Public water system · CA1900556
ActiveVasquez Rocks County Park
At a glance
Vasquez Rocks County Park (PWSID CA1900556) is an active transient non-community water system in Los Angeles County, California. It reports serving 30 people through 1 service connection. Its primary water source is groundwater under influence of 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
30
Service connections
1
Primary source
GU
Groundwater under influence of surface water
System type
TNCWS
Transient non-community water system
System record
How does Vasquez Rocks County Park compare with other water systems in Los Angeles County?
By EPA's size categories, Vasquez Rocks County Park is a very small system (500 people or fewer). Los Angeles County has 275 active public water systems. Its population served is well below the county average of 36,762 people per system, and accounts for less than 0.1% of the 10,109,668 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Vasquez Rocks County Park is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. California has 3,016 active transient non-community water systems, 40% of the state's 7,479 active systems. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 105 California systems (1.4%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Vasquez Rocks County Park?
EPA lists Vasquez Rocks County Park 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. 100 of the 275 active systems in Los Angeles County (36%) are also owned by a local government.
Does Vasquez Rocks County Park 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 Vasquez Rocks County Park. For the latest compliance status, check EPA ECHO for current compliance history.
Vasquez Rocks County Park: frequently asked questions
Who runs Vasquez Rocks County Park?
Vasquez Rocks County Park (PWSID CA1900556) is a transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Vasquez Rocks County Park serve?
Vasquez Rocks County Park reports serving 30 people through 1 service connection in Los Angeles County, California.
Where does Vasquez Rocks County Park get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Vasquez Rocks County Park have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Vasquez Rocks County Park'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 EPA ECHO, or the CA state drinking water program.
Where can I find Vasquez Rocks County Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Vasquez Rocks County Park is a 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 Los Angeles County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Los Angeles-City, Dept. of Water & Power | Los Angeles | 3,875,566 | Community | Surface water |
| Long Beach Utilities Department | Los Angeles | 466,772 | Community | Purchased surface water |
| Santa Clarita Valley Water Agency | Los Angeles | 294,090 | Community | Surface water |
| Gswc - Southwest | Los Angeles | 277,740 | Community | Purchased surface water |
| San Gabriel Valley Water Co.-El Monte | Los Angeles | 248,000 | Community | Groundwater |
| Los Angeles Cwwd 40 Reg 4 & 34 Lancaster | Los Angeles | 208,129 | 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, “Vasquez Rocks County Park, PWSID CA1900556, California”, https://aquacensus.com/water-systems/california/vasquez-rocks-county-park-ca1900556 (data as of October 1, 2026).