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Community Water System · PWS WA5316150

Creston Public Water

Operator location Waverly, Washington - 28% of 174 violations are health-based (upper-third health share (> 23%)); groundwater source; 348 served per SDWIS.

348
People served (this PWS)
174
EPA violations (this PWS)
48
Health-based (this PWS)
Untested
UCMR5 (this PWS)
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Creston Public Water standing, high SDWIS violation third

28% of 174 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 28% is upper-third health share (> 23%).

The verdict

Creston Public Water sits in the upper third of the sitemap cohort by violation count (174), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is smaller (348; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 28% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.

174
Total EPA violations on record
28%
Health-based (MCL / treatment failure)
348
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
Local
Connections
133
County
Lincoln
School/Daycare
No
MCL Violations
48
Monitoring Violations
123
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 35 2016
Coliform (TCR) MCL 13 2006
Coliform (TCR) MR 9 2015
Nitrate MR 6 2018
Pentachlorophenol MR 4 2008
Revised Total Coliform Rule MON 4 2024
cis-1,2-Dichloroethylene MR 3 2017
DICHLOROMETHANE MR 3 2017
p-Dichlorobenzene MR 3 2017
1,1-Dichloroethylene MR 3 2017
trans-1,2-Dichloroethylene MR 3 2017
Carbon tetrachloride MR 3 2017
1,1,2-Trichloroethane MR 3 2017
Tetrachloroethylene MR 3 2017
CHLOROBENZENE MR 3 2017
Toluene MR 3 2017
1,2,4-Trichlorobenzene MR 3 2017
o-Dichlorobenzene MR 3 2017
1,2-Dichloropropane MR 3 2017
Trichloroethylene MR 3 2017
Benzene MR 3 2017
Vinyl chloride MR 3 2017
Ethylbenzene MR 3 2017
Styrene MR 3 2017
1,2-Dichloroethane MR 3 2017
1,1,1-Trichloroethane MR 3 2017
Endrin MR 2 2008
Di(2-ethylhexyl) adipate MR 2 2008
Di(2-ethylhexyl) phthalate MR 2 2008
Hexachlorocyclopentadiene MR 2 2008

Violation Count vs. the National Corpus

Creston Public Water has 174 recorded EPA violations, 83% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 17% carry more. 28% of this system's own violations are health-based (48 of 174), 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)

174 Higher than most more violations than 83% 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

Health-based violations on Creston Public Water

48 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for WA5316150.

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

Nationwide peers

174 violations · 348 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

What to do with Creston Public Water

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