Public water system · WA53SP940
ActiveTwanoh State Park
Transient non-community water system in Mason County, Washington, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,173
Service connections
49
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2019-08-01 | 3A | 8000 | No | Resolved |
| 2013-12-01 | 23 | 3100 | No | Resolved |
| 2011-03-01 | 23 | 3100 | No | Resolved |
| 2007-01-01 | 03 | 1040 | No | Resolved |
| 2006-12-01 | 23 | 3100 | No | Archived |
| 2006-07-01 | 21 | 3100 | Yes | Archived |
| 2005-11-01 | 23 | 3100 | No | Archived |
| 2005-10-01 | 22 | 3100 | Yes | Archived |
| 2004-01-01 | 03 | 1040 | No | Resolved |
| 2003-10-01 | 22 | 3100 | Yes | Archived |
| 2003-09-01 | 23 | 3100 | No | Archived |
| 2003-08-01 | 22 | 3100 | Yes | Archived |
Twanoh State Park: frequently asked questions
Is Twanoh State Park's water safe to drink?
Twanoh State Park 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 Twanoh State Park?
Twanoh State Park (PWSID WA53SP940) is a state government-owned transient non-community water system, regulated by the WA state drinking water program.
How many people does Twanoh State Park serve?
Twanoh State Park reports serving 3,173 people through 49 service connections in Mason County, Washington.
Where does Twanoh State Park get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Mason County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Shelton City of | Mason | 15,089 | Community | Groundwater |
| Maysville Utility Commission | Mason | 11,263 | Community | Surface water |
| Ludington | Mason | 8,184 | Community | Surface water |
| Western Lewis Rectorville Water District | Mason | 6,534 | Community | Purchased surface water |
| Point Pleasant Water Works | Mason | 5,146 | Community | Groundwater |
| Buffalo Trail Water Assoc | Mason | 4,514 | Community | Purchased surface water |