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2014 Drinking Water Consumer Confidence Report
for calendar year 2013 MAY 05 2014
CENTRAL WELD COUNTY WATER DISTRICT
PWSID CO 0162122 WELD COUNTY
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We are pleased to present to you this year's Annual Water Quality Report. Our constant goal is to provide you with a safe and
dependable supply of drinking water. Our water comes from the west slope of the Colorado Rockies and is delivered through the
Colorado Big Thompson Project and is filtered at the Carter Lake Treatment Plants.
If you have any questions about this report or concerning your water utility,please contact Central Weld County Water District at
(970)352-1284. We want our valued customers to be informed about their water utility, the services we provide and the quality
water we deliver to you every day.
All drinking water, including bottled water,may reasonably be expected to contain at least small amounts of some contaminants.
The presence of contaminants does not necessarily indicate that the water poses a health risk. Some people may be more
vulnerable to contaminants in drinking water than the general population. Immuno-compromised persons such as persons with
cancer undergoing chemotherapy. persons who have undergone organ transplants, people with HIV-AIDS or other immune
system disorders, some elderly, and infants can be particularly at risk of infections. These people should seek advice about
drinking water from their health care providers. More information about contaminants and potential health effects,or to receive a
copy of the U.S. Environmental Protection Agency (EPA) and the U.S. Centers for Disease Control (CDC) guidelines on
appropriate means to lessen the risk of infection by cryptosporidium and microbiological contaminants call the EPA Sole
Drinking Water Hotline at 1-800426-4791.or by visiting http: water.cpa gov drink contaminants.
The sources of drinking water(both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs, and
wells. As water travels over the surface of the land or through the ground, it dissolves naturally occurring minerals and, in some
cases, radioactive material, and can pick up substances resulting from the presence of animals or from human activity.
Contaminants that may be present in source water include:
• Microbial contaminants, such as viruses and bacteria that may come from sewage treatment plants,septic systems,and
wildlife.
• Inorganic contaminants, such as salts and metals,which can be naturally-occurring or result from urban stormwater
runoff,industrial or domestic wastewater discharges,oil and gas production,or mining.
• Pesticides and herbicides that may come from a variety of sources, urban stormwater runoff and residential uses.
▪ Organic chemical contaminants. including synthetic and volatile organic chemicals,which are byproducts of
industrial processes and petroleum production,and also may come from gas stations,urban stormwater runoff,and
septic systems.
• Radioactive contaminants, that can be naturally occurring or be the result of oil and gas production and mining
activities.
In order to ensure that tap water is safe to drink, the Colorado Department of Public Health and Environment prescribes
regulations limiting the amount of certain contaminants in water provided by public water systems. The Food and Drug
Administration regulations establish limits for contaminants in bottled water that must provide the same protection for public
health.
Our Water Source Name Source Type Water Type
Purchased Carter Lake 135476 SW Consecutive connection Surface Water
The Colorado Department of Public Health and Environment has provided a Source Water Assessment Report for the Carter
Lake Filter Plant water supply. You may obtain a copy of the report by visiting htto:i/wgcdcompliance.com/ccr, The report is
located under "Source Water Assessment Reports", then "Assessment Report by County". Select WELD county and find
162122; CENTRAL WELD CNTY WD. The Source Water Assessment Report provides a screening-level evaluation of
potential contamination that could occur. It does not mean that contamination has or will occur. Rather,this information is used
to evaluate the need to improve water treatment capabilities and to prepare for future contamination threats. This information is
used to ensure that quality finished water is delivered to you. In addition,the source water assessment results provide a starting
point from which a source water protection plan may be developed.
You may pay your bill online at www.cwewd.com 2014-1426
5/7 /aolq
CO 0162122 Central Weld County Water District
To help you understand the terms and abbreviations used in this report,we have provided the following definitions:
• Parts per million(ppm)or Milligrams per liter(mgA): One part per milling corresponds to one minute in two rears or one
penny in$11,000.
• Parts per pillion(ppb)Or Mic'ru¢rams per liter(/(¢/J): One part per billion corresponds to one minute in 2_0(10 rears. or
one penny in$10,000.000.
• Pmts per trillion(ppo or Nanograms per liter(pep: One part per trillion corresponds to one minute in 2,000.000 rears,
or one penny in$10,000,000,000.
• Pmts per quadrillion(ppq)or Pit ngrams per liter(pg/U: One part per quadrillion corresponds to one minute in
'_000,000.000 rears or one penny in$10.000,000.000.000.
• Picaeuries per Liter(pCl/U: .4 measure of radio aetiritr in crater.
• Nephelometric Turbidity Unit INTO: Nephelometric turbidity unit its a measure of the clarity o/'water. Turbidity in excess
of/its'NTU is just noticeable to the average person.
• Action Level(AL): The concentration ofa contaminant if exceeded, triggers treatment or other requirements a water
.system must fallow.
• Treatment Technique(TT): A treatment technique is a required process intended to reduce the level ofa contaminant in
drinking water.
• Maximum Contaminant Level Goal(MCLG): The "goal''is the level ofa contaminant in drinking water, below which there
is no lomwn or expected risk to health. MCLGs'allow.lo''a margin gist:/e4'.
• Maximum Contaminant Level(MCL): The "maximum allowed"is the highest level of contaminant that is allowed in
drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
• Maximum Residual Disinfectant Level Goal(MRDLG): The level of a chinking crater disinfectant, below which there is no
known or expected risk to health. b1RDLGs do not reflect the benefits of the use ofdisinfectants to control microbial
contaminants.
• Maximum Residual Disinfectant Level(MRDL): The highest level oft,disinfectant allowed in drinking water. There is
convincing evidence that addition oft;disin/ictmn is necessaryyfor control of microbial contaminants.
Lead in Drinking Water
If present,elevated levels of lead can cause serious health problems,especially for pregnant women and young children. Lead in
drinking water is primarily from materials and components associated with service lines and home plumbing. Central Weld is
responsible for providing high quality drinking water, but cannot control the variety of materials used in plumbing components.
When your water has been sitting for several hours, you can minimize the potential for lead exposure by flushing your tap for 30
seconds to 2 minutes before using water for drinking or cooking. If you are concerned about elevated lead levels in your home's
water,you may wish to have your water tested. Additional information is available from the EPA Sgle Drinking Water Hotline
at I-800-426-4791 or at intp*www.epa.coy/safewater.'lead.
Detected Contaminant(si
Central Weld County Water District routinely monitors for contaminants in your drinking water according to Federal and State
laws. The State of Colorado requires us to monitor for certain contaminants less than once per year because the concentrations of
these contaminants are not expected to vary significantly from year to year.or the system is not considered vulnerable to this type
of contamination. Some of our data,though representative,may be more than one year old. Violations and Formal Enforcement
Actions, if any, are reported in the next section of this report. This table shows the results of our monitoring for the period of
January I to December 31,2013;unless otherwise noted.
NOTE:Only detected contaminants sampled within the last S years appear in this report. If no tables appear in this section.that
means that Central Weld County Water District did not detect any contaminants in the last round of monitoring.
Microorganism Contaminants Sampled in the Distribution System
Contaminant Monitoring Results Number MCL MCLG MCL Typical
Name Period of Violation? Sources
Samples
COLIFORM 7/I/1I 2 positive Itl No More than I positive (1 Yes Naturally
to samples sample per period present in the
7'31;1/II environment
E.COLI N/.4 I positive N A A routine sample and a 0 No Human and
to sample repeat sample arc Total animal fecal
N/A Coliterm Positive and waste
one is also Fecal
Positive/E.Coli positive _
On January 12,2012,during a software upgrade at the Carter Lake Filter Plant,one sample of turbidity and chlorine was missed,
resulting in a Tier 3 monitoring violation.The samples taken immediately before and after the missed sample met drinking water
standards.
You may pay your bill online at www.cwcwd.com
CO 0162122 Central Weld County Water District
Violation(s)and Formal Enforcement Action(s)
Formal Enforcement Actions—No Formal Enforcement Actions to Report
Violations
Type Category Analyte Monitoring Federal Health Effects Compliance MCL or
Name Period Period Result TT Level
MCL Maximum COLIFOIRM 07/01/2011 07/01/2011 C'oliforms arc bacteria that N/A N/A
(TER), Contaminant l'ICR) to to are naturally present in the
ACUTE Level 07'31 2011 07'31 2011 environment and arc used as
Violation an indicator that other,
potentially harmful,bacteria
may be present. Colifomu
were found in more samples
than allowed and this was a
warning of potential
problems.
Additional Violation Information: Central Weld County Water District resolved the violation by changing the sample location.
Compounds Regulated at the Treatment Plant
CCR Level Violation Likely Source of
Contaminant MCI. MCLG Unit Detected Yes or No Sample Date Contamination
Determined as no violation.
TT< I.0 N/A NTU 0.78 NO 06/2013
Turbidity
TT<0.3 N/A NTU 95% NO Continual
Discharge of drilling wastes;
discharge from metal refineries;
Barium 2 2 ppm 0.(113 NO 1/21/2013 erosion of natural deposits.
Erosion of natural deposits,
water additive which promotes
strong teeth:discharge front
1/21/2013 fertilizer and aluminum
Fluoride 4 4 ppm 0.64 NO factories.
There are two standards for turbidity. The reported monthly turbidity must be less than or equal to 0.3 MU at least 950/0 of the time. Also,turbidity
must never be higher than 1.0 NTU at any time. The highest turbidity occurred in June 2013. Turbidity readings ranged from 0.01- (1.78 NTU.
Fluoride is added to help reduce tooth decay. In 201 I.based on the recommendation from the Departments of Health&Human Services and the EPA,
Carter Lake Filter Plant began reducing the level of fluoride to 0.7 ppm.
Compounds Regulated in the Distribution System
Level
CCR Detected/ Violation Sample
Contaminant MCL MCLG Units Range Yes or No Date Likely Source of Contamination
0.31 Corrosion of household plumbing systems;
Range August erosion of natural deposits;leaching from
Copper Al: 13 1.3 ppm 0.01-0.80 NO 2012 wood preservatives
6.0
Range August Corrosion of household plumbing systems,
Lead AL= 15 0 ppb 0.29-18.7 NO 2012 erosion of natural deposits
46.65 Avg.
Range
TTHM 80 0 ppb 32.7-54.1 NO Quarterly By-product of drinking water chlorination
32.87 Avg.
Range
HAAS 60 N/A ppb 20.8-48.9 NO Quarterly By- roduct of drinking water chlorination
No single sample for Copper or Lead exceeded the Action Level. Single level detected is 90i1 percentile:the range is for all
samples. The District is required to sample the Copper and Lead every 3 years. The next samples will be collected in 2015 between
June and September due to new regulations.
TTHM Total Trihalomcthanes. Level detected is annual average: the range is for all samples. HAA -Haloacetic.Level detected
is annual average:the range is for all samples.
Unregulated Compounds
Contaminant Level Detected/Range Likely Source of Contamination Unregulated compounds are those for
Chloroform 0.0 ppb* By-product of drinking water chlorination which EPA has not established drinking
water standards. The purpose of
Hromodichloromethane 0.0 ppb* By-product of drinking water chlorination
unregulated compound monitoring is to
Sodium 5.6 ppm Naturally°coming assist in drinking water and whether future
Methyl Teri-Butyl Ether(MTBI:) Not Tested Underground storage tanks regulation is warranted.
*Results from the 21 volatile organic compounds tested in January 2013. All contaminants were below detectable levels.
I
•
'***'WATER CONSERVATION
A 50%allotment has been issued by NCWCD,for the 2014 water year. Leaks in toilets are the number one cause of water loss in the home.
Remember that water conservation should be a priority in everyone's life as it is one of nature's treasures that is not always replaced
on a consistent basis. Learn how to save water at http://www.epaxiov/watersense
`**METER MAINTENANCE 6 TAMPERING***
PLEASE remember that a clearance of 3 ft. is required around meters, which means keeping obstructions and other impediments away
from your meter. Never enclose your meter inside a dog run or locked fence. All meters should be free from overgrown vegetation. All
customers in the District may have control of their water by a shut-off valve. Meter and meter pits are not to be tampered with by the Customer.
No unauthorized person shall maliciously, willfully or negligently break, damage, destroy, uncover, deface or tamper with any structures,
appurtenances or equipment which is a part of the District. No person shall uncover, make any connection with, or open into, use, alter or
disturb any of the District's water lines without first obtaining a written permit from the District. It shall be unlawful for any person to tap the
District's water line within the District without first having made a formal application to the District for approval and compliance. The District's
agents or other duly authorized employees shall be permitted to enter upon all properties for the purpose of inspection, observation,
measurement,sampling and testing in accordance with the provisions of these Rules and Regulations.
***CUSTOMER SERVICE AND STAFF***
Our regular office hours are from 8:00 am to Noon and 1:00 pm to 5:00 pm,Monday through Friday. If you have questions,please call us at
(970)352.1284. If you have problems after hours,please call and the answering service will take your message and contact the on-call
employee in the case of an emergency. Our fax number is(970)353-5865. Visit us on the web at www.cwcwd.com. Our staff consists of:
Mr.Stan Linker,District Manager;Mr. Mac McClellan,Field Manager,Mr.Dean Clarkin,Mr.Darin Naibauer,Mr.Noah Norman&Mr.Steve
Maddox,Mr.Jeremy Holtz,Certified Water Professionals,Mrs.Roxanne Garcia,Office Manager;Mrs.Jodi Reed,Customer Service/Billing;
Mrs.Kathy Naibauer,Customer Service/Special Projects. The Board of Directors meets at 1:30pm on the third Thursday of each month. The
Board is composed of the following members.Mi.James Miller(Preside,d),Mr.William Schaefer(Vice-presidont),M:.James?a,'r.(Lease;eri.
Mr.Albert Lind and Mr.Donald Meining.
422080653323.1264
PRESORTED
FIRST-CLASS MAIL
Central Weld County Water District u.s. POSTAGE PAID
2235 2nd Avenue CLICK2MAIL
Greeley, CO 8O631 22202
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Weld County,
PO Box 758
Greeley , CO 80632.0758
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