SAN JON WATER SUPPLY

New Mexico — Community Water System — PWSID: NM3527920

System Information

PWSID	NM3527920
System Name	SAN JON WATER SUPPLY
System Type	Community Water System
Water Source	Ground Water Purchased
Activity Status	Active
Owner Type	Local
EPA Region	06
Serves School	No
Wholesaler	No
First Reported	Mar 12, 1980
Last Reported	Dec 3, 2025

Location & Contact

State	New Mexico
City	SAN JON
ZIP Code	88434
Address	—
Organization	LANE, WADE
Phone	575-403-9191

Population & Service

Population Served	360
Service Connections	158

Drinking Water Violations (105)

This water system has 105 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Contaminant	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Apr 29, 2005	—	Public Notice	Other	No	No	—	—	—	Resolved	Oct 22, 2010	Public Notice Rule and Revised PN Rule
Jul 1, 2004	Sep 30, 2004	Fluoride	MCL	Yes	No	4.04	4.0 mg/L	—	Resolved	Sep 30, 2004	Inorganic Chemicals
Jul 1, 2004	Sep 30, 2004	Fluoride	MCL	Yes	No	4.04	4.0 mg/L	—	Resolved	Sep 30, 2004	Inorganic Chemicals
Jul 1, 2004	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Feb 27, 2006	Consumer Confidence Rule
Jul 1, 2004	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Feb 27, 2006	Consumer Confidence Rule
Jul 1, 2004	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Feb 27, 2006	Consumer Confidence Rule
Jul 1, 2004	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Feb 27, 2006	Consumer Confidence Rule
Jul 1, 2004	Sep 30, 2004	Fluoride	MCL	Yes	No	4.04	4.0 mg/L	—	Resolved	Sep 30, 2004	Inorganic Chemicals
Jul 1, 2004	Sep 30, 2004	Fluoride	MCL	Yes	No	4.04	4.0 mg/L	—	Resolved	Sep 30, 2004	Inorganic Chemicals
Apr 1, 2004	Jun 30, 2004	Fluoride	MCL	Yes	No	3.89	4.0 mg/L	—	Resolved	Jun 30, 2004	Inorganic Chemicals
Apr 1, 2004	Jun 30, 2004	Fluoride	MCL	Yes	No	3.89	4.0 mg/L	—	Resolved	Jun 30, 2004	Inorganic Chemicals
Apr 1, 2004	Jun 30, 2004	Fluoride	MCL	Yes	No	3.89	4.0 mg/L	—	Resolved	Jun 30, 2004	Inorganic Chemicals
Apr 1, 2004	Jun 30, 2004	Fluoride	MCL	Yes	No	3.89	4.0 mg/L	—	Resolved	Jun 30, 2004	Inorganic Chemicals
Apr 1, 2004	Jun 30, 2004	Fluoride	MCL	Yes	No	3.89	4.0 mg/L	—	Resolved	Jun 30, 2004	Inorganic Chemicals
Oct 1, 2003	Dec 31, 2003	Fluoride	MCL	Yes	No	3.49	4.0 mg/L	—	Resolved	Dec 31, 2003	Inorganic Chemicals
Oct 1, 2003	Dec 31, 2003	Fluoride	MCL	Yes	No	3.49	4.0 mg/L	—	Resolved	Dec 31, 2003	Inorganic Chemicals
Oct 1, 2003	Dec 31, 2003	Fluoride	MCL	Yes	No	3.49	4.0 mg/L	—	Resolved	Dec 31, 2003	Inorganic Chemicals
Jul 1, 2003	Sep 30, 2003	Fluoride	MCL	Yes	No	3.165	4.0 mg/L	—	Resolved	Sep 30, 2003	Inorganic Chemicals
Jul 1, 2003	Sep 30, 2003	Fluoride	MCL	Yes	No	3.165	4.0 mg/L	—	Resolved	Sep 30, 2003	Inorganic Chemicals
Jul 1, 2003	Sep 30, 2003	Fluoride	MCL	Yes	No	3.165	4.0 mg/L	—	Resolved	Sep 30, 2003	Inorganic Chemicals
Jul 1, 2003	Sep 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2003	Total Coliform Rule
Jul 1, 2003	Sep 30, 2003	Fluoride	MCL	Yes	No	3.165	4.0 mg/L	—	Resolved	Sep 30, 2003	Inorganic Chemicals
Apr 1, 2003	Jun 30, 2003	Fluoride	MCL	Yes	No	3.165	4.0 mg/L	—	Resolved	Jun 30, 2003	Inorganic Chemicals
Apr 1, 2003	Jun 30, 2003	Fluoride	MCL	Yes	No	3.165	4.0 mg/L	—	Resolved	Jun 30, 2003	Inorganic Chemicals
Apr 1, 2003	Jun 30, 2003	Fluoride	MCL	Yes	No	3.165	4.0 mg/L	—	Resolved	Jun 30, 2003	Inorganic Chemicals
Apr 1, 2003	Jun 30, 2003	Fluoride	MCL	Yes	No	3.165	4.0 mg/L	—	Resolved	Jun 30, 2003	Inorganic Chemicals
Apr 1, 2003	Jun 30, 2003	Fluoride	MCL	Yes	No	3.165	4.0 mg/L	—	Resolved	Jun 30, 2003	Inorganic Chemicals
Jan 1, 2003	Mar 31, 2003	Fluoride	MCL	Yes	No	2.84	4.0 mg/L	—	Resolved	Mar 31, 2003	Inorganic Chemicals
Jan 1, 2003	Mar 31, 2003	Fluoride	MCL	Yes	No	2.84	4.0 mg/L	—	Resolved	Mar 31, 2003	Inorganic Chemicals
Jan 1, 2003	Mar 31, 2003	Fluoride	MCL	Yes	No	2.84	4.0 mg/L	—	Resolved	Mar 31, 2003	Inorganic Chemicals
Oct 1, 2002	Dec 31, 2002	Fluoride	MCL	Yes	No	3.42	4.0 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Oct 1, 2002	Dec 31, 2002	Fluoride	MCL	Yes	No	3.42	4.0 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Oct 1, 2002	Dec 31, 2002	Fluoride	MCL	Yes	No	3.42	4.0 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jul 1, 2002	Sep 30, 2002	Fluoride	MCL	Yes	No	3.5	4.0 mg/L	—	Resolved	Sep 30, 2002	Inorganic Chemicals
Jul 1, 2002	Sep 30, 2002	Fluoride	MCL	Yes	No	3.5	4.0 mg/L	—	Resolved	Sep 30, 2002	Inorganic Chemicals
Jul 1, 2002	Sep 30, 2002	Fluoride	MCL	Yes	No	3.5	4.0 mg/L	—	Resolved	Sep 30, 2002	Inorganic Chemicals
Jul 1, 2002	Sep 30, 2002	Fluoride	MCL	Yes	No	3.5	4.0 mg/L	—	Resolved	Sep 30, 2002	Inorganic Chemicals
Apr 1, 2002	Jun 30, 2002	Fluoride	MCL	Yes	No	3.97	4.0 mg/L	—	Resolved	Jun 30, 2002	Inorganic Chemicals
Apr 1, 2002	Jun 30, 2002	Fluoride	MCL	Yes	No	3.97	4.0 mg/L	—	Resolved	Jun 30, 2002	Inorganic Chemicals
Apr 1, 2002	Jun 30, 2002	Fluoride	MCL	Yes	No	3.97	4.0 mg/L	—	Resolved	Jun 30, 2002	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2010	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2002	Fluoride	MCL	Yes	No	4.07	4.0 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2002	Fluoride	MCL	Yes	No	4.07	4.0 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2002	Fluoride	MCL	Yes	No	4.07	4.0 mg/L	—	Resolved	Dec 31, 2002	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Radium-228	MR	No	No	—	—	—	Resolved	Dec 31, 2004	Radionuclides and Revised Rad Rule
Jan 1, 2002	Dec 31, 2004	Radium-228	MR	No	No	—	—	—	Resolved	Dec 31, 2004	Radionuclides and Revised Rad Rule
Jan 1, 2002	Dec 31, 2004	Radium-228	MR	No	No	—	—	—	Resolved	Dec 31, 2004	Radionuclides and Revised Rad Rule
Jan 1, 2002	Dec 31, 2004	Radium-228	MR	No	No	—	—	—	Resolved	Dec 31, 2004	Radionuclides and Revised Rad Rule
Jan 1, 2002	Dec 31, 2004	Radium-226	MR	No	No	—	—	—	Resolved	Dec 31, 2004	Radionuclides and Revised Rad Rule
Jan 1, 2002	Dec 31, 2004	Gross Beta Particle Activity	MR	No	No	—	4 mrem/yr	—	Resolved	Dec 31, 2004	Radionuclides and Revised Rad Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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