City of Aurora
EPA ID: OR4100067 · 1,133 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for City of Aurora (OR4100067): 8 EPA violations in the last five years. Over the tracked period, City of Aurora logged 8 EPA violations - each has been remedied, and the system now supplies 1,133 people in good standing.
Data: EPA SDWIS
Service Area Map
Coverage area for City of Aurora Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The City of Aurora serves a community with a median household income of $70,130 and an estimated 43,125 residents across its service area. Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 31% 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?
City of Aurora'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.
Infrastructure Risk
Detected Contaminants
How City of Aurora compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 4 mg/L exceeds the EPA maximum of mg/L.
Total Coliform at 1 presence exceeds the EPA maximum of presence.
Contaminant 3028 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
City of Aurora, (EPA ID: OR4100067) is a community water system in Oregon that serves approximately 1,133 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: 8 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 |
|---|---|---|---|
| November 3, 2025 | Total Coliform | Non-health-based | Resolved |
| July 1, 2025 | Surface Water Treatment Rule | Non-health-based | Resolved |
| July 1, 2024 | Surface Water Treatment Rule | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 3028 | 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 |
| January 1, 2023 | Barium | Non-health-based | Resolved |
| January 1, 2022 | Barium | 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 | 4 | No |
| Barium | Inorganic | 2 | No |
| Total Coliform | Microbiological | 1 | No |
| Contaminant 3028 | Other Violation | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0035 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 City of Aurora (OR4100067) on EPA.gov.
Frequently Asked Questions
Is City of Aurora water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for City of Aurora; its 8 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does City of Aurora serve?
City of Aurora serves approximately 1,133 people across 3 ZIP codes in Oregon.
Where does City of Aurora get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). City of Aurora (OR): 8 EPA Violations. https://zipcheckup.com/water-system/or4100067/
@misc{zipcheckup-water-system-or4100067,
author = {{ZipCheckup}},
title = {{City of Aurora (OR): 8 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/or4100067/}
}
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
City of Aurora (EPA ID: OR4100067) - request the latest Consumer Confidence Report or ask about specific contaminants.