Water Quality: Chehalis, WA
11 water systems • 13,480 people served
Multiple Health ViolationsWater Quality Summary
Chehalis is served by 11 public water systems with a combined service population of 13,480 people, and has 134 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Chehalis's violation count is 17% below the national average for Washington. Contaminants associated with violations include Fecal Coliform.
Contaminants Found
Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.
Common source: Human and animal fecal waste
EPA limit: Zero tolerance (any positive triggers violations)
Water Systems Serving Chehalis
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CHEHALIS WATER DEPARTMENT | WA5312250 | Surface Water | 11,426 | 3 |
| VADER-ENCHANTED VALLEY | WA5390900 | Surface Water | 985 | 9 |
| NEWAUKUM HILL WATER ASSN | WA5301428 | Surface Water | 493 | 77 |
| MIDDLE FORK WATER & SEWER | WA5300315 | Groundwater | 144 | 2 |
| VIEW RANCH ESTATES WATER ASSN | WA5301567 | Groundwater | 141 | 2 |
| PARKWOOD MOBILE HOME ESTATES | WA5366219 | Groundwater | 105 | 4 |
| WAYSIDE VILLAGE | WA5305704 | Groundwater | 60 | 1 |
| TILTON RIVER MOBILE HOME PARK | WA5356700 | Groundwater | 40 | 8 |
| CEDAR VILLA | WA5311998 | Groundwater | 32 | 1 |
| JACKSON MOBILE 2 | WA5303021 | Groundwater | 30 | 27 |
| MEADOWS | WA5304569 | Groundwater | 24 | 0 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Washington
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.