Public water system · CA5500096
ActiveSierra Twain Harte MHP
Community water system in Tuolumne County, California, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
129
Service connections
46
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-04-01 | 3D | 8000 | No | Resolved |
| 2015-08-01 | 23 | 3100 | No | Resolved |
| 1999-10-01 | 21 | 3100 | Yes | Resolved |
| 1993-07-01 | 51 | 5000 | No | Resolved |
| 1983-06-01 | 06 | — | No | Archived |
| 1982-12-01 | 06 | — | No | Archived |
| 1981-10-01 | 03 | 4000 | No | Archived |
| 1980-10-30 | 03 | 4000 | No | Archived |
Sierra Twain Harte MHP: frequently asked questions
Is Sierra Twain Harte MHP's water safe to drink?
Sierra Twain Harte MHP 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 Sierra Twain Harte MHP?
Sierra Twain Harte MHP (PWSID CA5500096) is a private-owned community water system, regulated by the CA state drinking water program.
How many people does Sierra Twain Harte MHP serve?
Sierra Twain Harte MHP reports serving 129 people through 46 service connections in Tuolumne County, California.
Where does Sierra Twain Harte MHP get its water?
EPA SDWIS lists this system's primary water source as groundwater.
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 |