Public water system · CA5700773
ActiveUnitarian Church of Davis
At a glance
Unitarian Church of Davis (PWSID CA5700773) is an active non-transient non-community water system in Yolo County, California. It reports serving 250 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
250
Service connections
5
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Unitarian Church of Davis compare with other water systems in Yolo County?
By EPA's size categories, Unitarian Church of Davis is a very small system (500 people or fewer). Yolo County has 88 active public water systems. Its population served is well below the county average of 2,951 people per system, and accounts for less than 0.1% of the 259,714 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 Unitarian Church of Davis is about 42% 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 Unitarian Church of Davis?
EPA lists Unitarian Church of Davis as privately owned. 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. 69 of the 88 active systems in Yolo County (78%) are also privately owned.
Does Unitarian Church of Davis have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2013. The violations listed here began between June 2012 and October 2013. By type: 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Nitrate and Total coliform bacteria (TCR). EPA lists 2 as resolved. 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 |
|---|---|---|---|---|
| 2013-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2012-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 2 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.
Unitarian Church of Davis: frequently asked questions
Who runs Unitarian Church of Davis?
Unitarian Church of Davis (PWSID CA5700773) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Unitarian Church of Davis serve?
Unitarian Church of Davis reports serving 250 people through 5 service connections in Yolo County, California.
Where does Unitarian Church of Davis 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 Unitarian Church of Davis have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2013. 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 Unitarian Church of Davis' 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 2 violations for this system; 1 is health-based, and the most recent began in October 2013. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Unitarian Church of Davis' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Unitarian Church of Davis 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 Yolo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Davis | Yolo | 67,457 | Community | Purchased surface water |
| City of Woodland | Yolo | 61,462 | Community | Purchased surface water |
| City of West Sacramento | Yolo | 53,355 | Community | Surface water |
| Uc - Davis | Yolo | 49,616 | Community | Purchased surface water |
| City of Winters | Yolo | 7,115 | Community | Groundwater |
| Esparto C.S.D. | Yolo | 3,574 | 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, “Unitarian Church of Davis, PWSID CA5700773, California”, https://aquacensus.com/water-systems/california/unitarian-church-of-davis-ca5700773 (data as of October 1, 2026).