Public water system · WA53HD280
ActiveHatton Coulee Rest Area
At a glance
Hatton Coulee Rest Area (PWSID WA53HD280) is an active transient non-community water system in Adams County, Washington. It reports serving 3,882 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,882
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hatton Coulee Rest Area compare with other water systems in Adams County?
By EPA's size categories, Hatton Coulee Rest Area is a medium system (3,301 to 10,000 people). Adams County has 49 active public water systems, and Hatton Coulee Rest Area is the 2nd-largest of them by population served. Its population served is about 7.4 times the county average of 525 people per system, and accounts for 15% of the 25,710 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Hatton Coulee Rest Area is about 27 times that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Washington has 1,913 active transient non-community water systems, 41% of the state's 4,705 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,370 Washington systems (93%) list groundwater as their primary source.
Who owns and regulates Hatton Coulee Rest Area?
EPA lists Hatton Coulee Rest Area as owned by a state government. The WA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 49 active systems in Adams County (4.1%) are also owned by a state government.
Does Hatton Coulee Rest Area have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2023. The violations listed here began between June 1992 and January 2023. By type: 4 monitoring and reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as resolved and 3 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2022-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1997-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-06-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 6 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Hatton Coulee Rest Area: frequently asked questions
Who runs Hatton Coulee Rest Area?
Hatton Coulee Rest Area (PWSID WA53HD280) is a transient non-community water system owned by a state government. It is regulated by the WA state drinking water program.
How many people does Hatton Coulee Rest Area serve?
Hatton Coulee Rest Area reports serving 3,882 people through 2 service connections in Adams County, Washington.
Where does Hatton Coulee Rest Area get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Hatton Coulee Rest Area have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Hatton Coulee Rest Area's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Hatton Coulee Rest Area's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hatton Coulee Rest Area is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Adams County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Othello Water Department | Adams | 8,755 | Community | Groundwater |
| Schrag Eb/Wb Rest Areas | Adams | 3,734 | Transient non-community | Groundwater |
| Ritzville Water Department | Adams | 1,725 | Community | Groundwater |
| Lind Town of | Adams | 903 | Community | Groundwater |
| Adams County Water Dist #1 | Adams | 870 | Community | Purchased groundwater |
| Hgh Inc. Water System | Adams | 613 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Hatton Coulee Rest Area, PWSID WA53HD280, Washington”, https://aquacensus.com/water-systems/washington/hatton-coulee-rest-area-wa53hd280 (data as of October 1, 2026).