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Community Water System · PWS 063501160

San Felipe Pueblo

San Felipe Pueblo, EPA Region 6 — Tribal Water Systems 87001 - drinking water served from groundwater sources to 4,335 people, tracked in EPA SDWIS and UCMR5.

4,335
People served
120
EPA violations
16
Health-based
Untested
UCMR5 result

The verdict

EPA records 120 drinking-water violations at San Felipe Pueblo, 13% of them health-based.

120
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
4,335
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: San Felipe Pueblo

San Felipe Pueblo is a native american-owned community water system that delivers drinking water to 4,335 residents in San Felipe Pueblo, EPA Region 6 — Tribal Water Systems through 691 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 120 total violations for this system , of which 16 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 85 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 40 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 6 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

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
4,335
Total Violations
120
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
691
School/Daycare
No
MCL Violations
14
Monitoring Violations
85
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 40 2008
Coliform (TCR) MCL 14 2007
Consumer Confidence Rule Other 7 2005
Arsenic MR 3 2014
Nitrate-Nitrite MR 3 2014
Cadmium MR 3 2014
Chromium MR 3 2014
CYANIDE MR 3 2014
Mercury MR 3 2014
Nickel MR 3 2014
Antimony, Total MR 3 2014
Beryllium, Total MR 3 2014
Thallium, Total MR 3 2014
Selenium MR 3 2014
Fluoride MR 3 2014
Barium MR 3 2014
TTHM MR 2 2008
Total Haloacetic Acids (HAA5) MR 2 2008
Groundwater Rule TT 2 2016
Revised Total Coliform Rule MON 2 2020

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 San Felipe Pueblo.

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 063501160 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 6 — Tribal Water Systems Drinking Water Authority

EPA Region 6 — Tribal Water Systems'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 06 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
2020 Revised Total Coliform Rule MON 2 SDWIS / 063501160 / 8000
2016 Groundwater Rule TT 2 SDWIS / 063501160 / 0700
2014 Arsenic MR 3 SDWIS / 063501160 / 1005
2014 Nitrate-Nitrite MR 3 SDWIS / 063501160 / 1038
2014 Cadmium MR 3 SDWIS / 063501160 / 1015
2014 Chromium MR 3 SDWIS / 063501160 / 1020
2014 CYANIDE MR 3 SDWIS / 063501160 / 1024
2014 Mercury MR 3 SDWIS / 063501160 / 1035
2014 Nickel MR 3 SDWIS / 063501160 / 1036
2014 Antimony, Total MR 3 SDWIS / 063501160 / 1074
2014 Beryllium, Total MR 3 SDWIS / 063501160 / 1075
2014 Thallium, Total MR 3 SDWIS / 063501160 / 1085
2014 Selenium MR 3 SDWIS / 063501160 / 1045
2014 Fluoride MR 3 SDWIS / 063501160 / 1025
2014 Barium MR 3 SDWIS / 063501160 / 1010

How San Felipe Pueblo Compares

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

Metric San Felipe Pueblo EPA Region 6 — Tribal Water Systems avg Federal benchmark
Total violations 120 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 16 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 4,335 - Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 6 — Tribal Water Systems.

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 San Felipe Pueblo water safe to drink? ▼
San Felipe Pueblo (PWS ID: 063501160) has 120 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,335 people using Groundwater sources.
How many people does San Felipe Pueblo serve? ▼
San Felipe Pueblo serves 4,335 people in San Felipe Pueblo, EPA Region 6 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 691 service connections.
What type of violations does San Felipe Pueblo have? ▼
San Felipe Pueblo has 120 total violations: 16 health-based violations (MCL exceedances or treatment failures), 85 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in San Felipe Pueblo water? ▼
No PFAS testing data is available for San Felipe Pueblo under the EPA's UCMR5 monitoring program.
What water source does San Felipe Pueblo use? ▼
San Felipe Pueblo 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.