Rimrock West Imprvmnt District
EPA ID: OR4101334 · 150 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Rimrock West Imprvmnt District (OR4101334): no drinking-water violations recorded since 2021. Rimrock West Imprvmnt District is listed without violations in federal records, across a service area of 150 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Rimrock West Imprvmnt District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Rimrock West Imprvmnt District have a median household income of $84,067 and about 44,287 residents live in those ZIP codes (Census; not the number of people this system supplies).
💧 Where Does Your Water Come From?
Rimrock West Imprvmnt District's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Oregon
System Overview
Rimrock West Imprvmnt District (EPA ID: OR4101334) is a community water system in Oregon that serves approximately 150 people from groundwater sources.
This system serves ZIP code 97756 in Redmond.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 97756 - Redmond
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rimrock West Imprvmnt District (OR4101334) on EPA.gov.
Frequently Asked Questions
Is Rimrock West Imprvmnt District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Rimrock West Imprvmnt District in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Rimrock West Imprvmnt District serve?
Rimrock West Imprvmnt District serves approximately 150 people across 1 ZIP code in Oregon.
Where does Rimrock West Imprvmnt District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Rimrock West Imprvmnt District Water Quality Report, OR. https://zipcheckup.com/water-system/or4101334/
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