Timberline Rim Water Company Inc.
EPA ID: OR4100639 · 800 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Timberline Rim Water Company Inc. (OR4100639): 1 past health-based violation, since resolved. EPA records: Timberline Rim Water Company Inc., 6 past violations, all resolved, 800 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Timberline Rim Water Company Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Timberline Rim Water Company Inc. serves a community with a median household income of $89,862 and an estimated 5,069 residents across its service area. 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 pumped from underground aquifers. 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
Detected Contaminants
How Timberline Rim Water Company Inc. compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Stage 2 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
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 | Lead and Copper Rule | Non-health-based | Resolved |
| March 7, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 1, 2024 | Surface Water Treatment Rule | Non-health-based | Resolved |
| October 1, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| July 1, 2023 | Surface Water Treatment 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 |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 3 | No |
| Lead and Copper Rule | Treatment Failure | 2 | No |
| Stage 2 DBP Rule | Treatment Failure | 1 | Yes |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
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: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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 the full compliance record 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
Test your water
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Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Timberline Rim Water Company Inc. (EPA ID: OR4100639) - request the latest Consumer Confidence Report or ask about specific contaminants.