Luckiamute Domestic Water Coop
EPA ID: OR4100538 · 2,738 people served · 7 ZIP codes
In the current EPA monitoring period, Luckiamute Domestic Water Coop has 2 violations still listed as unresolved, with the utility supplying water to approximately 2,738 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 6 (2023) to 4 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Luckiamute Domestic Water Coop Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The Luckiamute Domestic Water Coop serves a community with a median household income of $70,625 and an estimated 64,321 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?
Luckiamute Domestic Water Coop's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 2% of homes in Polk County, Oregon rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Luckiamute Domestic Water Coop compares to EPA limits
What This Means For You
E. coli at 2 Zero tolerance (any positive sample triggers immediate action) exceeds the EPA maximum of Zero tolerance (any positive sample triggers immediate action). Severe GI illness; potentially fatal kidney failure in children. Consider UV disinfection (99.99%) filtration.
Fecal Coliform at 2 presence exceeds the EPA maximum of presence.
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
E. coli was detected in this water system. UV disinfection (99.99%) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
Luckiamute Domestic Water Coop (EPA ID: OR4100538) is a community water system in Oregon that serves approximately 2,738 people from surface water sources.
This system provides water to 7 ZIP codes across 7 communities.
Average Home Safety Score: A (92/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2025 | E. coli | Monitoring | Resolved |
| January 1, 2025 | Fecal Coliform | Monitoring | Resolved |
| October 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| August 1, 2023 | E. coli | Monitoring | Unresolved |
| August 1, 2023 | Fecal Coliform | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| E. coli | Microbiological | 2 | No |
| Fecal Coliform | Microbiological | 2 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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.
- 97338 — Dallas
- 97344 — Falls City
- 97347 — Grand Ronde
- 97351 — Independence
- 97361 — Monmouth
- 97378 — Sheridan
- 97396 — Willamina
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Luckiamute Domestic Water Coop (OR4100538) on EPA.gov.
Frequently Asked Questions
Is Luckiamute Domestic Water Coop water safe to drink?
Luckiamute Domestic Water Coop has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Luckiamute Domestic Water Coop serve?
Luckiamute Domestic Water Coop serves approximately 2,738 people across 7 ZIP codes in Oregon.
Where does Luckiamute Domestic Water Coop get its water?
The primary water source is surface water.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Luckiamute Domestic Water Coop (EPA ID: OR4100538) — request the latest Consumer Confidence Report or ask about specific contaminants.