SAN MATEO MDWCA
PWSID: NM3525733 · Milan, NM · Serves 182 people
According to EPA Safe Drinking Water Information System (SDWIS), SAN MATEO MDWCA (PWSID NM3525733) in Milan, NM is listed as a CWS water system covering about 182 people. The same extract lists 4 health-based violation records spanning 2016-2023. Those 4 health-based rows for SAN MATEO MDWCA cover contaminants such as Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
SAN MATEO MDWCA has 4 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Groundwater Rule. Recorded violations span 2016–2023. Day-to-day primacy enforcement for this system runs through the New Mexico drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the New Mexico state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- NM3525733
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Milan, NM
- Population Served
- 182
- Health Violations
- Yes (4)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 4 | 4 |
Violation History (4)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Jun 15, 2023 |
| Groundwater Rule | Yes | Sep 21, 2018 |
| Groundwater Rule | Yes | Sep 21, 2018 |
| Groundwater Rule | Yes | Apr 25, 2016 |
Frequently Asked Questions
What does EPA SDWIS list for SAN MATEO MDWCA?
How many people does SAN MATEO MDWCA serve?
What violations does SAN MATEO MDWCA have?
What contaminants have been found in SAN MATEO MDWCA water?
Compare beyond New Mexico
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SAN MATEO MDWCA on cumulative violation count (4) and EPA-reported population served (182). Violation-count peers include PARSHALL-LUCKY MOUND, FORT HALL, TAHOLAH.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
Explore More
About This Data
SAN MATEO MDWCA (NM3525733) is drawn from EPA SDWIS. Nearby county systems in this extract include GRANTS DOMESTIC WATER SYSTEM; Laguna Valley; MILAN COMMUNITY WATER SYSTEM; Acoma Main. Health-based rows (4 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.