Public water system · CA4210305
ActiveLas Cruces State Park
At a glance
Las Cruces State Park (PWSID CA4210305) is an active transient non-community water system in Santa Barbara County, California. It reports serving 306 people through 8 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a state government. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
306
Service connections
8
Primary source
GU
Groundwater under influence of surface water
System type
TNCWS
Transient non-community water system
System record
How does Las Cruces State Park compare with other water systems in Santa Barbara County?
By EPA's size categories, Las Cruces State Park is a very small system (500 people or fewer). 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 less than 0.1% 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 Las Cruces State Park is about twice 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 Las Cruces State Park?
EPA lists Las Cruces State Park as owned by a state 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. 4 of the 150 active systems in Santa Barbara County (2.7%) are also owned by a state government.
Does Las Cruces State 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 October 2020. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. 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 |
|---|---|---|---|---|
| 2020-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | 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.
Las Cruces State Park: frequently asked questions
Who runs Las Cruces State Park?
Las Cruces State Park (PWSID CA4210305) is a transient non-community water system owned by a state government. It is regulated by the CA state drinking water program.
How many people does Las Cruces State Park serve?
Las Cruces State Park reports serving 306 people through 8 service connections in Santa Barbara County, California.
Where does Las Cruces State 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 Las Cruces State 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 October 2020. 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 Las Cruces State 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 October 2020. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Las Cruces State Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Las Cruces State 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, “Las Cruces State Park, PWSID CA4210305, California”, https://aquacensus.com/water-systems/california/las-cruces-state-park-ca4210305 (data as of October 1, 2026).