GROVER BEACH, CA · San Luis Obispo County
RIM ROCK WATER COMPANY Water System
Consumer Confidence Report status
RIM ROCK WATER COMPANY 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 RIM ROCK WATER COMPANY.
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)
- CA4000750
- System type
- Community Water System
- Population served
- 55
- Service connections
- 25
- Ownership
- privately owned
- Water source
- groundwater (wells)
RIM ROCK WATER COMPANY is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 55 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 2021 and 2025, all of which EPA lists as closed.
None of the 2 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves inorganic chemicals.
Violation history
Maximum Contaminant Level Violation, Single Sample
Health-basedArsenic
April 1, 2025 – June 30, 2025
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedArsenic
January 1, 2021 – March 31, 2021
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2025 – June 30, 2025 | Maximum Contaminant Level Violation, Single Sample | Arsenic | Health-based | Resolved |
| January 1, 2021 – March 31, 2021 | Maximum Contaminant Level Violation, Single Sample | Arsenic | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 31, 2005State Compliance achieved24 linked violations
Common questions
Is RIM ROCK WATER COMPANY required to publish a Consumer Confidence Report?
- Yes. RIM ROCK WATER COMPANY 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 RIM ROCK WATER COMPANY’s next Consumer Confidence Report due?
- RIM ROCK WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does RIM ROCK WATER COMPANY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for RIM ROCK WATER COMPANY.
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
ELDER, ERIC
805-441-1391
GROVER BEACH, CA 93483