RANCHO SANTA MARGARITA, CA · Orange County
SANTA MARGARITA WATER DISTRICT Water System
Consumer Confidence Report status
SANTA MARGARITA WATER 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 SANTA MARGARITA WATER 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)
- CA3010101
- System type
- Community Water System
- Population served
- 168,289
- Service connections
- 56,265
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
SANTA MARGARITA WATER DISTRICT is one of 92 community water systems in California in the more than 100,000 people size category, serving 168,289 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 2009, all of which EPA lists as closed. Nothing has been added since 2009.
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, 2009 – May 31, 2009
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 1, 2009 – May 31, 2009 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 18, 2011State Violation/Reminder Notice1 linked violation
- February 18, 2011State Compliance achieved1 linked violation
Common questions
Is SANTA MARGARITA WATER DISTRICT required to publish a Consumer Confidence Report?
- Yes. SANTA MARGARITA WATER 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 SANTA MARGARITA WATER DISTRICT’s next Consumer Confidence Report due?
- SANTA MARGARITA WATER DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SANTA MARGARITA WATER DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SANTA MARGARITA WATER 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
SMITH, ERIC
949-459-6522
RANCHO SANTA MARGARITA, CA 92688