City of Rainier

ZipCheckup's reading of EPA SDWIS for City of Rainier (OR4100689): 62 EPA violations in the last five years. A total of 62 EPA violations spanning the past five monitoring years sit on City of Rainier's record - every finding has been officially cleared, and the supplier now holds current compliance status for its service population of approximately 1,932 people, with no outstanding enforcement of any kind.

Data: EPA SDWIS

System Overview

City of Rainier (EPA ID: OR4100689) is a community water system in Oregon that serves approximately 1,932 people from surface water sources.

This system serves ZIP code 97048 in Rainier.

Violation History

Status breakdown for accepted records with record years 2021-2026: 34 resolved, 28 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by OR or modeled from parcel and building-footprint data.

• 97048 - Rainier

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Rainier (OR4100689) on EPA.gov.

Frequently Asked Questions

Is City of Rainier water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for City of Rainier; its 62 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does City of Rainier serve?

City of Rainier serves approximately 1,932 people across 1 ZIP code in Oregon.

Where does City of Rainier get its water?

The primary water source is surface water.

@misc{zipcheckup-water-system-or4100689,
  author = {{ZipCheckup}},
  title  = {{City of Rainier (OR): 62 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/or4100689/}
}