSalle, CO. The facility is located in the South 1/2 of the Northwest '/ of Section 15, Township 4 North, Range 65 West of the 6`h Principle meridian. The Dairy will have a total capacity of approximately 1400 head and a milking capacity of approximately 700 head. The site will include approximately 40 acres of production area. Design Objectives • The waste management plan for Marcellina Dairy will consist of constructing a waste storage pond on the east edge of the property in an existing low spot. This pond will be constructed to contain all runoff from the production area, including the lot area, commodity storage area, and calf area. The new pond will be dewatered to the farmground under the control of the dairy located directly north of the production area. Additional water will be dewatered to adjacent property owners as needed. Water will be applied to the cropped field at agronomic rates as a fertilizer according to a nutrient management plan that will meet State requirements. A sediment basin will be constructed to minimize the solid and nutrient loading of the wastewater. The separator will be cleaned as needed and the solids removed along with the rest of the facility's solid manure. • AgProfessionals, LLC Page 2 of 21 Marcellina Dairy . Hydrology and Hydraulics This waste management system is designed to contain the 25yr-24hr storm event as determined from the TAPS weather data. The required capacity was determined using the spreadsheet 313Pond.XLS "RECTANGULAR WASTE STORAGE POND DESIGN COMPUTATIONS" developed by John Andrews, NRCS State Conservation Engineer for Colorado. The spreadsheet uses a monthly balance approach accounting for precipitation inputs, as well as evaporation and pumped draw-downs during the summer irrigation season for the outputs. All waste water will be generated from the lot area, feed and commodity area and the calf area. All precipitation that does not fall directly on these areas will be diverted away from the containment area and will flow into the natural depressions. The design storm is determined to be the 25yr-24hr event for the Greeley, CO weather station and corresponds to a depth of 3.4 in. Using an earthen lot area of 27 acres, and a NRCS curve number of 90, the runoff yield is 2.35 in. This corresponds to a total design storm volume from the lot area of 5.3 acre-feet. An additional 12 acres are used as feed storage, manure storage, and general farmyard and will flow to the proposed pond. These • 12 acres are relatively sandy and classified by NRCS hydrologic groups A and B. A conservative weighted curve number of 85 for newly graded areas yield a runoff for the design storm of 1.93 acre-feet. Precipitation falling directly onto the pond surface during the design storm contributes an additional 0.66 acre-feet. Additional storage volume is accounted for to contain runoff from normal precipitation events and process water from the milking and cleaning operations. It is estimated that the parlor produces approximately 8,200 gallons when milking approximately 700 head. This equates to approximately 11.7 gallons per cow per day. Accumulation of precipitation and process water during 6 winter months is estimated to be 6.0 acre-feet. Storage Pond The storage pond is rectangular in shape to and will be lined with a compacted clay liner with a 1 foot protective soil blanket. An emergency spillway will be installed along the East edge of the pond to comply with Regulation 5 CCR 1002-61.17(5)(c)(ix)(C). The system is designed to be dewatered frequently during the summer of each year and dewatered as low as possible prior to each winter. The pond has been designed to handle the normal runoff and process water and still maintain capacity for the design storm. The water level must be kept below the working depth marked on the staff gauge to ensure adequate storage capacity for runoff from the design storm. • AgProfessionals, LLC Page 3 of 21 Marcellina Dairy • Sediment Basin A small earthen sediment basin is proposed to facilitate solids settling and reduce the solids accumulation in the pond. This basin will be constructed with a compacted clay liner that has a seepage rate of less than 1.0e-6 cm/sec. Geotechnical Recommendations The soil survey indicated that the site is underlain predominantly by sandy soils. The soil survey indicates that the soils are a Cascajo gravelly sandy loam, Olney fine sandy loam and a Vona sandy loam where the proposed pond site will be located. Subsurface explorations have been conducted and groundwater was not present within the first 20 feet of the bores. This indicates that a high groundwater table will not be a limiting factor in the design of this waste management system. The bores have been made into piezometers and the groundwater levels will continue to be monitored until construction. This subsurface exploration indicated that the soils in the proposed pond area consisted of coarse soils over top of a heavier soil. This heavier soil will be analyzed for its suitability . as a compacted clay liner. Land Application The proposed waste storage pond will be dewatered to the primary land application site located north of the dairy. All wastewater will be applied at agronomic rates as defined in the facility's nutrient management plan. Using estimates generated from the spreadsheet 313Pond.XLS "RECTANGULAR WASTE STORAGE POND DESIGN COMPUTATIONS", 14 acre-feet of wastewater will be generated in an average year. The amount of alfalfa needed to utilize this wastewater in a conservative manner is 50 acres of flood irrigated ground. In order to utilize the almost 8 acre-feet of runoff generated in a 25-year, 24-hour storm event, 28 acres of flood irrigated alfalfa is needed. The facility has approximately 40 acres of flood irrigated land. Additional waste water will be dewatered to adjacent landowners as needed. Approximately 6,300 tons of manure will be generated annually. This manure will be given away to local farmers for use in their cropping operations. • AgProfessionals, LLC Page 4 of 21 Marcellina Dairy • C W 9 O CD O r r r) O) N co cn to O O r- O Q ,_ N to M C) CD 00 C7 N CJ? i� nt. N r - O = = Q' E O U C tC) Co to M O r r O r N Cam, 4 cb O CU O U co U U U I-- U r QQ 4 ¢ Cn ¢ `N � r I o Y co z cN ''. � E ! O N V' N V' cn L 1 r r pp t0 ^ p C0 r CN o r r '�- Q co'CO O O to V? I� r i� CXJ CO o o cc 0—o � ¢ oo . 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T > N N T >� O T y Q) J a 1 N a •c .ri - c ti, c -, to ci > �i F o o cc0 c.-ci)cn co oc � U m -3Li ali MQM -) -3Qc°n) Liza o r o 0 > > • CZ U W Ct 0 • • • • Basic Data and Drawings • Proposed Drawing • Aerial View • USGS Topographic map • Land Application Sites • Wells • Soils map • Soil survey engineering properties • Hydrologic Soils • Manure generation table • Land application requirements • • AgProfessionals, LLC Page 6 of 21 Marcellina Dairy • Table 4: Solid Manure Produced and Associated Nutrients ASAE O384.1-Dec 2001 Moisture Manure Manure TS VS Nitrogen Prosphorus Potassium Number of Wt./hd, (lbs./day/ (ft3/day/ (lbs./day/ (lbs./day/ (lbs./day/ (lbs./day/ (lbs./day/ Animal Type Hd lbs. Total Wt.,lbs. (%) 1000#) 1000# 1000#) 1000#) 1000#) 1000#) 1000#) Milk Cows 700 1,500 1,050,000 86.0 86.0 1.40 12.0 10.0 0.45 0.094 0.29 Dry Cows 200 1,200 240,000 86.0 86.0 1.40 12.0 10.0 0.45 0.094 0.29 Springers 250 1,000 250,000 86.0 86.0 1.40 12.0 10.0 0.45 0.094 0.29 Heifers 250 750 187,500 86.0 86.0 1.40 12.0 10.0 0.45 0.094 0.29 Totals 1,400 1,727,500 Total Daily Production 148,565 2,419 20,730 17,275 777 162 501 Total Annual Production 54,226,225 882,753 7,566,450 6,305,375 283,742 59,271 182,856 Manure produced w/moisture content of 86.0% 27,113 tons Manure to apply w/moisture content of 46.0% 7,029 tons Compost produced w/moisture content of 40.0% 6,326 tons • • AGPROfessionals, LLC Land Application Requirements for Design Storm Event 25-year,24-hour storm volume( 7.9 A.F.),gallons 2,570,789 • Total Nitrogen contained in liquid,lbs. 10,283 'Total-N= 4.0 lbs./1,000 gal Ammonium-Nitrogen contained in liquid,lbs. 5,142 "NH3-N= 2.0 lbs./1,000 gal Organic-Nitrogen contained in liquid,lbs. 5,142 Organic-N= 2.0 lbs./1,000 gal Ammonium-Nitrogen available after irrigation,lbs. 4,010 22.0% Flood-Irrigation loss' Organic-Nitrogen available 3rd year,lbs. 2,159 42%Equilibrium mineralization rate for organic-N" Nitrogen available to plants(PAN)yr.after yr.,lbs. 6,170 Soil Organic Matter,% 1.0 Irrigation Water NO3 content,ppm 5.0 Residual NO3 in soil,ppm(ave 2ft) 5.0 Alfalfa Corn Silage Expected Yield(grain,Bu/acre;silage,tons/acre) 6 25 Based on CSU Extension N req.w/listed O.M.,soil N,&Irr.Water NO3,(lb./acre) 221 141 Bulletin#538&#0.565 Acres req.if effluent applied via flood irrigation 28 44 "Taken from CSU's Bulletin No.568A Best Management Practices for Manure Utilization Land Application Requirements for Average Years'Stormwater&Process Water Maximum pumping requirement( 14.0 A.F.),gallons 4,561.603 Total Nitrogen contained in liquid,lbs. 18,246 "Total-N= 4.0 lbs./1,000 gal Ammonium-Nitrogen contained in liquid,lbs. 9,123 "NH3-N= 2.0 lbs./1,000 gal Organic-Nitrogen contained in liquid,lbs. 9,123 Organic-N= 2.0 lbs./1,000 gal Ammonium-Nitrogen available after irrigation,lbs. 7,116 22.0% Flood-Irrigation loss' Organic-Nitrogen available 3rd year,lbs. 3,832 42%Equilibrium mineralization rate for organic-N" Nitrogen available to plants(PAN)yr.after yr.,lbs. 10,948 Soil Organic Matter,% 1.0 Irrigation Water NO3 content,ppm 5.0 Residual NO3 in soil(ave 2 ft),ppm 5.0 Alfalfa Corn Silage Expected Yield(grain,Bu/acre;silage or grass,tons/acre) 6 25 Based on CSU Extension N req.w/listed O.M.,soil N,&Irr.Water NO3,(lb./acre) 221 141 Bulletin#538&#0.565 Acres req.if effluent applied via flood irrigation 50 78 -Taken from CSU's Bulletin No.568A Best Management Practices for Manure Utilization Land Application Requirements-Solid Manure Nitrogen produced annually, 0% used,rest giver - Nitrogen loss during storage&handling,lbs. - 40% lost as ammonia Total Nitrogen in manure before application,lbs. - Ammonium-Nitrogen contained in manure,lbs. - 'NHa-N= 38.5%of total N in solid manure Organic-Nitrogen contained in manure,lbs. - "Organic-N= 61.5% of total N in solid manure NHa-N available after spreading(no incorporation),lbs. - 'NHa-N loss= 22.5%within 4 days of application Organic-Nitrogen available 3rd year,lbs. - 55% Equilibrium mineralization rate for organic-N" Nitrogen available to plants(PAN)yr.after yr.,lbs. - Soil Organic Matter,% 1.0 Irrigation Water NO3 content,ppm 10.0 Residual NO3 in soil,ppm 10.0 Corn Silage Expected Yield(tons) 25 Based on CSU Extension N req.w/listed O.M.&residual soil N,lb./acre 81 Bulletin#538 Acres req. - "Taken from CSU's Bulletin No.568A Best Management Practices for Manure Utilization Land Application Requirements-Compost Nitrogen produced annually, 0% used,rest giver - Nitrogen loss during storage&handling,lbs. - 40% lost as ammonia Total Nitrogen in manure before composting,lbs. - Total Nitrogen in compost after composting,lbs. - 30%total N lost during composting Ammonium-Nitrogen contained in manure,lbs. - "NHa-N= 0.0%of total N in solid manure Organic-Nitrogen contained in manure,lbs. - "Organic-N= 100.0%of total N in solid manure NHa-N available after spreading(no incorporation),lbs. - 'NH4-N loss= 0.0%within 4 days of application Organic-Nitrogen available 4rd year,lbs. - 42% Equilibrium mineralization rate for organic-N" Nitrogen available to plants(PAN)yr.after 4 yr.,lbs. - Soil Organic Matter,% 1.0 Irrigation Water NO3 content,ppm 10.0 Residual NO3 in soil,ppm 10.0 Com Stage • Expected Yield(tons) 25 Based on CSU Extension N req.w/listed O.M.&residual soil N,lb./acre 81 Bulletin#538 Acres req. - "Taken from CSU's Bulletin No,568A Best Management Practices for Manure Utilization,and SSSAJ 64:2024-2030,2000) AGPROfessionals, LLC Hello