Community Water System · PWS 063501160
San Felipe Pueblo
Operator location San Felipe Pueblo, EPA Region 6 — Tribal Water Systems - larger served population (> 3,309) at 4,335 people served; 120 SDWIS violations on record from groundwater sources.
- 4,335
- People served (this PWS)
- 120
- EPA violations (this PWS)
- 16
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
San Felipe Pueblo standing, high SDWIS violation third
4,335 people served (SDWIS) - larger served population (> 3,309). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 13% is middle-third health share (≤ 23%). Population rank #8,420 of 29,740 among systems serving 500+.
The verdict
San Felipe Pueblo sits in the upper third of the sitemap cohort by violation count (120), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is large (4,335; larger served population (> 3,309)), so household exposure scale sits behind the violation mix. Health-based share is 13% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #8,420 of 29,740
- Population · /systems
- #15 of 54
- Population · 06
- 120
- Total EPA violations on record
- 13%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
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 |
Violation Count vs. the National Corpus
San Felipe Pueblo has 120 recorded EPA violations, 77% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 23% carry more. 13% of this system's own violations are health-based (16 of 120), and it ranks #8,420 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
120 Higher than most more violations than 77% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
Population served record for San Felipe Pueblo
EPA SDWIS lists 4,335 people served and 691 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS
Nationwide peers
120 violations · 4,335 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems with similar served population
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with San Felipe Pueblo
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in EPA Region 6 — Tribal Water Systems compares on the same EPA violation measures. EPA Region 6 — Tribal Water Systems systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.