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COLORADO DEPARTMENT OF HEALTH
Richard D. Lamm "� "`>/* Thomas M. Vernon, M.D.
Governor 1 8 q 6 Executive Director
April 1.8, 1985 ViPli CC•1'.i9 tIniroSiginS
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Town of Platteville t.( APR 23 sib'
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C/0 Lenore Sharp, Mayor
P.O. Drawer 70
Platteville, Colo. 80651 canal Fr. cow.
RE: Site Application # 3719
Weld County
Gentlemen:
The Water Quality Control Division has reviewed and evaluated your site
application and supporting documentation for expansion of a domestic
wastewater treatment works located in the Northeast 1/4 of the Southeast
1/4 of Section 13, Township 3 North, Range 67 West, to serve the Town of
Platteville and to discharge to the South Platte River.
Prior to the construction and operation of the facility, an amended
discharge permit will be required which will specify the final conditions
and limitations of the operation of the facility.
We find your application to be in conformance with the Water Quality
Control Commission's "Regulations for Site Applications for Domestic
Wastewater Treatment Works". Therefore, the site application is approved
with the following conditions listed below.
1. Based upon application information, the system design will be for:
a. Average Daily Flow Capacity - 0.348 mgd
h. Organic Loading Capacity - 494 lbs. BOD5/day
c. Treatment Processes to be Used - Aerated lagoon system with
chlorination
2. Preliminary Effluent Parameter Values:
a. BOD5 - 30/45 mg/1
b. Suspended Solids - 75/110 mg/1.
c. Chlorine Residual - 0.2 mg/1
d. Fecal Coliform - 6,000/12,000 #/100 ml
Design for values in excess of these or failure to comply with any
condition of approval will render this approval void and another site
application will have to be processed.
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2. This site approval will expire one year from the date of this
letter if the construction of the project has not commenced by
that date. If expiration occurs, you must apply for a new site
approval. Construction is defined as entering into a contract
for the erection or physical placement of materials, equipment,
piping, earthwork, or buildings which are to he a part of a
domestic wastewater treatment works.
3. The design (construction plans and specifications) for the
treatment works have been approved by the Division. All
construction change orders initiating variances from the approved
plans and specifications must be approved by the Division•
4. The applicant's registered engineer must furnish a statement
prior to the commencement of operation stating that the
facilities were constructed in conformance with approved plans,
specifications, and change orders.
In accordance with Colorado Water Quality Control Commission regulations,
this approval is subject to appeal as stated under Section 2.2.5(7) of
"Regulations for Site Applications for Domestic Wastewater Treatment Works"•
This approval does not relieve the owner from compliance with all county
regulations prior to construction nor from responsibility for proper
engineering, construction, and operation of the facility.
Sincerely,
r G. roe man
•
Director
WATER QUALITY CONTROL DIVISION
xc: Norton, Underwood & Lamb, Inc.
Larimer-Weld Regional Council of Governments - Attn: Dave DuBois
Weld County Board of County Commissioners
Thomas L. Bennett, Senior Planner, WQCD
Bud Mahn, D.E., WQCD
Pat Nelson, Permits and Enforcement, WQCD
Sharon Ferdinandsen, Operator Certification, WQCD
Field Services Section, Secretary, WQCD
GGB/TLB/njf
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