Public water system · CA5301103
ActiveCovington Mill - A
At a glance
Covington Mill - A (PWSID CA5301103) is an active community water system in Trinity County, California. It reports serving 60 people through 42 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
60
Service connections
42
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Covington Mill - A compare with other water systems in Trinity County?
By EPA's size categories, Covington Mill - A is a very small system (500 people or fewer). Trinity County has 42 active public water systems. Its population served is well below the county average of 347 people per system, and accounts for 0.4% 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 Covington Mill - A 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. 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 Covington Mill - A?
EPA lists Covington Mill - A 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 Covington Mill - A have drinking water violations?
EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in July 2025. The violations listed here began between August 1992 and July 2025. By type: 5 monitoring and reporting, 3 contaminant level above the legal limit, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 8 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2024-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2005-01-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1992-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 10 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.
Covington Mill - A: frequently asked questions
Who runs Covington Mill - A?
Covington Mill - A (PWSID CA5301103) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Covington Mill - A serve?
Covington Mill - A reports serving 60 people through 42 service connections in Trinity County, California.
Where does Covington Mill - A 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 Covington Mill - A have any drinking water violations?
EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in July 2025. 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 Covington Mill - A'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 10 violations for this system; 3 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Covington Mill - A's water quality report?
As a community water system, Covington Mill - A 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 |
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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, “Covington Mill - A, PWSID CA5301103, California”, https://aquacensus.com/water-systems/california/covington-mill-a-ca5301103 (data as of October 1, 2026).