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Community Water System · PWS WA5331400

Harrah Water System

Harrah, Washington 98933 - drinking water served from groundwater sources to 1,304 people, tracked in EPA SDWIS and UCMR5.

1,304
People served
27
EPA violations
13
Health-based
Untested
UCMR5 result

The verdict

EPA records 27 drinking-water violations at Harrah Water System, 48% of them health-based - below the Washington per-system average.

27
Total EPA violations on record
48%
Health-based (MCL / treatment failure)
1,304
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Harrah Water System

Harrah Water System is a local-owned community water system that delivers drinking water to 1,304 residents in Harrah, Washington (Yakima County) through 182 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 27 total violations for this system , of which 13 (48%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 12 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 13 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. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%).

Harrah Water System's 27 violations sit below the Washington average.

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
1,304
Total Violations
27
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
182
County
Yakima
School/Daycare
No
MCL Violations
13
Monitoring Violations
12
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 13 2000
Coliform (TCR) MR 9 1992
Consumer Confidence Rule Other 2 2018
Total Haloacetic Acids (HAA5) MR 1 2018
Lead and Copper Rule MR 1 2000
TTHM MR 1 2018

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 Harrah Water System.

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 WA5331400 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 Harrah Water System 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
2018 Consumer Confidence Rule Other 2 SDWIS / WA5331400 / 7000
2018 Total Haloacetic Acids (HAA5) MR 1 SDWIS / WA5331400 / 2456
2018 TTHM MR 1 SDWIS / WA5331400 / 2950
2000 Coliform (TCR) MCL 13 SDWIS / WA5331400 / 3100
2000 Lead and Copper Rule MR 1 SDWIS / WA5331400 / 5000
1992 Coliform (TCR) MR 9 SDWIS / WA5331400 / 3100

How Harrah Water System Compares

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

Metric Harrah Water System Washington avg Federal benchmark
Total violations 27 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 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 1,304 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Harrah Water System water safe to drink? ▼
Harrah Water System (PWS ID: WA5331400) has 27 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,304 people using Groundwater sources.
How many people does Harrah Water System serve? ▼
Harrah Water System serves 1,304 people in Harrah, Washington. It is a Local-owned system using Groundwater water sources with 182 service connections.
What type of violations does Harrah Water System have? ▼
Harrah Water System has 27 total violations: 13 health-based violations (MCL exceedances or treatment failures), 12 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Harrah Water System water? ▼
No PFAS testing data is available for Harrah Water System under the EPA's UCMR5 monitoring program.
What water source does Harrah Water System use? ▼
Harrah Water System 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.