Public water system · WA53HD007
ActiveAlpowa Summit Rest Area
At a glance
Alpowa Summit Rest Area (PWSID WA53HD007) is an active transient non-community water system in Garfield County, Washington. It reports serving 801 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 5 violations for this system; none is health-based, and the most recent began in January 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
801
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Alpowa Summit Rest Area compare with other water systems in Garfield County?
By EPA's size categories, Alpowa Summit Rest Area is a small system (501 to 3,300 people). Garfield County has 9 active public water systems, and Alpowa Summit Rest Area is the 3rd-largest of them by population served. Its population served is about twice the county average of 412 people per system, and accounts for 22% of the 3,712 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 Alpowa Summit Rest Area is about 5.6 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 Alpowa Summit Rest Area?
EPA lists Alpowa Summit 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. 1 of the 9 active systems in Garfield County (11%) are also owned by a state government.
Does Alpowa Summit Rest Area have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2009. The violations listed here began between September 2003 and January 2009. By type: 5 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 as archived and 1 as resolved. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 2006-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2004-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2003-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 5 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.
Alpowa Summit Rest Area: frequently asked questions
Who runs Alpowa Summit Rest Area?
Alpowa Summit Rest Area (PWSID WA53HD007) 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 Alpowa Summit Rest Area serve?
Alpowa Summit Rest Area reports serving 801 people through 2 service connections in Garfield County, Washington.
Where does Alpowa Summit 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 Alpowa Summit Rest Area have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2009. 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 Alpowa Summit 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 5 violations for this system; none is health-based, and the most recent began in January 2009. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Alpowa Summit Rest Area's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Alpowa Summit 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 Garfield County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pomeroy City of | Garfield | 1,395 | Community | Groundwater |
| Garfield County Fairgrounds | Garfield | 1,250 | Transient non-community | Groundwater |
| Lower Granite Lock & Dam | Garfield | 120 | Non-transient non-community | Groundwater |
| Usace Illia Residential Area | Garfield | 46 | Community | Groundwater |
| Hiway Trailer Court | Garfield | 36 | Community | Groundwater |
| Dye Seed Ranch 1 | Garfield | 30 | 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, “Alpowa Summit Rest Area, PWSID WA53HD007, Washington”, https://aquacensus.com/water-systems/washington/alpowa-summit-rest-area-wa53hd007 (data as of October 1, 2026).