Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	CO0111700
PWS Name	MANASSA TOWN OF
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	976
County Served	Conejos

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
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4003623	Open	26-DEC-2025	-	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	4003622	Known	01-JAN-2025	31-DEC-2025	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	4003619	Returned to Compliance	01-JAN-2023	31-DEC-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4003620	Returned to Compliance	01-JAN-2023	31-DEC-2023	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4003615	Open	30-OCT-2022	-	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	4003616	Returned to Compliance	01-OCT-2022	31-OCT-2022	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4003617	Returned to Compliance	01-OCT-2022	31-DEC-2022	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	4003612	Returned to Compliance	01-MAR-2022	31-MAR-2022	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4003611	Returned to Compliance	30-JAN-2022	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4003614	Returned to Compliance	01-JAN-2022	31-MAR-2022	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4003610	Returned to Compliance	30-OCT-2021	-	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	4003605	Returned to Compliance	01-JUL-2020	30-SEP-2020	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	4003604	Returned to Compliance	01-APR-2020	30-JUN-2020	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	4003603	Returned to Compliance	01-APR-2020	30-JUN-2020	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	4003601	Returned to Compliance	01-OCT-2018	30-SEP-2019	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4003602	Returned to Compliance	01-OCT-2018	30-SEP-2019	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4003600	Returned to Compliance	01-OCT-2017	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4003599	Returned to Compliance	01-JUL-2016	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4003593	Returned to Compliance	01-OCT-2015	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4003590	Returned to Compliance	01-JAN-2015	31-MAR-2015	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	4003592	Returned to Compliance	01-JAN-2015	31-JAN-2015	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4003595	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	4003594	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	4003598	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4003519	Returned to Compliance	01-JUL-2013	-	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	4003589	Returned to Compliance	01-JAN-2013	31-DEC-2013	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	4003516	Returned to Compliance	01-DEC-2012	31-DEC-2012	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4003517	Returned to Compliance	01-OCT-2012	31-DEC-2012	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	4003515	Returned to Compliance	01-JAN-2012	31-DEC-2012	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	4003514	Returned to Compliance	01-JAN-2012	31-DEC-2012	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	ETHYLENE DIBROMIDE	4003570	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	1,2-DIBROMO-3-CHLOROPROPANE	4003569	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	4003540	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	4003539	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	4003538	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	4003537	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	4003536	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	4003535	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	4003534	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	4003533	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	4003532	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	4003531	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	4003530	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	4003529	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	4003528	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	4003527	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	4003526	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	4003525	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	4003524	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	4003523	Returned to Compliance	01-JAN-2011	31-DEC-2013	No

1 - 50 of 109

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
4023043	4003622	SIE	State Public Notification requested	26-JAN-2026	State	-
4023044	4003623	SIA	State Violation/Reminder Notice	26-JAN-2026	State	-
4023039	4003619	SOX	State Compliance achieved	25-SEP-2024	State	FTM CDBP in 2023 RTC through timely 2024 samples collected 09/25/24 reported 10/10/24 (lfra 11/12/24);
4023039	4003620	SOX	State Compliance achieved	25-SEP-2024	State	FTM CDBP in 2023 RTC through timely 2024 samples collected 09/25/24 reported 10/10/24 (lfra 11/12/24);
4023036	4003617	SOX	State Compliance achieved	28-NOV-2022	State	System sampled 11/22/22 results received 11/28/22
4023036	4003616	SOX	State Compliance achieved	28-NOV-2022	State	System sampled 11/22/22 results received 11/28/22
4023028	4003615	SIA	State Violation/Reminder Notice	09-NOV-2022	State	-
4023027	4003614	SIE	State Public Notification requested	17-JUN-2022	State	-
4023025	4003612	SOX	State Compliance achieved	21-APR-2022	State	-
4023024	4003611	SOX	State Compliance achieved	28-MAR-2022	State	-
4023024	4003610	SOX	State Compliance achieved	28-MAR-2022	State	-
4023006	4003604	SOX	State Compliance achieved	10-DEC-2020	State	System collected required 4Q 2020 sample. hpo 2/4/2021
4023006	4003605	SOX	State Compliance achieved	10-DEC-2020	State	System collected required 4Q 2020 sample. hpo 2/4/2021
4023003	4003602	SOX	State Compliance achieved	25-SEP-2020	State	System sampled during monitoring period in 2020. hpo 10/29/2020
4023003	4003601	SOX	State Compliance achieved	25-SEP-2020	State	System sampled during monitoring period in 2020. hpo 10/29/2020
4023002	4003603	SOX	State Compliance achieved	27-AUG-2020	State	System sampled in 3Q 2020. hpo 10/29/2020
4022997	4003585	SOX	State Compliance achieved	07-FEB-2020	State	System sampled in 2019. hpo 2/14/2020
4022997	4003586	SOX	State Compliance achieved	07-FEB-2020	State	System sampled in 2019. hpo 2/14/2020
4022994	4003600	SOX	State Compliance achieved	06-JUL-2018	State	System collected required routine L&C samples in 2018. hpo 2/13/2019
4022991	4003599	SOX	State Compliance achieved	27-SEP-2017	State	System submitted CCR and cert of delivery 9/27/2017. hpo 10/5/2017
4022988	4003598	SO0	State no longer subject to Rule	30-DEC-2016	State	South well and chlorinator for south well (004) are for emergency use as of 2014, inventory update form submitted 12/30/2016. Schedules closed at EP 004. hpo 1/3/2017
4022986	4003595	SOX	State Compliance achieved	23-SEP-2016	State	-
4022986	4003594	SOX	State Compliance achieved	23-SEP-2016	State	-
4022985	4003593	SOX	State Compliance achieved	07-SEP-2016	State	-
4022976	4003590	SOX	State Compliance achieved	06-JUL-2015	State	system RTC with 6 consecutive months of sampling and no additional violations
4022976	4003592	SOX	State Compliance achieved	06-JUL-2015	State	system RTC with 6 consecutive months of sampling and no additional violations
4022969	4003584	SOX	State Compliance achieved	09-FEB-2015	State	System sampled FLU at 003 8/26/14
4022968	4003514	SOX	State Compliance achieved	18-AUG-2014	State	System sampled NO3 at 004 on 3/20/14.
4022967	4003520	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003521	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003522	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003523	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003524	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003525	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003526	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003527	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003528	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003529	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003530	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003531	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003532	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003533	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003534	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003535	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003536	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003537	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003538	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003539	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003540	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014
4022967	4003541	SOX	State Compliance achieved	09-JUN-2014	State	System sampled at EP004 3/20/2014

1 - 50 of 109

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
SOUTH WELL	1762	Yes	Well	Ground water	Emergency	Active
NORTH WELL	1761	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	6551	No	Distribution System/Zone	-	-	Active
CHLORINATOR FOR NORTH WELL	20312	No	Treatment Plant	-	-	Active
CHLORINATOR FOR SOUTH WELL	20313	No	Treatment Plant	-	-	Active

1 - 5 of 5

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
CHLORINATOR FOR NORTH WELL	20312	Hypochlorination, Post	Disinfection
CHLORINATOR FOR NORTH WELL	20312	Innovative	Disinfection
CHLORINATOR FOR SOUTH WELL	20313	Hypochlorination, Post	Disinfection
CHLORINATOR FOR SOUTH WELL	20313	Innovative	Disinfection

1 - 4 of 4

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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