COSTILLA MDWCA
PWSID: NM3505929 · Costilla, NM · Serves 244 people
According to EPA Safe Drinking Water Information System (SDWIS), COSTILLA MDWCA (PWSID NM3505929) in Costilla, NM is listed as a CWS water system covering about 244 people. The same extract lists 12 health-based violation records spanning 2012-2024. Those 12 health-based rows for COSTILLA MDWCA cover contaminants such as Groundwater Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
COSTILLA MDWCA has 12 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. 2 distinct EPA contaminant codes appear in this system's record, including Groundwater Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2012–2024. 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)
- NM3505929
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Costilla, NM
- Population Served
- 244
- Health Violations
- Yes (12)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 11 | 11 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (12)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Groundwater Rule | Yes | Jul 3, 2024 |
| Groundwater Rule | Yes | Jul 3, 2024 |
| Groundwater Rule | Yes | Jul 3, 2024 |
| Groundwater Rule | Yes | Jul 3, 2024 |
| Groundwater Rule | Yes | Jan 13, 2016 |
| Groundwater Rule | Yes | Jan 13, 2016 |
| Groundwater Rule | Yes | Jan 13, 2016 |
| Groundwater Rule | Yes | Jan 13, 2016 |
| Groundwater Rule | Yes | Jan 13, 2016 |
| Groundwater Rule | Yes | Jan 13, 2013 |
| Groundwater Rule | Yes | Oct 17, 2012 |
Frequently Asked Questions
What does EPA SDWIS list for COSTILLA MDWCA?
How many people does COSTILLA MDWCA serve?
What violations does COSTILLA MDWCA have?
What contaminants have been found in COSTILLA MDWCA water?
Compare beyond New Mexico
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest COSTILLA MDWCA on cumulative violation count (12) and EPA-reported population served (244). Violation-count peers include SAC & FOX (MESKWAKI) IN IOWA, Walker River Paiute Tribe, CRAIG PUBLIC WORKS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
COSTILLA MDWCA (NM3505929) is drawn from EPA SDWIS. Nearby county systems in this extract include TAOS MUNICIPAL WATER SYSTEM; QUESTA WATER SYSTEM; EL PRADO WATER & SANITATION DISTRICT; VILLAGE OF TAOS SKI VALLEY. Health-based rows (12 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.