Grand Ronde Community Wtr Assn
EPA ID: OR4100338 · 2,500 people served · 6 ZIP codes
ZipCheckup's reading of EPA records for Grand Ronde Community Wtr Assn (OR4100338): 5 violations on record since 2021. Grand Ronde Community Wtr Assn's EPA record lists 5 historical violations, and none is listed as open in that record; the utility supplies water to 2,500 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Grand Ronde Community Wtr Assn Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Grand Ronde Community Wtr Assn have a median household income of $62,322 and about 52,937 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 54% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Grand Ronde Community Wtr Assn'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
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
Grand Ronde Community Wtr Assn (EPA ID: OR4100338) is a community water system in Oregon that serves approximately 2,500 people from groundwater sources.
This system provides water to 6 ZIP codes across 6 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 5 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 |
|---|---|---|---|
| July 1, 2024 | Consumer Confidence Rule | Non-health-based | Resolved |
| January 2, 2023 | E. COLI | Non-health-based | Resolved |
| April 1, 2021 | Combined Uranium | Non-health-based | Resolved |
| April 1, 2021 | Combined Radium (-226 and -228) | Non-health-based | Resolved |
| April 1, 2021 | Gross Alpha | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| E. COLI | Monitoring & Reporting | 1 | No |
| Gross Alpha | Monitoring & Reporting | 1 | No |
| Combined Uranium | Monitoring & Reporting | 1 | No |
| Combined Radium (-226 and -228) | Monitoring & Reporting | 1 | No |
| Consumer Confidence Rule | Other (notice or report rule) | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0023 mg/L | No | 2024-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
3 of 6 ZIP records with known zones are in EPA Radon Zone 2. 3 of 6 ZIP records with known zones are in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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.
- 97338 - Dallas
- 97344 - Falls City
- 97347 - Grand Ronde
- 97361 - Monmouth
- 97378 - Sheridan
- 97396 - Willamina
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Grand Ronde Community Wtr Assn (OR4100338) on EPA.gov.
Frequently Asked Questions
Is Grand Ronde Community Wtr Assn water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Grand Ronde Community Wtr Assn; its 5 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Grand Ronde Community Wtr Assn serve?
Grand Ronde Community Wtr Assn serves approximately 2,500 people across 6 ZIP codes in Oregon.
Where does Grand Ronde Community Wtr Assn get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Grand Ronde Community Wtr Assn (OR): 5 EPA Violations. https://zipcheckup.com/water-system/or4100338/
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author = {{ZipCheckup}},
title = {{Grand Ronde Community Wtr Assn (OR): 5 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/or4100338/}
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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
Grand Ronde Community Wtr Assn (EPA ID: OR4100338) - request the latest Consumer Confidence Report or ask about specific contaminants.