City of Aurora
EPA ID: OR4100067 · 1,133 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for City of Aurora (OR4100067): 8 violations on record since 2021. Per the federal file, all 8 violations logged for City of Aurora carry a resolved status, and around 1,133 people get water from this system.
Data: EPA SDWIS
Service Area Map
Coverage area for City of Aurora Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with City of Aurora have a median household income of $70,130 and about 43,125 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 31% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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 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
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 | E. COLI | Non-health-based | Resolved |
| July 1, 2025 | Consumer Confidence Rule | Non-health-based | Resolved |
| July 1, 2024 | Consumer Confidence Rule | Non-health-based | Resolved |
| January 1, 2024 | COLIPHAGE | Non-health-based | Resolved |
| October 1, 2023 | Consumer Confidence Rule | Non-health-based | Resolved |
| July 1, 2023 | Consumer Confidence Rule | Non-health-based | Resolved |
| January 1, 2023 | Arsenic | Non-health-based | Resolved |
| January 1, 2022 | Arsenic | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Rule | Other (notice or report rule) | 4 | No |
| Arsenic | Monitoring & Reporting | 2 | No |
| E. COLI | Monitoring & Reporting | 1 | No |
| COLIPHAGE | 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 | 2023-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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 available EPA compliance records 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/
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title = {{City of Aurora (OR): 8 EPA Violations}},
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url = {https://zipcheckup.com/water-system/or4100067/}
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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
City of Aurora (EPA ID: OR4100067) - request the latest Consumer Confidence Report or ask about specific contaminants.