Public water system · CA2210510
ActiveYosemite Nps-Wawona
Community water system in Mariposa County, California, drawing primarily on surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
141
Primary source
SW
Surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | 71 | 7000 | No | Addressed |
| 2007-07-01 | 71 | 7000 | No | Resolved |
| 2005-07-01 | 71 | 7000 | No | Resolved |
| 2000-05-01 | 41 | 0200 | Yes | Resolved |
| 1996-05-01 | 41 | 0200 | Yes | Resolved |
| 1995-03-01 | 41 | 0200 | Yes | Resolved |
| 1995-01-01 | 41 | 0200 | Yes | Resolved |
| 1993-04-01 | 22 | 3100 | Yes | Resolved |
Yosemite Nps-Wawona: frequently asked questions
Is Yosemite Nps-Wawona's water safe to drink?
Yosemite Nps-Wawona 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 Yosemite Nps-Wawona?
Yosemite Nps-Wawona (PWSID CA2210510) is a federal government-owned community water system, regulated by the CA state drinking water program.
How many people does Yosemite Nps-Wawona serve?
Yosemite Nps-Wawona reports serving 150 people through 141 service connections in Mariposa County, California.
Where does Yosemite Nps-Wawona get its water?
EPA SDWIS lists this system's primary water source as surface water.
Other water systems in Mariposa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Yosemite Nps-Glacier Point | Mariposa | 4,000 | Transient non-community | Surface water |
| Blm-Briceburg Water System | Mariposa | 3,196 | Transient non-community | Groundwater |
| Mariposa Public Utility Dist | Mariposa | 2,000 | Community | Surface water |
| Yosemite Nps-Bridalveil Fall | Mariposa | 1,163 | Transient non-community | Groundwater |
| Mid - Mc Swain Rec Area | Mariposa | 1,119 | Transient non-community | Surface water |
| Yosemite Nps-Yosemite Valley | Mariposa | 1,000 | Community | Groundwater |