FOREST RANCH, CA · Butte County
HUMBOLDT HIGHLANDS MUTUAL Water System
Consumer Confidence Report status
HUMBOLDT HIGHLANDS MUTUAL 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 HUMBOLDT HIGHLANDS MUTUAL.
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)
- CA0400123
- System type
- Community Water System
- Population served
- 58
- Service connections
- 28
- Ownership
- privately owned
- Water source
- groundwater (wells)
HUMBOLDT HIGHLANDS MUTUAL is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 58 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 2008 and 2015, all of which EPA lists as closed. Nothing has been added since 2015.
Of the 2, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2015 – September 29, 2015
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
September 1, 2008 – September 30, 2008
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| September 1, 2015 – September 29, 2015 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 1, 2008 – September 30, 2008 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 22, 2025State Compliance achieved2 linked violations
- October 16, 2025State Formal Notice of Violation issued2 linked violations
- September 29, 2015State Violation/Reminder Notice1 linked violation
- September 29, 2015State Compliance achieved2 linked violations
Common questions
Is HUMBOLDT HIGHLANDS MUTUAL required to publish a Consumer Confidence Report?
- Yes. HUMBOLDT HIGHLANDS MUTUAL 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 HUMBOLDT HIGHLANDS MUTUAL’s next Consumer Confidence Report due?
- HUMBOLDT HIGHLANDS MUTUAL’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HUMBOLDT HIGHLANDS MUTUAL have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for HUMBOLDT HIGHLANDS MUTUAL.
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
_CADD, ERIC
530-895-8171
FOREST RANCH, CA 95942