Public water system · CA3705065
ActiveOakoasis Open Space Preserve
Transient non-community water system in San Diego County, California, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
12
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | 3A | 8000 | No | Archived |
| 2025-04-01 | 3A | 8000 | No | Archived |
| 2025-01-01 | 3A | 8000 | No | Archived |
| 2024-10-01 | 3A | 8000 | No | Archived |
| 2024-07-01 | 3A | 8000 | No | Archived |
| 2022-09-01 | 3A | 8000 | No | Archived |
| 2013-01-01 | 22 | 3100 | Yes | Resolved |
| 2011-10-01 | 23 | 3100 | No | Resolved |
| 2009-01-01 | 22 | 3100 | Yes | Resolved |
Oakoasis Open Space Preserve: frequently asked questions
Is Oakoasis Open Space Preserve's water safe to drink?
Oakoasis Open Space Preserve 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 Oakoasis Open Space Preserve?
Oakoasis Open Space Preserve (PWSID CA3705065) is a local government-owned transient non-community water system, regulated by the CA state drinking water program.
How many people does Oakoasis Open Space Preserve serve?
Oakoasis Open Space Preserve reports serving 25 people through 12 service connections in San Diego County, California.
Where does Oakoasis Open Space Preserve get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in San Diego County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| San Diego, City of | San Diego | 1,385,379 | Community | Surface water |
| Helix Water District | San Diego | 277,668 | Community | Surface water |
| Otay Water District | San Diego | 238,008 | Community | Purchased surface water |
| Sweetwater Authority | San Diego | 191,282 | Community | Surface water |
| Oceanside, City of | San Diego | 171,483 | Community | Purchased surface water |
| Escondido, City of | San Diego | 137,044 | Community | Surface water |