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States → New Mexico

Community Water System · PWS NM3522329

El Salto Mdwca and Sa

El Prado, New Mexico 87529 - drinking water served from groundwater sources to 232 people, tracked in EPA SDWIS and UCMR5.

232
People served
82
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 82 drinking-water violations at El Salto Mdwca and Sa, 6% of them health-based - below the New Mexico per-system average.

82
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
232
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: El Salto Mdwca and Sa

El Salto Mdwca and Sa is a local-owned community water system that delivers drinking water to 232 residents in El Prado, New Mexico (Taos County) through 96 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 82 total violations for this system , of which 5 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 57 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 13 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New Mexico, EPA tracks 1,037 public water systems serving 2,027,497 people, with 154,522 cumulative violations and 38,650 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 149 violations. Statewide, 70 of 72 UCMR5-tested systems have reported PFAS detections (97.2%).

El Salto Mdwca and Sa's 82 violations sit below the New Mexico average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
232
Total Violations
82
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
96
County
Taos
School/Daycare
No
MCL Violations
5
Monitoring Violations
57
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 13 2024
Coliform (TCR) MR 9 2012
Lead and Copper Rule MR 6 2014
Coliform (TCR) MCL 5 2008
Revised Total Coliform Rule MON 4 2016
Barium MR 2 2005
Cadmium MR 2 2005
Chromium MR 2 2005
Selenium MR 2 2005
Mercury MR 2 2005
Arsenic MR 2 2005
Nickel MR 1 2005
Antimony, Total MR 1 2005
Beryllium, Total MR 1 2005
1,2,4-Trichlorobenzene MR 1 2005
cis-1,2-Dichloroethylene MR 1 2005
Xylenes, Total MR 1 2005
o-Dichlorobenzene MR 1 2005
p-Dichlorobenzene MR 1 2005
Vinyl chloride MR 1 2005
1,1-Dichloroethylene MR 1 2005
trans-1,2-Dichloroethylene MR 1 2005
1,1,1-Trichloroethane MR 1 2005
1,1,2-Trichloroethane MR 1 2005
CHLOROBENZENE MR 1 2005
Ethylbenzene MR 1 2005
Public Notice Other 1 2016
Thallium, Total MR 1 2005
1,2-Dichloropropane MR 1 2005
Toluene MR 1 2005

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for El Salto Mdwca and Sa.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NM3522329 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Mexico Drinking Water Authority

New Mexico's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find NM regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Consumer Confidence Rule Other 13 SDWIS / NM3522329 / 7000
2016 Revised Total Coliform Rule MON 4 SDWIS / NM3522329 / 8000
2016 Public Notice Other 1 SDWIS / NM3522329 / 7500
2014 Lead and Copper Rule MR 6 SDWIS / NM3522329 / 5000
2012 Coliform (TCR) MR 9 SDWIS / NM3522329 / 3100
2008 Coliform (TCR) MCL 5 SDWIS / NM3522329 / 3100
2005 Barium MR 2 SDWIS / NM3522329 / 1010
2005 Cadmium MR 2 SDWIS / NM3522329 / 1015
2005 Chromium MR 2 SDWIS / NM3522329 / 1020
2005 Selenium MR 2 SDWIS / NM3522329 / 1045
2005 Mercury MR 2 SDWIS / NM3522329 / 1035
2005 Arsenic MR 2 SDWIS / NM3522329 / 1005
2005 Nickel MR 1 SDWIS / NM3522329 / 1036
2005 Antimony, Total MR 1 SDWIS / NM3522329 / 1074
2005 Beryllium, Total MR 1 SDWIS / NM3522329 / 1075

How El Salto Mdwca and Sa Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric El Salto Mdwca and Sa New Mexico avg Federal benchmark
Total violations 82 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 37.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 97.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 232 1,955 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,037 regulated public water systems in New Mexico.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is El Salto Mdwca and Sa water safe to drink? ▼
El Salto Mdwca and Sa (PWS ID: NM3522329) has 82 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 232 people using Groundwater sources.
How many people does El Salto Mdwca and Sa serve? ▼
El Salto Mdwca and Sa serves 232 people in El Prado, New Mexico. It is a Local-owned system using Groundwater water sources with 96 service connections.
What type of violations does El Salto Mdwca and Sa have? ▼
El Salto Mdwca and Sa has 82 total violations: 5 health-based violations (MCL exceedances or treatment failures), 57 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in El Salto Mdwca and Sa water? ▼
No PFAS testing data is available for El Salto Mdwca and Sa under the EPA's UCMR5 monitoring program.
What water source does El Salto Mdwca and Sa use? ▼
El Salto Mdwca and Sa uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.