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Community Water System · PWS WA5326911

Wildes Grove Community Water Sys

Operator location Coupeville, Washington - smaller served population (≤ 999) at 33 people served; 23 SDWIS violations on record from groundwater sources.

33
People served (this PWS)
23
EPA violations (this PWS)
2
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Wildes Grove Community Water Sys standing, mid SDWIS violation third

33 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 9% is middle-third health share (≤ 23%).

The verdict

Wildes Grove Community Water Sys lands in the middle third by violation volume (23), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (33; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 9% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

23
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
33
People served by this PWS (SDWIS)
N/A
PFAS compounds detected (UCMR5)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

System Details

System Type
Community
Owner Type
Private
Connections
12
County
Island
School/Daycare
No
MCL Violations
2
Monitoring Violations
21
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 2 2005
1,2,4-Trichlorobenzene MR 1 2025
cis-1,2-Dichloroethylene MR 1 2025
DICHLOROMETHANE MR 1 2025
o-Dichlorobenzene MR 1 2025
Vinyl chloride MR 1 2025
1,1-Dichloroethylene MR 1 2025
Carbon tetrachloride MR 1 2025
Trichloroethylene MR 1 2025
Tetrachloroethylene MR 1 2025
CHLOROBENZENE MR 1 2025
Benzene MR 1 2025
Lead and Copper Rule MR 1 2022
1,2-Dichloroethane MR 1 2025
Toluene MR 1 2025
1,1,2-Trichloroethane MR 1 2025
1,2-Dichloropropane MR 1 2025
1,1,1-Trichloroethane MR 1 2025
p-Dichlorobenzene MR 1 2025
Ethylbenzene MR 1 2025
Styrene MR 1 2025
trans-1,2-Dichloroethylene MR 1 2025

Violation Count vs. the National Corpus

Wildes Grove Community Water Sys has 23 recorded EPA violations, 35% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 64% carry more. 9% of this system's own violations are health-based (2 of 23), and it ranks unranked by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

23 Lower than most fewer violations than 64% 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 Wildes Grove Community Water Sys

EPA SDWIS lists 33 people served and 12 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.

Sources: EPA SDWIS · Washington State Department of Health, Office of Drinking Water

Nationwide peers

23 violations · 33 served: nearest cross-state SDWIS matches.

What to do with Wildes Grove Community Water Sys

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

  • See how every tracked system in Washington compares on the same EPA violation measures. Washington 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.

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