SIERRA ESTATES MUTUAL WATER COMPANY
PWSID: CA2900548 · Penn Valley, CA · Serves 100 people
SIERRA ESTATES MUTUAL WATER COMPANY has 2 health-based violations out of 2 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
SIERRA ESTATES MUTUAL WATER COMPANY (PWSID CA2900548) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 100 people in Penn Valley, CA, and is subject to primacy enforcement by the California drinking-water program.
The system's federal compliance record contains 2 total violations, with 2 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Gross Alpha, Total Coliform (RTCR). Recorded violations span 1999–2024.
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)
- CA2900548
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Penn Valley, CA
- Population Served
- 100
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Gross Alpha | 1 | 1 |
| Total Coliform (RTCR) | 1 | 1 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Gross Alpha | Yes | Oct 17, 2024 |
| Total Coliform (RTCR) | Yes | May 1, 1999 |
Frequently Asked Questions
Is SIERRA ESTATES MUTUAL WATER COMPANY water safe to drink?
How many people does SIERRA ESTATES MUTUAL WATER COMPANY serve?
What violations does SIERRA ESTATES MUTUAL WATER COMPANY have?
What contaminants have been found in SIERRA ESTATES MUTUAL WATER COMPANY water?
Nearby Water Systems
Explore More
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.