Public water system · CA4200951
ActiveDierberg/Star Lane Vineyard
At a glance
Dierberg/Star Lane Vineyard (PWSID CA4200951) is an active transient non-community water system in Santa Barbara County, California. It reports serving 550 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
550
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dierberg/Star Lane Vineyard compare with other water systems in Santa Barbara County?
By EPA's size categories, Dierberg/Star Lane Vineyard 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 0.1% 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 Dierberg/Star Lane Vineyard is about 3.8 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.
Who owns and regulates Dierberg/Star Lane Vineyard?
EPA lists Dierberg/Star Lane Vineyard as privately owned. 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. 121 of the 150 active systems in Santa Barbara County (81%) are also privately owned.
Does Dierberg/Star Lane Vineyard 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 Dierberg/Star Lane Vineyard. For the latest compliance status, check EPA ECHO for current compliance history.
Dierberg/Star Lane Vineyard: frequently asked questions
Who runs Dierberg/Star Lane Vineyard?
Dierberg/Star Lane Vineyard (PWSID CA4200951) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Dierberg/Star Lane Vineyard serve?
Dierberg/Star Lane Vineyard reports serving 550 people through 3 service connections in Santa Barbara County, California.
Where does Dierberg/Star Lane Vineyard get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Dierberg/Star Lane Vineyard have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Dierberg/Star Lane Vineyard'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 Dierberg/Star Lane Vineyard's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dierberg/Star Lane Vineyard 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, “Dierberg/Star Lane Vineyard, PWSID CA4200951, California”, https://aquacensus.com/water-systems/california/dierberg-star-lane-vineyard-ca4200951 (data as of October 1, 2026).