Public water system · CA4000700
ActiveGranite Ridge
Transient non-community water system in San Luis Obispo County, California, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
11
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2022-01-01 | 03 | 1040 | No | Resolved |
| 2020-01-01 | 03 | 1040 | No | Resolved |
| 2009-08-01 | 23 | 3100 | No | Resolved |
| 2008-03-01 | 23 | 3100 | No | Resolved |
| 2004-02-01 | 23 | 3100 | No | Resolved |
| 2003-09-01 | 23 | 3100 | No | Resolved |
Granite Ridge: frequently asked questions
Is Granite Ridge's water safe to drink?
Granite Ridge is an active transient non-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 Granite Ridge?
Granite Ridge (PWSID CA4000700) is a private-owned transient non-community water system, regulated by the CA state drinking water program.
How many people does Granite Ridge serve?
Granite Ridge reports serving 50 people through 11 service connections in San Luis Obispo County, California.
Where does Granite Ridge get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in San Luis Obispo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Santa Margarita Recreation Area | San Luis Obispo | 50,001 | Transient non-community | Groundwater |
| San Luis Obispo Water Department | San Luis Obispo | 47,788 | Community | Surface water |
| City of Paso Robles Water Division | San Luis Obispo | 31,176 | Community | Surface water |
| Atascadero Mutual Water Co | San Luis Obispo | 30,618 | Community | Groundwater |
| City of Arroyo Grande Utilities Division | San Luis Obispo | 17,963 | Community | Purchased surface water |
| California Mens Colony | San Luis Obispo | 15,000 | Community | Surface water |