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WARNER FLATS DOMESTIC WATER CO INC

PWS ID: WA5306073 · Cashmere, Washington 98815

WARNER FLATS DOMESTIC WATER CO INC serves 100 people in Cashmere, Washington using Surface Water water sources. It has 44 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WARNER FLATS DOMESTIC WATER CO INC

WARNER FLATS DOMESTIC WATER CO INC is a private-owned community water system that delivers drinking water to 100 residents in Cashmere, Washington (Chelan County) through 34 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 44 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 39 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 23 violations (MR). 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. WARNER FLATS DOMESTIC WATER CO INC's 44 violations sit below 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
100
Total Violations
44
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
34
County
Chelan
School/Daycare
No
MCL Violations
0
Monitoring Violations
39
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 23 2021
Coliform (TCR) MR 9 2015
Revised Total Coliform Rule MON 5 2023
Consumer Confidence Rule Other 4 2013
Total Haloacetic Acids (HAA5) MR 1 2015
TTHM MR 1 2015

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 WARNER FLATS DOMESTIC WATER CO INC.

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 WA5306073 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 WARNER FLATS DOMESTIC WATER CO INC 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
2023 Revised Total Coliform Rule MON 5 SDWIS / WA5306073 / 8000
2021 Lead and Copper Rule MR 23 SDWIS / WA5306073 / 5000
2015 Coliform (TCR) MR 9 SDWIS / WA5306073 / 3100
2015 Total Haloacetic Acids (HAA5) MR 1 SDWIS / WA5306073 / 2456
2015 TTHM MR 1 SDWIS / WA5306073 / 2950
2013 Consumer Confidence Rule Other 4 SDWIS / WA5306073 / 7000

How WARNER FLATS DOMESTIC WATER CO INC Compares

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

Metric WARNER FLATS DOMESTIC WATER CO INC Washington avg Federal benchmark
Total violations 44 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 100 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 WARNER FLATS DOMESTIC WATER CO INC water safe to drink?
WARNER FLATS DOMESTIC WATER CO INC (PWS ID: WA5306073) has 44 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Surface Water sources.
How many people does WARNER FLATS DOMESTIC WATER CO INC serve?
WARNER FLATS DOMESTIC WATER CO INC serves 100 people in Cashmere, Washington. It is a Private-owned system using Surface Water water sources with 34 service connections.
What type of violations does WARNER FLATS DOMESTIC WATER CO INC have?
WARNER FLATS DOMESTIC WATER CO INC has 44 total violations: 0 health-based violations (MCL exceedances or treatment failures), 39 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WARNER FLATS DOMESTIC WATER CO INC water?
No PFAS testing data is available for WARNER FLATS DOMESTIC WATER CO INC under the EPA's UCMR5 monitoring program.
What water source does WARNER FLATS DOMESTIC WATER CO INC use?
WARNER FLATS DOMESTIC WATER CO INC uses Surface Water 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.

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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