Public water system · CA4810040
ActiveEasterly Wwtp - Vacaville
At a glance
Easterly Wwtp - Vacaville (PWSID CA4810040) is an active non-transient non-community water system in Solano County, California. It reports serving 70 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
70
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Easterly Wwtp - Vacaville compare with other water systems in Solano County?
By EPA's size categories, Easterly Wwtp - Vacaville is a very small system (500 people or fewer). Solano County has 63 active public water systems. Its population served is well below the county average of 7,509 people per system, and accounts for less than 0.1% of the 473,083 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Easterly Wwtp - Vacaville is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.
Who owns and regulates Easterly Wwtp - Vacaville?
EPA lists Easterly Wwtp - Vacaville as owned by a local government. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 19 of the 63 active systems in Solano County (30%) are also owned by a local government.
Does Easterly Wwtp - Vacaville 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 Easterly Wwtp - Vacaville. For the latest compliance status, check EPA ECHO for current compliance history.
Easterly Wwtp - Vacaville: frequently asked questions
Who runs Easterly Wwtp - Vacaville?
Easterly Wwtp - Vacaville (PWSID CA4810040) is a non-transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Easterly Wwtp - Vacaville serve?
Easterly Wwtp - Vacaville reports serving 70 people through 1 service connection in Solano County, California.
Where does Easterly Wwtp - Vacaville 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 Easterly Wwtp - Vacaville have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Easterly Wwtp - Vacaville'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 CA state drinking water program.
Where can I find Easterly Wwtp - Vacaville's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Easterly Wwtp - Vacaville is a non-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 Solano County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Vallejo | Solano | 121,420 | Community | Surface water |
| City of Fairfield | Solano | 120,377 | Community | Surface water |
| City of Vacaville | Solano | 99,650 | Community | Surface water |
| Suisun-Solano Water Authority | Solano | 29,105 | Community | Surface water |
| City of Benicia | Solano | 27,131 | Community | Surface water |
| California Water Service Co.-Travis Afb | Solano | 18,111 | Community | Purchased surface water |
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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, “Easterly Wwtp - Vacaville, PWSID CA4810040, California”, https://aquacensus.com/water-systems/california/easterly-wwtp-vacaville-ca4810040 (data as of October 1, 2026).