Public water system · WA53AA342
ActiveChief Timothy Park
At a glance
Chief Timothy Park (PWSID WA53AA342) is an active transient non-community water system in Asotin County, Washington. It reports serving 160 people through 50 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
160
Service connections
50
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Chief Timothy Park compare with other water systems in Asotin County?
By EPA's size categories, Chief Timothy Park is a very small system (500 people or fewer). Asotin County has 7 active public water systems, and Chief Timothy Park is the 4th-largest of them by population served. Its population served is well below the county average of 3,575 people per system, and accounts for 0.6% of the 25,022 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 Chief Timothy Park is about 11% above 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 Chief Timothy Park?
EPA lists Chief Timothy Park as owned by the federal 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. 1 of the 7 active systems in Asotin County (14%) are also owned by the federal government.
Does Chief Timothy Park have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2025. The violations listed here began between April 2022 and August 2025. By type: 2 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 2 as resolved and 1 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 |
|---|---|---|---|---|
| 2025-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 2022-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 3 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.
Chief Timothy Park: frequently asked questions
Who runs Chief Timothy Park?
Chief Timothy Park (PWSID WA53AA342) is a transient non-community water system owned by the federal government. It is regulated by the WA state drinking water program.
How many people does Chief Timothy Park serve?
Chief Timothy Park reports serving 160 people through 50 service connections in Asotin County, Washington.
Where does Chief Timothy Park 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 Chief Timothy Park have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2025. 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 Chief Timothy Park'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 3 violations for this system; none is health-based, and the most recent began in August 2025. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Chief Timothy Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Chief Timothy Park 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 Asotin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| PUD #1 of Asotin County | Asotin | 21,930 | Community | Groundwater |
| Asotin Water Dept | Asotin | 2,531 | Community | Groundwater |
| Fields Spring State Park | Asotin | 344 | Transient non-community | Groundwater |
| Beamers Landing | Asotin | 31 | Transient non-community | Groundwater |
| Grand Ronde Ranches #1 | Asotin | 20 | Transient non-community | Groundwater |
| Blue Mountain Homesites | Asotin | 6 | 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, “Chief Timothy Park, PWSID WA53AA342, Washington”, https://aquacensus.com/water-systems/washington/chief-timothy-park-wa53aa342 (data as of October 1, 2026).