GREELEY HILL, CA · Mariposa County
YOSEMITE TERRACE ESTATES Water System
Consumer Confidence Report status
YOSEMITE TERRACE ESTATES 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 item for YOSEMITE TERRACE ESTATES that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- CA2210925
- System type
- Community Water System
- Population served
- 130
- Service connections
- 53
- Ownership
- privately owned
- Water source
- groundwater (wells)
YOSEMITE TERRACE ESTATES is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 130 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 2024 and 2025, of which 1 remains open; none are health-based.
All 2 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, Routine (RTCR)
—Revised Total Coliform Rule
June 1, 2025 – June 30, 2025
ArchivedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 2025 – June 30, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| October 17, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yet
Enforcement actions
- June 10, 2009State Violation/Reminder Notice5 linked violations
- June 10, 2009State Compliance achieved11 linked violations
- May 31, 2002State Violation/Reminder Notice10 linked violations
- December 31, 1995Federal Compliance achieved1 linked violation
- June 22, 1995State Formal Notice of Violation issued3 linked violations
Common questions
Is YOSEMITE TERRACE ESTATES required to publish a Consumer Confidence Report?
- Yes. YOSEMITE TERRACE ESTATES 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 YOSEMITE TERRACE ESTATES’s next Consumer Confidence Report due?
- YOSEMITE TERRACE ESTATES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does YOSEMITE TERRACE ESTATES have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for YOSEMITE TERRACE ESTATES that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
HIETT, MALCOLM
209-878-3847
GREELEY HILL, CA 95311