Public water system · WA5373560
ActiveMountain Valley Water System
Community water system in Pierce County, Washington, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
126
Service connections
42
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | 71 | 7000 | No | Resolved |
| 2007-01-01 | 03 | 1040 | No | Resolved |
| 2000-10-01 | 23 | 3100 | No | Archived |
Mountain Valley Water System: frequently asked questions
Is Mountain Valley Water System's water safe to drink?
Mountain Valley Water System is an active community water system regulated under the Safe Drinking Water Act, overseen by the WA 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 Mountain Valley Water System?
Mountain Valley Water System (PWSID WA5373560) is a private-owned community water system, regulated by the WA state drinking water program.
How many people does Mountain Valley Water System serve?
Mountain Valley Water System reports serving 126 people through 42 service connections in Pierce County, Washington.
Where does Mountain Valley Water System get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Pierce County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tacoma Water Division City of | Pierce | 446,170 | Community | Surface water |
| Southwood | Pierce | 64,155 | Community | Purchased surface water |
| Jblm Lewis | Pierce | 62,197 | Community | Groundwater |
| Lakewood Water District | Pierce | 62,089 | Community | Groundwater |
| Bonney Lake Water Department City | Pierce | 43,371 | Community | Purchased surface water |
| Puyallup City of | Pierce | 39,100 | Community | Purchased surface water |