SONORA, CA · Tuolumne County
SONORA MEADOWS MUTUAL WTR CO Water System
Consumer Confidence Report status
SONORA MEADOWS MUTUAL WTR CO 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 1 open health-based violation for SONORA MEADOWS MUTUAL WTR CO.
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)
- CA5510023
- System type
- Community Water System
- Population served
- 1,123
- Service connections
- 451
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
SONORA MEADOWS MUTUAL WTR CO is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 1,123 people from surface water.
As of August 1, 2026, its federal record holds 2 entries between 2024 and 2025, of which 1 health-based item remains open.
Of the 2, 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 and the Lead and Copper Rule.
Violation history
Monitoring, Lab Certification/Method Error (RTCR)
—Revised Total Coliform Rule
April 1, 2025 – May 31, 2025
ResolvedLSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2025 – May 31, 2025 | Monitoring, Lab Certification/Method Error (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 17, 2024 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Unaddressed |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
Enforcement actions
- March 1, 2018State Compliance achieved10 linked violations
- July 8, 2004Federal Compliance achieved1 linked violation
Common questions
Is SONORA MEADOWS MUTUAL WTR CO required to publish a Consumer Confidence Report?
- Yes. SONORA MEADOWS MUTUAL WTR CO 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 SONORA MEADOWS MUTUAL WTR CO’s next Consumer Confidence Report due?
- SONORA MEADOWS MUTUAL WTR CO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SONORA MEADOWS MUTUAL WTR CO have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 open health-based violation for SONORA MEADOWS MUTUAL WTR CO.
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
BAGLEY, MARGIE
209-404-0656
SONORA, CA 95370