Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	NM3501421
PWS Name	DIXON MDWCA
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	500
County Served	Rio Arriba

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	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	74340	Returned to Compliance	01-JUL-2025	-	No
RPT	LSL Reporting	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	74338	Returned to Compliance	17-OCT-2024	-	No
TT	LSL Inventory	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	74339	Returned to Compliance	17-OCT-2024	-	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	74337	Returned to Compliance	01-OCT-2024	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	74334	Returned to Compliance	01-JUL-2020	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	74332	Returned to Compliance	18-MAR-2018	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	74331	Returned to Compliance	08-OCT-2017	-	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	74320	Returned to Compliance	01-SEP-2016	30-SEP-2016	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	74321	Returned to Compliance	01-AUG-2016	31-AUG-2016	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	74322	Returned to Compliance	01-JUL-2016	31-JUL-2016	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	74315	Returned to Compliance	01-JUL-2016	-	No
Other	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	74319	Returned to Compliance	02-JUN-2016	-	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	74323	Returned to Compliance	01-JUN-2016	30-JUN-2016	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	74341	Returned to Compliance	01-JUL-2015	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	74324	Returned to Compliance	01-OCT-2014	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	74311	Returned to Compliance	01-APR-2012	30-JUN-2012	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	74310	Returned to Compliance	01-JAN-2012	31-MAR-2012	No
TT	Failure To Address Deficiency	Ground Water Rule	Groundwater Rule	74313	Returned to Compliance	24-DEC-2011	-	Yes
TT	Failure To Address Deficiency	Ground Water Rule	Groundwater Rule	74312	Returned to Compliance	24-DEC-2011	-	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	74336	Returned to Compliance	01-OCT-2010	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	74305	Returned to Compliance	01-JUL-2007	-	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate-Nitrite	74309	Returned to Compliance	01-JAN-2006	31-DEC-2006	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	74307	Returned to Compliance	02-OCT-2005	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	74306	Returned to Compliance	01-JUL-2005	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	74304	Returned to Compliance	01-JUL-2004	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	74502	Returned to Compliance	01-JUL-2002	09-JUL-2003	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	56800	Returned to Compliance	01-JAN-2000	31-DEC-2000	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	104	Returned to Compliance	19-OCT-1999	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1V00	Returned to Compliance	19-OCT-1999	29-JUN-2000	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	60899	Returned to Compliance	01-JAN-1999	31-DEC-1999	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	2597	Returned to Compliance	01-NOV-1996	30-NOV-1996	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	74294	Returned to Compliance	01-AUG-1994	31-AUG-1994	No

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Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
102285	74340	SOX	State Compliance achieved	17-DEC-2025	State	-
102285	74337	SOX	State Compliance achieved	17-DEC-2025	State	-
102281	74339	SOX	State Compliance achieved	04-SEP-2025	State	-
102282	74338	SOX	State Compliance achieved	04-SEP-2025	State	-
102268	74331	SOX	State Compliance achieved	14-JAN-2021	State	"This PN violation is being returned to compliance based on the fact that the underlying violation is greater than a year old and the underlying violation has been resolved by the water system. This is being done as per NMED-DWB Staff Guidance titled "Public Notice Violation Resolving Action Code Guidance"
102267	74334	SOX	State Compliance achieved	14-JUL-2020	State	-
102264	74332	SOX	State Compliance achieved	10-JUN-2018	State	-
102258	74324	SIF	State Public Notification received	31-MAY-2018	State	-
102244	74323	SIF	State Public Notification received	25-OCT-2016	State	-
102246	74321	SIF	State Public Notification received	25-OCT-2016	State	-
102247	74320	SIF	State Public Notification received	25-OCT-2016	State	-
102245	74322	SIF	State Public Notification received	25-OCT-2016	State	-
102242	74319	SOX	State Compliance achieved	12-OCT-2016	State	-
102227	74315	SOX	State Compliance achieved	03-AUG-2016	State	-
102284	74341	SOX	State Compliance achieved	04-JUL-2016	State	-
102225	74312	SOX	State Compliance achieved	11-MAR-2013	State	-
102224	74313	SOX	State Compliance achieved	11-MAR-2013	State	-
102220	74310	SOX	State Compliance achieved	26-SEP-2012	State	-
102220	74311	SOX	State Compliance achieved	26-SEP-2012	State	-
102272	74336	SOX	State Compliance achieved	11-SEP-2011	State	-
102212	74309	SIE	State Public Notification requested	01-DEC-2010	State	-
102210	74307	SOX	State Compliance achieved	06-NOV-2010	State	-
102207	74305	SOX	State Compliance achieved	09-SEP-2008	State	-
102207	74306	SOX	State Compliance achieved	09-SEP-2008	State	-
102206	56800	SOX	State Compliance achieved	25-APR-2007	State	System has returned to compliance as of March of 2001. System only has one active well (Well #3) .
102206	60899	SOX	State Compliance achieved	25-APR-2007	State	System has returned to compliance as of March of 2001. System only has one active well (Well #3) .
102271	74294	SOX	State Compliance achieved	22-OCT-2004	State	-
102270	2597	SOX	State Compliance achieved	22-OCT-2004	State	-
102205	74304	SOX	State Compliance achieved	21-OCT-2004	State	-
9999905	74502	EOX	Federal Compliance achieved	09-JUL-2003	ODSWeb	-
9102305	1V00	EOX	Federal Compliance achieved	29-JUN-2000	ODSWeb	-
100	104	SOX	State Compliance achieved	19-JUN-2000	State	-

1 - 32 of 32

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL #3	1869	Yes	Well	Ground water	Permanent	Active
WELL #2	1870	Yes	Well	Ground water	Permanent	Inactive
WELL #1	1868	Yes	Well	Ground water	Permanent	Inactive
DIST	5239	No	Distribution System/Zone	-	-	Active
STORAGE TANK #3	12464	No	Storage	-	-	Active
STORAGE TANK #4	12465	No	Storage	-	-	Active
STORAGE TANK #3	89	No	Storage	-	-	Inactive
STORAGE TANK #4	90	No	Storage	-	-	Inactive
TREATMENT PLANT #1	1115	No	Treatment Plant	-	-	Inactive

1 - 9 of 9

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT PLANT #1	1115	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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