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HATTON TOWN OF

PWS ID: WA5331600 · Moses Lake, Washington 98837

HATTON TOWN OF serves 105 people in Moses Lake, Washington using Groundwater water sources. It has 241 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HATTON TOWN OF

HATTON TOWN OF is a local-owned community water system that delivers drinking water to 105 residents in Moses Lake, Washington (Adams County) through 41 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 241 total violations for this system , of which 3 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 227 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 28 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. HATTON TOWN OF's 241 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
105
Total Violations
241
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
41
County
Adams
School/Daycare
No
MCL Violations
3
Monitoring Violations
227
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 28 2000
Lead and Copper Rule MR 23 2005
Revised Total Coliform Rule MON 14 2022
Pentachlorophenol MR 8 2007
Aldicarb sulfoxide MR 4 2007
Endrin MR 4 2007
BHC-GAMMA MR 4 2007
Methoxychlor MR 4 2007
Di(2-ethylhexyl) phthalate MR 4 2007
LASSO MR 4 2007
Benzo(a)pyrene MR 4 2007
Dalapon MR 4 2007
Dinoseb MR 4 2007
Diquat MR 4 2007
Picloram MR 4 2007
2,4,5-TP MR 4 2007
Aldicarb sulfone MR 4 2007
Carbofuran MR 4 2007
Di(2-ethylhexyl) adipate MR 4 2007
Simazine MR 4 2007
Heptachlor MR 4 2007
HEXACHLOROBENZENE MR 4 2007
Chlordane MR 4 2007
Hexachlorocyclopentadiene MR 4 2007
Toxaphene MR 4 2007
Aldicarb MR 4 2007
Heptachlor epoxide MR 4 2007
OXAMYL MR 4 2007
Atrazine MR 4 2007
Nitrate MR 3 2021

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 HATTON TOWN OF.

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 WA5331600 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 HATTON TOWN OF 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
2022 Revised Total Coliform Rule MON 14 SDWIS / WA5331600 / 8000
2021 Nitrate MR 3 SDWIS / WA5331600 / 1040
2008 Barium MR 2 SDWIS / WA5331600 / 1010
2008 Cadmium MR 2 SDWIS / WA5331600 / 1015
2008 Chromium MR 2 SDWIS / WA5331600 / 1020
2008 Nickel MR 2 SDWIS / WA5331600 / 1036
2008 Antimony, Total MR 2 SDWIS / WA5331600 / 1074
2008 Beryllium, Total MR 2 SDWIS / WA5331600 / 1075
2008 Thallium, Total MR 2 SDWIS / WA5331600 / 1085
2008 Arsenic MR 2 SDWIS / WA5331600 / 1005
2008 CYANIDE MR 2 SDWIS / WA5331600 / 1024
2008 Mercury MR 2 SDWIS / WA5331600 / 1035
2008 Fluoride MR 2 SDWIS / WA5331600 / 1025
2008 Selenium MR 2 SDWIS / WA5331600 / 1045
2007 Pentachlorophenol MR 8 SDWIS / WA5331600 / 2326

How HATTON TOWN OF Compares

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

Metric HATTON TOWN OF Washington avg Federal benchmark
Total violations 241 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 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 105 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 HATTON TOWN OF water safe to drink? ▼
HATTON TOWN OF (PWS ID: WA5331600) has 241 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 105 people using Groundwater sources.
How many people does HATTON TOWN OF serve? ▼
HATTON TOWN OF serves 105 people in Moses Lake, Washington. It is a Local-owned system using Groundwater water sources with 41 service connections.
What type of violations does HATTON TOWN OF have? ▼
HATTON TOWN OF has 241 total violations: 3 health-based violations (MCL exceedances or treatment failures), 227 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HATTON TOWN OF water? ▼
No PFAS testing data is available for HATTON TOWN OF under the EPA's UCMR5 monitoring program.
What water source does HATTON TOWN OF use? ▼
HATTON TOWN OF 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.

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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.

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