Public water system · CA4200911
ActiveLake Cachuma County Park
At a glance
Lake Cachuma County Park (PWSID CA4200911) is an active transient non-community water system in Santa Barbara County, California. It reports serving 1,000 people through 16 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,000
Service connections
16
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Lake Cachuma County Park compare with other water systems in Santa Barbara County?
By EPA's size categories, Lake Cachuma County Park is a small system (501 to 3,300 people). Santa Barbara County has 150 active public water systems. Its population served is well below the county average of 3,255 people per system, and accounts for 0.2% of the 488,317 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 Lake Cachuma County Park is about 6.9 times 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. 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 Lake Cachuma County Park?
EPA lists Lake Cachuma 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. 24 of the 150 active systems in Santa Barbara County (16%) are also owned by a local government.
Does Lake Cachuma County Park have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2018. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. EPA lists 1 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 |
|---|---|---|---|---|
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
The one violation in EPA's records.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.
Lake Cachuma County Park: frequently asked questions
Who runs Lake Cachuma County Park?
Lake Cachuma County Park (PWSID CA4200911) 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 Lake Cachuma County Park serve?
Lake Cachuma County Park reports serving 1,000 people through 16 service connections in Santa Barbara County, California.
Where does Lake Cachuma County Park 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 Lake Cachuma County Park have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2018. 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 Lake Cachuma 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 records list one violation for this system; it is not health-based, and the most recent began in January 2018. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Lake Cachuma County Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lake Cachuma 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 Santa Barbara County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Santa Maria Utilities Department | Santa Barbara | 109,477 | Community | Purchased surface water |
| City of Santa Barbara Water Department | Santa Barbara | 99,323 | Community | Surface water |
| Goleta Water District | Santa Barbara | 84,462 | Community | Surface water |
| Lompoc-City Water Utility Div | Santa Barbara | 40,473 | Community | Surface water |
| Golden State Water Company - Orcutt | Santa Barbara | 34,102 | Community | Purchased surface water |
| Carpinteria Valley Water District | Santa Barbara | 15,996 | 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, “Lake Cachuma County Park, PWSID CA4200911, California”, https://aquacensus.com/water-systems/california/lake-cachuma-county-park-ca4200911 (data as of October 1, 2026).