Public water system · CA5610063
ActiveCamrosa Water District
At a glance
Camrosa Water District (PWSID CA5610063) is an active community water system in Ventura County, California. It reports serving 32,700 people through 9,055 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in September 1994.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
32,700
Service connections
9,055
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Camrosa Water District compare with other water systems in Ventura County?
By EPA's size categories, Camrosa Water District is a large system (10,001 to 100,000 people). Ventura County has 95 active public water systems. Its population served is about 3.5 times the county average of 9,293 people per system, and accounts for 3.7% of the 882,799 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 Camrosa Water District is about 4.9 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 506 California systems (6.8%) list purchased surface water as their primary source.
Who owns and regulates Camrosa Water District?
EPA lists Camrosa Water District 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. 29 of the 95 active systems in Ventura County (31%) are also owned by a local government.
Does Camrosa Water District have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in September 1994. The violations listed here began between June 1993 and September 1994. By type: 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR) and Lead and Copper Rule. 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 |
|---|---|---|---|---|
| 1994-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-06-30 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | 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.
Camrosa Water District: frequently asked questions
Who runs Camrosa Water District?
Camrosa Water District (PWSID CA5610063) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Camrosa Water District serve?
Camrosa Water District reports serving 32,700 people through 9,055 service connections in Ventura County, California.
Where does Camrosa Water District get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Camrosa Water District have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in September 1994. 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 Camrosa Water District'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 2 violations for this system; 1 is health-based, and the most recent began in September 1994. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Camrosa Water District's water quality report?
As a community water system, Camrosa Water District 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 Ventura County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oxnard Water Dept | Ventura | 200,232 | Community | Purchased surface water |
| Ventura Water Department | Ventura | 113,500 | Community | Surface water |
| Ventura Wwd No. 8 - Simi Valley | Ventura | 94,738 | Community | Purchased surface water |
| Cal American Water Co | Ventura | 66,809 | Community | Purchased surface water |
| City of Thousand Oaks Water Department | Ventura | 53,157 | Community | Purchased surface water |
| Camarillo Water Dept | Ventura | 46,824 | 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, “Camrosa Water District, PWSID CA5610063, California”, https://aquacensus.com/water-systems/california/camrosa-water-district-ca5610063 (data as of October 1, 2026).