Lower Siletz Water System
EPA ID: OR4101428 · 165 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Lower Siletz Water System (OR4101428): 3 unresolved EPA violations on record. Lower Siletz Water System shows 3 open EPA violations in current federal records for approximately 165 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Lower Siletz Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Lower Siletz Water System serves a community with a median household income of $64,624 and an estimated 12,234 residents across its service area. Approximately 58% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 41% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
🌊 Where Does Your Water Come From?
Lower Siletz Water System'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.
Infrastructure Risk
Detected Contaminants
How Lower Siletz Water System compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 5 mg/L exceeds the EPA maximum of mg/L.
Stage 1 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
Lower Siletz Water System (EPA ID: OR4101428) is a community water system in Oregon that serves approximately 165 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 3 resolved, 0 archived, 0 addressed, and 3 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 |
|---|---|---|---|
| October 1, 2025 | Surface Water Treatment Rule | Non-health-based | Unaddressed (current) |
| July 1, 2025 | Surface Water Treatment Rule | Non-health-based | Unaddressed (current) |
| October 1, 2024 | Surface Water Treatment Rule | Non-health-based | Unaddressed (current) |
| July 1, 2024 | Surface Water Treatment Rule | Non-health-based | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| October 1, 2022 | Stage 1 DBP 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 | 5 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
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 Lower Siletz Water System (OR4101428) on EPA.gov.
Frequently Asked Questions
Is Lower Siletz Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 3 current noncompliance records and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Lower Siletz Water System serve?
Lower Siletz Water System serves approximately 165 people across 2 ZIP codes in Oregon.
Where does Lower Siletz Water System get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lower Siletz Water System (OR): 6 EPA Violations. https://zipcheckup.com/water-system/or4101428/
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title = {{Lower Siletz Water System (OR): 6 EPA Violations}},
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url = {https://zipcheckup.com/water-system/or4101428/}
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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
Lower Siletz Water System (EPA ID: OR4101428) - request the latest Consumer Confidence Report or ask about specific contaminants.