Public water system · CA0400008
ActiveGran Mutual Water Co
Community water system in Butte County, California, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
290
Service connections
91
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 |
| 2014-10-01 | 21 | 3100 | Yes | Resolved |
| 2007-01-01 | 03 | 2990 | No | Resolved |
| 1993-07-01 | 51 | 5000 | No | Resolved |
| 1981-10-01 | 03 | 4000 | No | Archived |
Gran Mutual Water Co: frequently asked questions
Is Gran Mutual Water Co's water safe to drink?
Gran Mutual Water Co 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 Gran Mutual Water Co?
Gran Mutual Water Co (PWSID CA0400008) is a private-owned community water system, regulated by the CA state drinking water program.
How many people does Gran Mutual Water Co serve?
Gran Mutual Water Co reports serving 290 people through 91 service connections in Butte County, California.
Where does Gran Mutual Water Co 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 |