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Community Water System · PWS 090400108

Peach Springs

Operator location Peach Springs, EPA Region 9 — Tribal Water Systems - upper-third violation load (> 74 violations) with 403 EPA violations; groundwater source; 1,865 served (PWS-level, not municipal population).

1,865
People served (this PWS)
403
EPA violations (this PWS)
26
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Peach Springs standing, high SDWIS violation third

403 EPA SDWIS violations on record - upper-third violation load (> 74 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 6% is middle-third health share (≤ 23%). Population rank #14,163 of 29,740 among systems serving 500+.

The verdict

Peach Springs sits in the upper third of the sitemap cohort by violation count (403), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,865 (mid served population (≤ 3,309)). Health-based share is 6% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#14,163 of 29,740
Population · /systems
#66 of 129
Population · 09
403
Total EPA violations on record
6%
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
448
School/Daycare
No
MCL Violations
26
Monitoring Violations
284
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 128 2010
Coliform (TCR) MCL 26 2011
Nitrate MR 16 2021
Gross Alpha, Excl. Radon and U MR 16 2009
Combined Uranium MR 16 2009
Combined Radium (-226 and -228) MR 16 2009
Consumer Confidence Rule Other 12 2011
Total Haloacetic Acids (HAA5) MR 7 2021
TTHM MR 7 2021
CYANIDE MR 4 2004
Antimony, Total MR 4 2004
Beryllium, Total MR 4 2004
Thallium, Total MR 4 2004
Selenium MR 2 2004
cis-1,2-Dichloroethylene MR 2 2004
Xylenes, Total MR 2 2004
1,1-Dichloroethylene MR 2 2004
trans-1,2-Dichloroethylene MR 2 2004
1,2-Dichloroethane MR 2 2004
1,1,1-Trichloroethane MR 2 2004
Trichloroethylene MR 2 2004
Tetrachloroethylene MR 2 2004
Toluene MR 2 2004
Ethylbenzene MR 2 2004
DICHLOROMETHANE MR 2 2004
Mercury MR 2 2004
p-Dichlorobenzene MR 2 2004
1,1,2-Trichloroethane MR 2 2004
Vinyl chloride MR 2 2004
Styrene MR 2 2004

Violation Count vs. the National Corpus

Peach Springs has 403 recorded EPA violations, 94% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 6% carry more. 6% of this system's own violations are health-based (26 of 403), and it ranks #14,163 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)

403 Higher than most more violations than 94% 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

SDWIS compliance record for Peach Springs

403 violations on record for 090400108; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.

Sources: EPA SDWIS

Nationwide peers

403 violations · 1,865 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.

4 peers

Cross-state systems near this population served

Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).

4 peers

What to do with Peach Springs

Use this system's EPA-reported record as a starting filter, not a final verdict.

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

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