Public water system · WA53AD034
ActiveMatson - Mattawa Campus
Transient non-community water system in Grant County, Washington, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
48
Service connections
4
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-11-01 | 3A | 8000 | No | Archived |
| 2024-11-01 | 3A | 8000 | No | Resolved |
| 2013-11-01 | 23 | 3100 | No | Resolved |
Matson - Mattawa Campus: frequently asked questions
Is Matson - Mattawa Campus's water safe to drink?
Matson - Mattawa Campus is an active transient non-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 Matson - Mattawa Campus?
Matson - Mattawa Campus (PWSID WA53AD034) is a private-owned transient non-community water system, regulated by the WA state drinking water program.
How many people does Matson - Mattawa Campus serve?
Matson - Mattawa Campus reports serving 48 people through 4 service connections in Grant County, Washington.
Where does Matson - Mattawa Campus get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Grant County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Moses Lake City of | Grant | 32,428 | Community | Groundwater |
| Marion City Water Works | Grant | 28,363 | Community | Groundwater |
| Gorge Amphitheatre | Grant | 25,119 | Transient non-community | Groundwater |
| Bullock Pen Water District | Grant | 20,048 | Community | Surface water |
| Sardis Water Association | Grant | 15,660 | Community | Purchased surface water |
| Silver City Water System | Grant | 14,400 | Community | Groundwater |