PlainEnviro

LAKE SISKIYOU M.W.C.

PWSID: CA4700549 · Mt. Shasta, CA · Serves 277 people

Health Violations

LAKE SISKIYOU M.W.C. has 8 health-based violations out of 8 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
277
Total Violations
8
Health Violations
8
Source Type
Groundwater

LAKE SISKIYOU M.W.C. (PWSID CA4700549) 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 277 people in Mt. Shasta, CA, and is subject to primacy enforcement by the California drinking-water program.

The system's federal compliance record contains 8 total violations, with 8 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including E. coli, Total Coliform (RTCR). Recorded violations span 2014–2020.

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)
CA4700549
System Type
CWS
Water Source
Groundwater
Location
Mt. Shasta, CA
Population Served
277
Health Violations
Yes (8)

What contaminants are in this water system?

Contaminant Violations Health-Based
E. coli 6 6
Total Coliform (RTCR) 2 2

Violation History (8)

Contaminant Health Date
E. coli Yes May 1, 2020
E. coli Yes May 1, 2020
E. coli Yes Dec 1, 2019
E. coli Yes Dec 1, 2019
E. coli Yes Jul 1, 2019
E. coli Yes Jul 1, 2019
Total Coliform (RTCR) Yes Aug 1, 2014
Total Coliform (RTCR) Yes Aug 1, 2014

Frequently Asked Questions

Is LAKE SISKIYOU M.W.C. water safe to drink?
LAKE SISKIYOU M.W.C. has 8 health-based violations out of 8 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses groundwater water as its source.
How many people does LAKE SISKIYOU M.W.C. serve?
LAKE SISKIYOU M.W.C. serves 277 people in Mt. Shasta, CA. It is classified as a CWS water system.
What violations does LAKE SISKIYOU M.W.C. have?
LAKE SISKIYOU M.W.C. has 8 total violations on record spanning 2014–2020. 8 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in LAKE SISKIYOU M.W.C. water?
Violations have been recorded for 2 contaminants. The most frequent: E. coli, Total Coliform (RTCR).

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Explore More

California Water Systems → All States → Contaminants →

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.

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