RIVER GROVE MUTUAL WATER ASSN
PWSID: CA4400621 · Felton, CA · Serves 54 people
RIVER GROVE MUTUAL WATER ASSN has 13 health-based violations out of 13 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
RIVER GROVE MUTUAL WATER ASSN (PWSID CA4400621) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 54 people in Felton, CA, and is subject to primacy enforcement by the California drinking-water program.
The system's federal compliance record contains 13 total violations, with 13 classified as health-based (MCL exceedances or treatment-technique failures). 3 distinct contaminants have been cited, including Arsenic, Turbidity, Atrazine. Recorded violations span 2016–2024.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA4400621
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Felton, CA
- Population Served
- 54
- Health Violations
- Yes (13)
What contaminants are in this water system?
Violation History (13)
| Contaminant | Health | Date |
|---|---|---|
| Arsenic | Yes | Aug 1, 2024 |
| Arsenic | Yes | Aug 1, 2024 |
| Arsenic | Yes | Aug 1, 2024 |
| Arsenic | Yes | Aug 1, 2024 |
| Atrazine | Yes | Feb 1, 2024 |
| Atrazine | Yes | Feb 1, 2024 |
| Turbidity | Yes | Jan 1, 2023 |
| Turbidity | Yes | Jan 1, 2023 |
| Arsenic | Yes | Jan 1, 2023 |
| Arsenic | Yes | Jan 1, 2023 |
| Turbidity | Yes | Jan 1, 2022 |
| Turbidity | Yes | Dec 1, 2021 |
| Arsenic | Yes | Oct 1, 2016 |
Frequently Asked Questions
Is RIVER GROVE MUTUAL WATER ASSN water safe to drink?
How many people does RIVER GROVE MUTUAL WATER ASSN serve?
What violations does RIVER GROVE MUTUAL WATER ASSN have?
What contaminants have been found in RIVER GROVE MUTUAL WATER ASSN water?
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.