Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	CO0153200
PWS Name	DEL NORTE TOWN OF
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	1429
County Served	Rio Grande

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	4015697	Open	19-SEP-2025	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4015699	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	4015698	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4015693	Returned to Compliance	21-MAR-2024	-	No
Other	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	4015692	Returned to Compliance	20-NOV-2023	-	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4015684	Returned to Compliance	05-APR-2020	-	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4015682	Returned to Compliance	05-JAN-2020	-	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4015683	Returned to Compliance	06-DEC-2019	-	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4015681	Returned to Compliance	05-OCT-2019	-	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4015680	Returned to Compliance	05-JUL-2019	-	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4015679	Returned to Compliance	05-APR-2019	-	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4015678	Returned to Compliance	05-JAN-2019	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	4015674	Returned to Compliance	01-JAN-2018	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4015673	Returned to Compliance	16-JUN-2016	-	No
TT	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Stage 1 Disinfectants and Disinfection Byproducts Rule	4015672	Returned to Compliance	01-APR-2016	-	Yes
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	4015669	Returned to Compliance	01-JAN-2014	31-DEC-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4015670	Returned to Compliance	01-JAN-2014	31-DEC-2014	No
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	4015666	Returned to Compliance	01-NOV-2013	30-NOV-2013	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	4015668	Returned to Compliance	01-NOV-2013	30-NOV-2013	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4015665	Returned to Compliance	01-OCT-2012	-	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	4015664	Returned to Compliance	01-JAN-2009	31-DEC-2009	No
MR	Monitoring, Routine (IDSE)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Stage 2 Disinfectants and Disinfection Byproducts Rule	4015662	Returned to Compliance	01-APR-2008	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4015407	Returned to Compliance	01-JUL-2007	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4015507	Returned to Compliance	01-APR-2007	30-JUN-2007	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	4015607	Returned to Compliance	01-APR-2007	30-JUN-2007	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4015307	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	4014007	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	4014907	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	4014507	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	4015207	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	4014307	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	4014207	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	4014107	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	4015007	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	4015107	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	4014407	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	4014807	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	4014607	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	4015632	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	4015631	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endrin	4015630	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	ETHYLENE DIBROMIDE	4015659	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	1,2-DIBROMO-3-CHLOROPROPANE	4015658	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	4015629	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	4015628	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	4015627	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	4015626	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	4015625	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	4015624	Returned to Compliance	01-JAN-2005	31-DEC-2007	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	4015623	Returned to Compliance	01-JAN-2005	31-DEC-2007	No

1 - 50 of 95

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
4039814	4015698	SIE	State Public Notification requested	27-OCT-2025	State	-
4039814	4015699	SIE	State Public Notification requested	27-OCT-2025	State	-
4039812	4015697	SIA	State Violation/Reminder Notice	21-OCT-2025	State	-
4039804	4015693	SOX	State Compliance achieved	13-MAY-2024	State	-
4039772	4015684	SOX	State Compliance achieved	06-DEC-2023	State	-
4039772	4015683	SOX	State Compliance achieved	06-DEC-2023	State	-
4039772	4015682	SOX	State Compliance achieved	06-DEC-2023	State	-
4039772	4015681	SOX	State Compliance achieved	06-DEC-2023	State	-
4039772	4015680	SOX	State Compliance achieved	06-DEC-2023	State	-
4039772	4015679	SOX	State Compliance achieved	06-DEC-2023	State	-
4039792	4015692	SOX	State Compliance achieved	20-NOV-2023	State	-
4039770	4015678	SOX	State Compliance achieved	19-APR-2022	State	-
4039757	4015674	SOX	State Compliance achieved	30-JAN-2018	State	Public notified 9/12/17. Submitted cert 1/30/2018
4039754	4015673	SOX	State Compliance achieved	02-AUG-2016	State	-
4039753	4015672	SIF	State Public Notification received	02-AUG-2016	State	-
4039743	4015670	SOX	State Compliance achieved	11-SEP-2015	State	-
4039743	4015669	SOX	State Compliance achieved	11-SEP-2015	State	-
4039739	4015668	SOX	State Compliance achieved	21-MAY-2014	State	RTC after six months (Dec13-May14) of monitoring with no additional MCL or M&R violations occurred.
4039739	4015666	SOX	State Compliance achieved	21-MAY-2014	State	RTC after six months (Dec13-May14) of monitoring with no additional MCL or M&R violations occurred.
4039738	4015665	SOX	State Compliance achieved	21-MAY-2014	State	Acheived RTC by sampling and reporting in July 2013. 05212014 ttj
4039726	4015650	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015651	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015652	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015653	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015654	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015655	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015656	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015657	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015658	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015659	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015660	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015609	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015610	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015611	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015612	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015613	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015614	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015615	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015616	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015617	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015618	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015619	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015620	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015621	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015622	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015623	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015624	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015625	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015626	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.
4039726	4015627	SOX	State Compliance achieved	10-JUN-2010	State	2008 sample was coded incorrectly, EP changed to be complaint for 2008-2010 period.

1 - 50 of 95

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
PINOS CREEK INTERIM USE	507	Yes	Intake	Surface water	Other	Inactive
NORTH WELL	509	Yes	Well	Ground water	Permanent	Active
SOUTH WELL	3164	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	7178	No	Distribution System/Zone	-	-	Active
LOWER RESERVOIR	18545	No	Storage	-	-	Active
UPPER RESERVOIR	18546	No	Storage	-	-	Active
LOWER RESERVOIR PUMP VAULT	24530	No	Storage	-	-	Active
PIPELINE 004 AND 005	12644	No	Transmission Main (Manifold)	-	-	Inactive
CHLORINATOR FOR NORTH WELL	4414	No	Treatment Plant	-	-	Active
CHLORINATOR FOR SOUTH WELL	4415	No	Treatment Plant	-	-	Active
DEL NORTE WTP	4413	No	Treatment Plant	-	-	Inactive

1 - 11 of 11

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
CHLORINATOR FOR NORTH WELL	4414	Hypochlorination, Post	Disinfection
CHLORINATOR FOR NORTH WELL	4414	Innovative	Disinfection
CHLORINATOR FOR SOUTH WELL	4415	Hypochlorination, Post	Disinfection

1 - 3 of 3

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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