Rainier Water Quality
Oregon
According to EPA SDWIS, Rainier, Oregon is served by 6 community water systems covering about 2,597 people. The same extract lists 28 health-based violation records, most recently coded 8000 in 2025. Counts are historical EPA registry rows, not a current compliance or drinkability score.
Drinking water in Rainier, Oregon is delivered through 6 EPA-regulated community water systems serving an estimated 2,597 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 28 violation records across the 6 active community systems shown here. Monitoring and reporting records are not present in the extract. The records carry 7 distinct EPA contaminant codes: Revised Total Coliform Rule, LEAD AND COPPER RULE REVISIONS, Groundwater Rule, Surface Water Treatment Rule, Arsenic and 2 others. 2 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 Oregon 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 |
|---|---|---|---|
| CITY OF RAINIER | 1,932 | 4 | Health |
| WESTERN HILLS MH ESTATES | 375 | 12 | Health |
| DEER VIEW COOPERATIVE | 90 | 0 | Clean |
| GOBLE WATER ASSOCIATION | 85 | 1 | Health |
| PRESCOTT, CITY OF | 70 | 6 | Health |
| J & M MOBILE HOME PARK | 45 | 5 | Health |
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 |
|---|---|---|
| J & M MOBILE HOME PARK | Revised Total Coliform Rule | 2025-08-23 |
| PRESCOTT, CITY OF | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2024-09-01 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2024-09-01 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2024-09-01 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2024-09-01 |
| CITY OF RAINIER | Surface Water Treatment Rule | 2024-08-01 |
| CITY OF RAINIER | Surface Water Treatment Rule | 2024-08-01 |
| GOBLE WATER ASSOCIATION | Groundwater Rule | 2024-03-14 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2024-01-01 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2024-01-01 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2024-01-01 |
| J & M MOBILE HOME PARK | Revised Total Coliform Rule | 2023-12-01 |
| J & M MOBILE HOME PARK | Revised Total Coliform Rule | 2023-12-01 |
| J & M MOBILE HOME PARK | Revised Total Coliform Rule | 2023-12-01 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2023-07-01 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2023-07-01 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2023-07-01 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2022-10-22 |
| WESTERN HILLS MH ESTATES | Groundwater Rule | 2022-10-22 |
| PRESCOTT, CITY OF | Arsenic | 2022-10-01 |
| PRESCOTT, CITY OF | Arsenic | 2022-10-01 |
| CITY OF RAINIER | CARBON, TOTAL | 2022-04-01 |
| CITY OF RAINIER | CARBON, TOTAL | 2022-04-01 |
| J & M MOBILE HOME PARK | Revised Total Coliform Rule | 2021-03-02 |
| PRESCOTT, CITY OF | Lead and Copper Rule | 2000-01-01 |
| PRESCOTT, CITY OF | Lead and Copper Rule | 1998-06-01 |
| PRESCOTT, CITY OF | Lead and Copper Rule | 1998-02-01 |
What are Rainier's health-based records for?
Rainier's health-based violation records carry 7 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 | 13 | 2 |
| Revised Total Coliform Rule | 5 | 1 |
| Lead and Copper Rule | 3 | 1 |
| Surface Water Treatment Rule | 2 | 1 |
| Arsenic | 2 | 1 |
| Carbon, Total | 2 | 1 |
| Lead and Copper Rule Revisions | 1 | 1 |
TRI Facilities in Rainier
| Facility | Total Releases |
|---|---|
| US Gypsum Co | 46 lbs |
| Conrad Wood Preserving Co | 0 lbs |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Rainier, Oregon? ▼
How many water violations does Rainier have in this EPA extract? ▼
What contaminants were found in Rainier water? ▼
How many water systems serve Rainier? ▼
Where does Rainier get its drinking water? ▼
Are there pollution sources near Rainier? ▼
How does Rainier compare in Oregon?
Of the 287 Oregon places with at least one community water system on file, Rainier ranks #36 by number of systems (6).
Either side of it: Canby (6), Clackamas (6), Springfield (6), Waldport (6)
About This Data
Figures here are the current EPA SDWIS extract joined to the 6 community water systems whose service area lists Rainier, ranked against the 287 Oregon 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.