Public water system · CA5610018
ActiveVentura Cwwd No. 1 - Moorpark
At a glance
Ventura Cwwd No. 1 - Moorpark (PWSID CA5610018) is an active community water system in Ventura County, California. It reports serving 35,514 people through 11,012 service connections. Its primary water source is purchased surface water, 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
35,514
Service connections
11,012
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Ventura Cwwd No. 1 - Moorpark compare with other water systems in Ventura County?
By EPA's size categories, Ventura Cwwd No. 1 - Moorpark is a large system (10,001 to 100,000 people). Ventura County has 95 active public water systems. Its population served is about 3.8 times the county average of 9,293 people per system, and accounts for 4% 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 Ventura Cwwd No. 1 - Moorpark is about 5.3 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 Ventura Cwwd No. 1 - Moorpark?
EPA lists Ventura Cwwd No. 1 - Moorpark 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 Ventura Cwwd No. 1 - Moorpark 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 Ventura Cwwd No. 1 - Moorpark. For the latest compliance status, check EPA ECHO for current compliance history.
Ventura Cwwd No. 1 - Moorpark: frequently asked questions
Who runs Ventura Cwwd No. 1 - Moorpark?
Ventura Cwwd No. 1 - Moorpark (PWSID CA5610018) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Ventura Cwwd No. 1 - Moorpark serve?
Ventura Cwwd No. 1 - Moorpark reports serving 35,514 people through 11,012 service connections in Ventura County, California.
Where does Ventura Cwwd No. 1 - Moorpark 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 Ventura Cwwd No. 1 - Moorpark have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Ventura Cwwd No. 1 - Moorpark'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 the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Ventura Cwwd No. 1 - Moorpark's water quality report?
As a community water system, Ventura Cwwd No. 1 - Moorpark 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, “Ventura Cwwd No. 1 - Moorpark, PWSID CA5610018, California”, https://aquacensus.com/water-systems/california/ventura-cwwd-no-1-moorpark-ca5610018 (data as of October 1, 2026).