Public water system · CA0400123
ActiveHumboldt Highlands Mutual
Community water system in Butte County, California, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
58
Service connections
28
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | 71 | 7000 | No | Resolved |
| 2015-09-01 | 22 | 3100 | Yes | Resolved |
| 2008-09-01 | 25 | 3100 | No | Resolved |
| 2008-01-01 | 03 | 4010 | No | Resolved |
| 1993-07-01 | 51 | 5000 | No | Resolved |
Humboldt Highlands Mutual: frequently asked questions
Is Humboldt Highlands Mutual's water safe to drink?
Humboldt Highlands Mutual is an active community water system regulated under the Safe Drinking Water Act, overseen by the CA state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Humboldt Highlands Mutual?
Humboldt Highlands Mutual (PWSID CA0400123) is a private-owned community water system, regulated by the CA state drinking water program.
How many people does Humboldt Highlands Mutual serve?
Humboldt Highlands Mutual reports serving 58 people through 28 service connections in Butte County, California.
Where does Humboldt Highlands Mutual get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Butte County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cal-Water Service Co.-Chico | Butte | 114,925 | Community | Groundwater |
| South Feather W&P - Miners Ranch | Butte | 22,664 | Community | Surface water |
| Butte-Glenn Community College Dist | Butte | 18,000 | Non-transient non-community | Groundwater |
| Thermalito Water & Sewer Dist | Butte | 12,136 | Community | Surface water |
| Cal-Water Service Co.-Oroville | Butte | 11,106 | Community | Surface water |
| Del Oro Water Co.-Paradise Pines | Butte | 10,940 | Community | Purchased surface water |