Public water system · WA53AD648
ActiveFlat Top Ranch-Fishhook H2a Housing
At a glance
Flat Top Ranch-Fishhook H2a Housing (PWSID WA53AD648) is an active transient non-community water system in Walla Walla County, Washington. It reports serving 96 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
96
Service connections
4
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Flat Top Ranch-Fishhook H2a Housing compare with other water systems in Walla Walla County?
By EPA's size categories, Flat Top Ranch-Fishhook H2a Housing is a very small system (500 people or fewer). Walla Walla County has 69 active public water systems. Its population served is well below the county average of 1,126 people per system, and accounts for 0.1% of the 77,717 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 Flat Top Ranch-Fishhook H2a Housing is about 33% below 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 Flat Top Ranch-Fishhook H2a Housing?
EPA lists Flat Top Ranch-Fishhook H2a Housing as privately owned. 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. 43 of the 69 active systems in Walla Walla County (62%) are also privately owned.
Does Flat Top Ranch-Fishhook H2a Housing have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Flat Top Ranch-Fishhook H2a Housing. For the latest compliance status, check EPA ECHO for current compliance history.
Flat Top Ranch-Fishhook H2a Housing: frequently asked questions
Who runs Flat Top Ranch-Fishhook H2a Housing?
Flat Top Ranch-Fishhook H2a Housing (PWSID WA53AD648) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Flat Top Ranch-Fishhook H2a Housing serve?
Flat Top Ranch-Fishhook H2a Housing reports serving 96 people through 4 service connections in Walla Walla County, Washington.
Where does Flat Top Ranch-Fishhook H2a Housing 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 Flat Top Ranch-Fishhook H2a Housing have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Flat Top Ranch-Fishhook H2a Housing'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Flat Top Ranch-Fishhook H2a Housing's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Flat Top Ranch-Fishhook H2a Housing 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 Walla Walla County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Walla Walla Water Division | Walla Walla | 42,959 | Community | Surface water |
| College Place Water Dept | Walla Walla | 8,147 | Community | Groundwater |
| Snake River Housing Water System | Walla Walla | 3,036 | Community | Groundwater |
| Hood Park | Walla Walla | 2,283 | Transient non-community | Groundwater |
| Burbank Business Park | Walla Walla | 1,983 | Non-transient non-community | Groundwater |
| Waitsburg City of | Walla Walla | 1,817 | 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, “Flat Top Ranch-Fishhook H2a Housing, PWSID WA53AD648, Washington”, https://aquacensus.com/water-systems/washington/flat-top-ranch-fishhook-h2a-housing-wa53ad648 (data as of October 1, 2026).