MT. SHASTA, CA · Siskiyou County
SUN MOUNTAIN M.W.C. Water System
Consumer Confidence Report status
SUN MOUNTAIN M.W.C. 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 SUN MOUNTAIN M.W.C..
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)
- CA4700686
- System type
- Community Water System
- Population served
- 106
- Service connections
- 32
- Ownership
- privately owned
- Water source
- groundwater (wells)
SUN MOUNTAIN M.W.C. is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 106 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1997, all of which EPA lists as closed. Nothing has been added since 1997.
None of the 1 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 the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 1997 – May 31, 1997
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 1, 1997 – May 31, 1997 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 4, 2021State Formal Notice of Violation issued19 linked violations
- October 19, 2005State Public Notification requested13 linked violations
- September 30, 1996State Compliance achieved18 linked violations
Common questions
Is SUN MOUNTAIN M.W.C. required to publish a Consumer Confidence Report?
- Yes. SUN MOUNTAIN M.W.C. 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 SUN MOUNTAIN M.W.C.’s next Consumer Confidence Report due?
- SUN MOUNTAIN M.W.C.’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SUN MOUNTAIN M.W.C. have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SUN MOUNTAIN M.W.C..
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
BURKE, JEFF
530-905-2503
MT. SHASTA, CA 96067