LAKE SISKIYOU M.W.C.
PWSID: CA4700549 · Mt. Shasta, CA · Serves 277 people
According to EPA Safe Drinking Water Information System (SDWIS), LAKE SISKIYOU M.W.C. (PWSID CA4700549) in Mt. Shasta, CA is listed as a CWS water system covering about 277 people. The same extract lists 8 health-based violation records spanning 2014-2020. Those 8 health-based rows for LAKE SISKIYOU M.W.C. cover contaminants such as Revised Total Coliform Rule, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
LAKE SISKIYOU M.W.C. has 8 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Revised Total Coliform Rule, Coliform (TCR). Recorded violations span 2014–2020. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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 |
|---|---|---|
| Revised Total Coliform Rule | 6 | 6 |
| Coliform (TCR) | 2 | 2 |
Violation History (8)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | May 1, 2020 |
| Revised Total Coliform Rule | Yes | May 1, 2020 |
| Revised Total Coliform Rule | Yes | Dec 1, 2019 |
| Revised Total Coliform Rule | Yes | Dec 1, 2019 |
| Revised Total Coliform Rule | Yes | Jul 1, 2019 |
| Revised Total Coliform Rule | Yes | Jul 1, 2019 |
| Coliform (TCR) | Yes | Aug 1, 2014 |
| Coliform (TCR) | Yes | Aug 1, 2014 |
Frequently Asked Questions
What does EPA SDWIS list for LAKE SISKIYOU M.W.C.?
How many people does LAKE SISKIYOU M.W.C. serve?
What violations does LAKE SISKIYOU M.W.C. have?
What contaminants have been found in LAKE SISKIYOU M.W.C. water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest LAKE SISKIYOU M.W.C. on cumulative violation count (8) and EPA-reported population served (277). Violation-count peers include Mashantucket Pequot Water System, San Ildefonso Pueblo, TOWAOC WATER SYSTEM.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
LAKE SISKIYOU M.W.C. (CA4700549) is drawn from EPA SDWIS. Nearby county systems in this extract include YREKA, CITY OF; MT. SHASTA, CITY OF; LAKE SHASTINA C.S.D; WEED, CITY OF. Health-based rows (8 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.