Public water system · CA5304102
ActiveTrinity Village Mutual Water
At a glance
Trinity Village Mutual Water (PWSID CA5304102) is an active community water system in Trinity County, California. It reports serving 332 people through 193 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in February 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
332
Service connections
193
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Trinity Village Mutual Water compare with other water systems in Trinity County?
By EPA's size categories, Trinity Village Mutual Water is a very small system (500 people or fewer). Trinity County has 42 active public water systems. Its population served is roughly in line with the county average of 347 people per system, and accounts for 2.3% of the 14,561 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so Trinity Village Mutual Water is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active community water systems, 40% of the state's 7,479 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 609 California systems (8.1%) list surface water as their primary source.
Who owns and regulates Trinity Village Mutual Water?
EPA lists Trinity Village Mutual Water 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. 27 of the 42 active systems in Trinity County (64%) are also privately owned.
Does Trinity Village Mutual Water have drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in February 2020. The violations listed here began between June 1992 and February 2020. By type: 4 monitoring and reporting and 3 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2020-02-01 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | Yes | Resolved |
| 1994-04-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1992-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
Trinity Village Mutual Water: frequently asked questions
Who runs Trinity Village Mutual Water?
Trinity Village Mutual Water (PWSID CA5304102) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Trinity Village Mutual Water serve?
Trinity Village Mutual Water reports serving 332 people through 193 service connections in Trinity County, California.
Where does Trinity Village Mutual Water get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Trinity Village Mutual Water have any drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in February 2020. 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 Trinity Village Mutual Water'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 7 violations for this system; 3 are health-based, and the most recent began in February 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Trinity Village Mutual Water's water quality report?
As a community water system, Trinity Village Mutual Water must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Trinity County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Weaverville C.S.D. | Trinity | 3,975 | Community | Surface water |
| Trinity Co. W.W. Dist #1 | Trinity | 2,324 | Community | Surface water |
| Trinity Center M.W.C. | Trinity | 729 | Community | Surface water |
| Lewiston Community Services District | Trinity | 677 | Community | Surface water |
| Clark System | Trinity | 450 | Transient non-community | Groundwater |
| Hayward Flat Campground | Trinity | 440 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Trinity Village Mutual Water, PWSID CA5304102, California”, https://aquacensus.com/water-systems/california/trinity-village-mutual-water-ca5304102 (data as of October 1, 2026).