Public water system · CA5500080
ActiveTwain Harte Valley Mwc
Community water system in Tuolumne County, California, drawing primarily on surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
202
Service connections
106
Primary source
SW
Surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | 4H | 5200 | No | Unaddressed |
| 2025-04-01 | 3D | 8000 | No | Resolved |
| 2024-10-17 | 2E | 5200 | Yes | Unaddressed |
| 2024-10-17 | 4G | 5200 | No | Unaddressed |
| 1984-09-01 | 06 | — | No | Archived |
| 1984-08-01 | 06 | — | No | Archived |
| 1984-07-01 | 06 | — | No | Archived |
| 1984-06-01 | 06 | — | No | Archived |
| 1984-05-01 | 06 | — | No | Archived |
| 1984-04-01 | 06 | — | No | Archived |
| 1984-03-01 | 06 | — | No | Archived |
| 1984-02-01 | 06 | — | No | Archived |
Twain Harte Valley Mwc: frequently asked questions
Is Twain Harte Valley Mwc's water safe to drink?
Twain Harte Valley Mwc 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 Twain Harte Valley Mwc?
Twain Harte Valley Mwc (PWSID CA5500080) is a private-owned community water system, regulated by the CA state drinking water program.
How many people does Twain Harte Valley Mwc serve?
Twain Harte Valley Mwc reports serving 202 people through 106 service connections in Tuolumne County, California.
Where does Twain Harte Valley Mwc get its water?
EPA SDWIS lists this system's primary water source as surface water.
Other water systems in Tuolumne County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tud - Upper Basin Water System | Tuolumne | 13,280 | Community | Surface water |
| Tud - Sonora/Jamestown Water System | Tuolumne | 11,054 | Community | Surface water |
| Tud - Columbia Water System | Tuolumne | 5,463 | Community | Surface water |
| Peppery Bar and Grill, the | Tuolumne | 4,500 | Transient non-community | Groundwater |
| Cdcr - Sierra Conservation Center | Tuolumne | 3,571 | Community | Surface water |
| Groveland Community Serv Dist | Tuolumne | 3,400 | Community | Surface water |