Chehalis Water Quality
Washington
According to EPA SDWIS, Chehalis, Washington is served by 13 community water systems covering about 13,999 people. The same extract lists 17 health-based violation records, most recently coded 0700 in 2022. Counts are historical EPA registry rows, not a current compliance or drinkability score.
Drinking water in Chehalis, Washington is delivered through 13 EPA-regulated community water systems serving an estimated 13,999 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.
PlainEnviro's health-based SDWIS extract shows 17 violation records across the 13 active community systems shown here. Monitoring and reporting records are not present in the extract. The records carry 3 distinct EPA contaminant codes: Groundwater Rule, Revised Total Coliform Rule, Surface Water Treatment Rule. 6 TRI-reporting industrial facilities are also located within the city limits.
A past EPA health-based registry row does not describe water delivered today or current compliance status; utilities notify customers and remediate under state primacy oversight when required. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the Washington drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.
Community Water Systems
| System Name | Pop. Served | Violations | Status |
|---|---|---|---|
| CHEHALIS WATER DEPARTMENT | 11,718 | 0 | Clean |
| VADER-ENCHANTED VALLEY | 985 | 4 | Health |
| NEWAUKUM HILL WATER ASSN | 493 | 0 | Clean |
| WILDAIRE ESTATES | 146 | 13 | Health |
| MIDDLE FORK WATER & SEWER | 144 | 0 | Clean |
| VIEW RANCH ESTATES WATER ASSN | 141 | 0 | Clean |
| PARKWOOD MOBILE HOME ESTATES | 105 | 0 | Clean |
| HARMONY PARK LOT OWNERS | 81 | 0 | Clean |
| WAYSIDE VILLAGE | 60 | 0 | Clean |
| TILTON RIVER MOBILE HOME PARK | 40 | 0 | Clean |
| CEDAR VILLA | 32 | 0 | Clean |
| JACKSON MOBILE 2 | 30 | 0 | Clean |
| MEADOWS | 24 | 0 | Clean |
Does this city have health-based water violations?
These health-based records can represent Maximum Contaminant Level (MCL), Treatment Technique (TT), or Maximum Residual Disinfectant Level (MRDL) categories. A historical record does not establish that water is currently unsafe.
| Water system | Contaminant | Begin Date |
|---|---|---|
| WILDAIRE ESTATES | Groundwater Rule | 2022-02-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2022-01-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2021-10-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2021-10-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2021-07-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2021-06-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2021-06-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2021-05-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2021-05-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2020-01-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2019-12-01 |
| WILDAIRE ESTATES | Revised Total Coliform Rule | 2019-02-01 |
| WILDAIRE ESTATES | Groundwater Rule | 2019-02-01 |
| VADER-ENCHANTED VALLEY | Surface Water Treatment Rule | 2018-04-01 |
| VADER-ENCHANTED VALLEY | Surface Water Treatment Rule | 2018-04-01 |
| VADER-ENCHANTED VALLEY | Surface Water Treatment Rule | 2018-03-01 |
| VADER-ENCHANTED VALLEY | Surface Water Treatment Rule | 2018-03-01 |
What are Chehalis's health-based records for?
Chehalis's health-based violation records carry 3 distinct EPA codes: some name a substance, others the drinking-water rule that was breached. Counts are records on file in the EPA SDWIS extract, not current test results.
| Contaminant | Records | Systems |
|---|---|---|
| Groundwater Rule | 12 | 1 |
| Surface Water Treatment Rule | 4 | 1 |
| Revised Total Coliform Rule | 1 | 1 |
TRI Facilities in Chehalis
| Facility | Total Releases |
|---|---|
| Darigold - Chehalis | 95.1K lbs |
| Imperial Group Manufacturing | 2.2K lbs |
| National Frozen Foods Corp-Processing | 770 lbs |
| Glacier Northwest Inc Chehalis Plant | 11 lbs |
| Aladdin Manufacturing Carpet Cushion - Chehalis Wa | 0 lbs |
| Perdue Foods LLC - Chehalis Feedmill | 0 lbs |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Chehalis, Washington? ▼
How many water violations does Chehalis have in this EPA extract? ▼
What contaminants were found in Chehalis water? ▼
How many water systems serve Chehalis? ▼
Where does Chehalis get its drinking water? ▼
Are there pollution sources near Chehalis? ▼
How does Chehalis compare in Washington?
Of the 365 Washington places with at least one community water system on file, Chehalis ranks #38 by number of systems (13).
Either side of it: Kennewick (14), Cashmere (13), Quincy (12), Snohomish (12)
About This Data
Figures here are the current EPA SDWIS extract joined to the 13 community water systems whose service area lists Chehalis, ranked against the 365 Washington places with at least one system on file. Data current as of 2026-08-25.
Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). PlainEnviro's violation fetch is restricted upstream to records EPA flags as health-based and then joined to active community water systems. Monitoring and reporting violations are not included.
A health-based violation row in this extract is a historical EPA registry entry. It does not describe water delivered today or current compliance status. Many records are later resolved, and public water systems notify customers when required. For current conditions, contact your local water utility or the state drinking water program.
TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.
Read our methodology - how this data is sourced, computed, and verified.