PlainWater

CASA SAN YSIDRO

PWS ID: NM3582523 · ALBUQUERQUE, New Mexico 87104

CASA SAN YSIDRO serves 25 people in ALBUQUERQUE, New Mexico using Groundwater water sources. It has 209 recorded EPA violations, including 24 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CASA SAN YSIDRO

CASA SAN YSIDRO is a local-owned transient non-community water system that delivers drinking water to 25 residents in ALBUQUERQUE, New Mexico (Sandoval County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 209 total violations for this system , of which 24 (11%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 135 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 69 violations (MON). 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. CASA SAN YSIDRO's 209 violations sit above the New Mexico average. Statewide, 70 of 72 UCMR5-tested systems have reported PFAS detections (97.2%). 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
25
Total Violations
209
Health-Based Violations
24
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Local
Connections
2
County
Sandoval
School/Daycare
No
MCL Violations
0
Monitoring Violations
135
Treatment Tech Violations
24

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 69 2021
Coliform (TCR) MR 60 2015
Public Notice Other 37 2023
Groundwater Rule TT 20 2019
Revised Total Coliform Rule TT 4 2019
Revised Total Coliform Rule Other 4 2016
Nitrate-Nitrite MR 3 2010
E. COLI MR 3 2012
Coliform (TCR) Other 2 2002

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 CASA SAN YSIDRO.

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 NM3582523 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
2023 Public Notice Other 37 SDWIS / NM3582523 / 7500
2021 Revised Total Coliform Rule MON 69 SDWIS / NM3582523 / 8000
2019 Groundwater Rule TT 20 SDWIS / NM3582523 / 0700
2019 Revised Total Coliform Rule TT 4 SDWIS / NM3582523 / 8000
2016 Revised Total Coliform Rule Other 4 SDWIS / NM3582523 / 8000
2015 Coliform (TCR) MR 60 SDWIS / NM3582523 / 3100
2012 E. COLI MR 3 SDWIS / NM3582523 / 3014
2010 Nitrate-Nitrite MR 3 SDWIS / NM3582523 / 1038
2002 Coliform (TCR) Other 2 SDWIS / NM3582523 / 3100

How CASA SAN YSIDRO Compares

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

Metric CASA SAN YSIDRO New Mexico avg Federal benchmark
Total violations 209 149 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 24 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 25 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CASA SAN YSIDRO water safe to drink?
CASA SAN YSIDRO (PWS ID: NM3582523) has 209 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Groundwater sources.
How many people does CASA SAN YSIDRO serve?
CASA SAN YSIDRO serves 25 people in ALBUQUERQUE, New Mexico. It is a Local-owned system using Groundwater water sources with 2 service connections.
What type of violations does CASA SAN YSIDRO have?
CASA SAN YSIDRO has 209 total violations: 24 health-based violations (MCL exceedances or treatment failures), 135 monitoring/reporting violations, and 24 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CASA SAN YSIDRO water?
No PFAS testing data is available for CASA SAN YSIDRO under the EPA's UCMR5 monitoring program.
What water source does CASA SAN YSIDRO use?
CASA SAN YSIDRO uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial