Timberline Rim Water Company Inc.
EPA ID: OR4100639 · 800 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Timberline Rim Water Company Inc. (OR4100639): 1 health-based violation recorded since 2021. Timberline Rim Water Company Inc. has 6 EPA violations on record, all marked resolved in the federal data; the utility serves 800 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Timberline Rim Water Company Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Timberline Rim Water Company Inc. have a median household income of $89,862 and about 5,069 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 52% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Timberline Rim Water Company Inc.'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.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Oregon
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Timberline Rim Water Company Inc. (EPA ID: OR4100639) is a community water system in Oregon that serves approximately 800 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 6 resolved, 0 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
| Date | Contaminant | Type | Status |
|---|---|---|---|
| April 10, 2025 | Public Notice | Non-health-based | Resolved |
| March 7, 2025 | Public Notice | Non-health-based | Resolved |
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Health-based | Resolved |
| October 1, 2024 | Consumer Confidence Rule | Non-health-based | Resolved |
| October 1, 2023 | Consumer Confidence Rule | Non-health-based | Resolved |
| July 1, 2023 | Consumer Confidence Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Rule | Other (notice or report rule) | 3 | No |
| Public Notice | Other (notice or report rule) | 2 | No |
| LEAD AND COPPER RULE REVISIONS | Treatment Technique | 1 | Yes |
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 | 2026-12-31 |
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Timberline Rim Water Company Inc. (OR4100639) on EPA.gov.
Frequently Asked Questions
Is Timberline Rim Water Company Inc. water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Timberline Rim Water Company Inc.; its 6 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Timberline Rim Water Company Inc. serve?
Timberline Rim Water Company Inc. serves approximately 800 people across 3 ZIP codes in Oregon.
Where does Timberline Rim Water Company Inc. get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Timberline Rim Water Company Inc. (OR): 1 Health Violation. https://zipcheckup.com/water-system/or4100639/
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author = {{ZipCheckup}},
title = {{Timberline Rim Water Company Inc. (OR): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/or4100639/}
}
What You Can Do
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Timberline Rim Water Company Inc. (EPA ID: OR4100639) - request the latest Consumer Confidence Report or ask about specific contaminants.