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CRESTON PUBLIC WATER

PWS ID: WA5316150 · Waverly, Washington 99039

CRESTON PUBLIC WATER serves 348 people in Waverly, Washington using Groundwater water sources. It has 174 recorded EPA violations, including 48 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CRESTON PUBLIC WATER

CRESTON PUBLIC WATER is a local-owned community water system that delivers drinking water to 348 residents in Waverly, Washington (Lincoln County) through 133 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 174 total violations for this system , of which 48 (28%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 123 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Nitrate, recorded in 35 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Washington, EPA tracks 4,557 public water systems serving 9,736,844 people, with 314,648 cumulative violations and 20,590 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. CRESTON PUBLIC WATER's 174 violations sit above the Washington average. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%). 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
348
Total Violations
174
Health-Based Violations
48
Water Source
Groundwater

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

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 CRESTON PUBLIC WATER.

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 WA5316150 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Washington Drinking Water Authority

Washington State Department of Health — Office of Drinking Water is the primacy agency that licenses and inspects CRESTON PUBLIC WATER under EPA-delegated authority.

Open WA regulator portal

Source: Washington State Department of Health — Office of Drinking Water

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
2024 Revised Total Coliform Rule MON 4 SDWIS / WA5316150 / 8000
2018 Nitrate MR 6 SDWIS / WA5316150 / 1040
2017 cis-1,2-Dichloroethylene MR 3 SDWIS / WA5316150 / 2380
2017 DICHLOROMETHANE MR 3 SDWIS / WA5316150 / 2964
2017 p-Dichlorobenzene MR 3 SDWIS / WA5316150 / 2969
2017 1,1-Dichloroethylene MR 3 SDWIS / WA5316150 / 2977
2017 trans-1,2-Dichloroethylene MR 3 SDWIS / WA5316150 / 2979
2017 Carbon tetrachloride MR 3 SDWIS / WA5316150 / 2982
2017 1,1,2-Trichloroethane MR 3 SDWIS / WA5316150 / 2985
2017 Tetrachloroethylene MR 3 SDWIS / WA5316150 / 2987
2017 CHLOROBENZENE MR 3 SDWIS / WA5316150 / 2989
2017 Toluene MR 3 SDWIS / WA5316150 / 2991
2017 1,2,4-Trichlorobenzene MR 3 SDWIS / WA5316150 / 2378
2017 o-Dichlorobenzene MR 3 SDWIS / WA5316150 / 2968
2017 1,2-Dichloropropane MR 3 SDWIS / WA5316150 / 2983

How CRESTON PUBLIC WATER Compares

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

Metric CRESTON PUBLIC WATER Washington avg Federal benchmark
Total violations 174 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 48 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 348 2,137 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,557 regulated public water systems in Washington.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CRESTON PUBLIC WATER water safe to drink?
CRESTON PUBLIC WATER (PWS ID: WA5316150) has 174 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 348 people using Groundwater sources.
How many people does CRESTON PUBLIC WATER serve?
CRESTON PUBLIC WATER serves 348 people in Waverly, Washington. It is a Local-owned system using Groundwater water sources with 133 service connections.
What type of violations does CRESTON PUBLIC WATER have?
CRESTON PUBLIC WATER has 174 total violations: 48 health-based violations (MCL exceedances or treatment failures), 123 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CRESTON PUBLIC WATER water?
No PFAS testing data is available for CRESTON PUBLIC WATER under the EPA's UCMR5 monitoring program.
What water source does CRESTON PUBLIC WATER use?
CRESTON PUBLIC WATER 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial