LOS ALAMOS, CA · Santa Barbara County
LOS ALAMOS COMMUNITY SERVICES DISTRICT Water System
Consumer Confidence Report status
LOS ALAMOS COMMUNITY SERVICES DISTRICT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for LOS ALAMOS COMMUNITY SERVICES DISTRICT.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA4210002
- System type
- Community Water System
- Population served
- 1,534
- Service connections
- 615
- Ownership
- local government
- Water source
- groundwater (wells)
LOS ALAMOS COMMUNITY SERVICES DISTRICT is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 1,534 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1997, all of which EPA lists as closed. Nothing has been added since 1997.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules.
Violation history
Monitoring, Routine Minor (TCR)
—Coliform (TCR)
May 1, 1997 – May 31, 1997
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 1, 1997 – May 31, 1997 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is LOS ALAMOS COMMUNITY SERVICES DISTRICT required to publish a Consumer Confidence Report?
- Yes. LOS ALAMOS COMMUNITY SERVICES DISTRICT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is LOS ALAMOS COMMUNITY SERVICES DISTRICT’s next Consumer Confidence Report due?
- LOS ALAMOS COMMUNITY SERVICES DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LOS ALAMOS COMMUNITY SERVICES DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for LOS ALAMOS COMMUNITY SERVICES DISTRICT.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
GOMEZ, JUAN RAMON
805-344-4195
LOS ALAMOS, CA 93440