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PWS ID	CO0162438
PWS Name	KEENESBURG TOWN OF
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	4650
County Served	Weld

The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based	Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL	The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique	A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL	The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting	Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other	Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

Violations

Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	4020592	Returned to Compliance	01-JAN-2021	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4020591	Returned to Compliance	07-JUL-2019	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	4020590	Returned to Compliance	01-APR-2019	30-JUN-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	4020589	Returned to Compliance	01-JUL-2018	30-SEP-2018	Yes
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4020588	Returned to Compliance	01-OCT-2016	31-DEC-2016	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	4020587	Returned to Compliance	01-OCT-2016	31-DEC-2016	No
MR	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	Stage 2 Disinfectants and Disinfection Byproducts Rule	4020586	Returned to Compliance	05-AUG-2016	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4020584	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	4020583	Returned to Compliance	01-APR-2008	30-APR-2008	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	4020581	Returned to Compliance	01-MAR-2008	31-MAR-2008	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	4020580	Returned to Compliance	01-FEB-2008	29-FEB-2008	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4020582	Returned to Compliance	01-JAN-2008	31-MAR-2008	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	4020308	Returned to Compliance	01-NOV-2007	30-NOV-2007	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	4019707	Returned to Compliance	01-MAR-2007	31-MAR-2007	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4019807	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	4018705	Returned to Compliance	01-MAY-2005	31-MAY-2005	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	4020414	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	4020422	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	4020423	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	4020415	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	4020416	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	4020418	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	4020419	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	4020424	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	4020417	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	4020421	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	4006503	Returned to Compliance	01-JUN-2003	30-JUN-2003	Yes
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	4006403	Returned to Compliance	01-NOV-2002	30-NOV-2002	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	4016605	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	4018605	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	4018505	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	4018405	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	4018305	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	4018205	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	4018105	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	4018005	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	4017905	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	4017805	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	4017705	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	4017605	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	4017505	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	4016805	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	4016905	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	4017005	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	4017105	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	4017205	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	4017305	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	4016705	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	4017405	Returned to Compliance	01-JAN-2002	31-DEC-2004	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3008099	Returned to Compliance	01-JUN-1999	30-JUN-1999	No

1 - 50 of 52

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
4034976	4020592	SOX	State Compliance achieved	18-AUG-2021	State	-
4034970	4020590	SOX	State Compliance achieved	30-JUN-2020	State	multiple Q with no additional MCL exceedances. LAC 7/14/2020
4034969	4020591	SOX	State Compliance achieved	19-NOV-2019	State	system had 2 quarters without an additional exceedance. LAC 2/10/2020
4034963	4020589	SOX	State Compliance achieved	30-NOV-2018	State	-
4034958	4020588	SOX	State Compliance achieved	02-NOV-2017	State	RTC with next quarter's sampling. ejc
4034958	4020587	SOX	State Compliance achieved	02-NOV-2017	State	RTC with next quarter's sampling. ejc
4034959	4020586	SIF	State Public Notification received	06-JUN-2017	State	-
4034950	4020415	SOX	State Compliance achieved	30-APR-2010	State	006T is inactive, new EP 007 sample used for SOX
4034950	4020414	SOX	State Compliance achieved	30-APR-2010	State	006T is inactive, new EP 007 sample used for SOX
4034950	4020416	SOX	State Compliance achieved	30-APR-2010	State	006T is inactive, new EP 007 sample used for SOX
4034950	4020417	SOX	State Compliance achieved	30-APR-2010	State	006T is inactive, new EP 007 sample used for SOX
4034950	4020418	SOX	State Compliance achieved	30-APR-2010	State	006T is inactive, new EP 007 sample used for SOX
4034950	4020419	SOX	State Compliance achieved	30-APR-2010	State	006T is inactive, new EP 007 sample used for SOX
4034950	4020421	SOX	State Compliance achieved	30-APR-2010	State	006T is inactive, new EP 007 sample used for SOX
4034950	4020422	SOX	State Compliance achieved	30-APR-2010	State	006T is inactive, new EP 007 sample used for SOX
4034950	4020424	SOX	State Compliance achieved	30-APR-2010	State	006T is inactive, new EP 007 sample used for SOX
4034950	4020423	SOX	State Compliance achieved	30-APR-2010	State	006T is inactive, new EP 007 sample used for SOX
4034948	4020583	SOX	State Compliance achieved	17-NOV-2008	State	>6 months without a violation-SOXd. cj
4034948	4020581	SOX	State Compliance achieved	17-NOV-2008	State	>6 months without a violation-SOXd. cj
4034948	4020580	SOX	State Compliance achieved	17-NOV-2008	State	>6 months without a violation-SOXd. cj
4034945	4020582	SOX	State Compliance achieved	20-OCT-2008	State	RTC with compliant 3Q08.
4034945	4020584	SOX	State Compliance achieved	20-OCT-2008	State	RTC with compliant 3Q08.
4034933	4019707	SOX	State Compliance achieved	31-MAR-2008	State	>6 mos w/o Violation. SOXd. cj
4034933	3008099	SOX	State Compliance achieved	31-MAR-2008	State	>6 mos w/o Violation. SOXd. cj
4034933	4006403	SOX	State Compliance achieved	31-MAR-2008	State	>6 mos w/o Violation. SOXd. cj
4034933	4018705	SOX	State Compliance achieved	31-MAR-2008	State	>6 mos w/o Violation. SOXd. cj
4034936	4018605	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4018405	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4018305	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4018205	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4018105	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4018005	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4017905	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4017805	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4017705	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4017605	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4017505	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4017405	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4017305	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4017205	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4017105	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4017005	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4016905	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4016805	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4016705	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4016605	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034936	4018505	SOX	State Compliance achieved	29-FEB-2008	State	RTC w/ receipt of '05-'07 samples
4034912	4019807	SOX	State Compliance achieved	12-FEB-2008	State	Late reporting. JD
4034909	4020308	SOX	State Compliance achieved	01-FEB-2008	State	late data. soxd. cj
4033307	4006503	SOX	State Compliance achieved	11-JAN-2007	State	> 6 months compliant.

1 - 50 of 52

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL NO 8	10510	Yes	Well	Ground water	Other	Inactive
HIGH SCHOOL WELL	20764	Yes	Well	Ground water	Permanent	Inactive
NO 4 WELL PARK	10507	Yes	Well	Ground water	Permanent	Inactive
WELL NO 15	26203	Yes	Well	Ground water	Permanent	Active
WELL NO 4R	24523	Yes	Well	Ground water	Permanent	Active
WELL NO 14	24078	Yes	Well	Ground water	Permanent	Active
WELL NO 11 LOST CREEK	16739	Yes	Well	Ground water	Permanent	Active
7 WELL AT TANK SITE	10509	Yes	Well	Ground water	Permanent	Active
WELL NO 5 FLURRIES POND	10508	Yes	Well	Ground water	Permanent	Active
NO 2 WELL SYPIAN	10506	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	7305	No	Distribution System/Zone	-	-	Active
STORAGE TANK FOR CT	1288	No	Storage	-	-	Active
HIGH SCHOOL STORAGE TANK	20766	No	Storage	-	-	Active
CEDAR STORAGE TANK	20767	No	Storage	-	-	Active
BLENDING TANK NO. 2 FOR CT	22457	No	Storage	-	-	Active
BLENDING STATION	16990	No	Treatment Plant	-	-	Active
CHLORINATOR FOR LOST CREEK WELL A1	17103	No	Treatment Plant	-	-	Inactive
HIGH SCHOOL CHLORINATOR	20765	No	Treatment Plant	-	-	Inactive
CHLORINATOR FOR NO 2 WELL SYPIAN	4578	No	Treatment Plant	-	-	Inactive
CHLORINATOR FOR NO 4 WELL PARK	4579	No	Treatment Plant	-	-	Inactive
CHLORINATOR FOR WELL NO 5 FLURRIES POND	4580	No	Treatment Plant	-	-	Inactive
CHLORINATOR FOR 7 WELL AT TANK SITE	4581	No	Treatment Plant	-	-	Inactive
CHLORINATOR FOR 8 WELL NEW 6 96	4582	No	Treatment Plant	-	-	Inactive

1 - 23 of 23

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
BLENDING STATION	16990	Hypochlorination, Post	Disinfection
BLENDING STATION	16990	Innovative	Disinfection
CHLORINATOR FOR LOST CREEK WELL A1	17103	Hypochlorination, Post	Disinfection
HIGH SCHOOL CHLORINATOR	20765	Hypochlorination, Post	Disinfection
HIGH SCHOOL CHLORINATOR	20765	Innovative	Disinfection
CHLORINATOR FOR NO 2 WELL SYPIAN	4578	Hypochlorination, Post	Disinfection
CHLORINATOR FOR NO 4 WELL PARK	4579	Hypochlorination, Post	Disinfection
CHLORINATOR FOR WELL NO 5 FLURRIES POND	4580	Hypochlorination, Post	Disinfection
CHLORINATOR FOR 7 WELL AT TANK SITE	4581	Hypochlorination, Post	Disinfection
CHLORINATOR FOR 8 WELL NEW 6 96	4582	Hypochlorination, Post	Disinfection

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For more information on a Water System:
Ask the operators of your water system, contact your primacy agency or file a Freedom of Information Act (FOIA) request.
Drinking water in general: Find out more about your drinking water web site or call the Safe Drinking Water Hotline (1-800-426-4791). EPA has also prepared a table about various regulated drinking water contaminants.
Tools for accessing EPA drinking water data: Safe Drinking Water Information System (SDWIS) Federal Reporting Services and Drinking Water Performance and Results Report.
Research Data: As well as monitoring the levels of drinking water contaminants for which EPA has set standards, EPA, states, and water systems also carry out studies of contaminants that may need to be regulated in the future. For more information about these contaminants, please see the National Contaminant Occurrence Database.

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