City of Lafayette
EPA ID: OR4100452 · 4,423 people served · 5 ZIP codes
ZipCheckup's reading of EPA records for City of Lafayette (OR4100452): 10 violations on record since 2021. Within the EPA violation records on file, City of Lafayette accumulated 10 violations, and every finding is recorded as resolved; the utility supplies water to approximately 4,423 people. Resolution of past violations is not a statement about current water quality.
Data: EPA SDWIS
Service Area Map
Coverage area for City of Lafayette Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with City of Lafayette have a median household income of $95,150 and about 49,480 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 44% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
City of Lafayette'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
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 2 detections recorded. 2 detections are above the level of a federal PFAS MCL (4 ppt for PFOA and PFOS), with compliance required from 2029.
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 Lafayette, (EPA ID: OR4100452) is a community water system in Oregon that serves approximately 4,423 people from surface water sources.
This system provides water to 5 ZIP codes across 5 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 10 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 |
|---|---|---|---|
| June 1, 2025 | Groundwater Rule | Non-health-based | Resolved |
| January 1, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| October 1, 2023 | Groundwater Rule | Non-health-based | Resolved |
| July 1, 2023 | Consumer Confidence Rule | Non-health-based | Resolved |
| July 1, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| June 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
| August 1, 2022 | Groundwater Rule | Non-health-based | Resolved |
| July 1, 2022 | Lead and Copper Rule | Non-health-based | Resolved |
| April 1, 2022 | Groundwater Rule | Non-health-based | Resolved |
| January 1, 2022 | Lead and Copper 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 |
|---|---|---|---|
| Lead and Copper Rule | Monitoring & Reporting | 4 | No |
| Groundwater Rule | Other Violation | 4 | No |
| Consumer Confidence Rule | Other (notice or report rule) | 1 | No |
| Revised Total Coliform Rule | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2025-12-31 |
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
5 of 5 ZIP records with known zones are in EPA Radon Zone 2.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Lafayette (OR4100452) on EPA.gov.
Frequently Asked Questions
Is City of Lafayette water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for City of Lafayette; its 10 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 Lafayette serve?
City of Lafayette serves approximately 4,423 people across 5 ZIP codes in Oregon.
Where does City of Lafayette get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: No PFAS Reported Above Reporting Levels
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were reported above UCMR5 minimum reporting levels.
EPA's April 2024 PFAS rule sets MCLs of 4 ppt for PFOA and PFOS and 10 ppt for PFHxS, PFNA and HFPO-DA (GenX); water systems must comply from 2029. Other PFAS compounds have no individual federal MCL. A state standard is shown only where this system's state has its own enforceable PFAS limit. Detection results are EPA UCMR5 samples, not a measurement at your tap.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). City of Lafayette (OR): 10 EPA Violations. https://zipcheckup.com/water-system/or4100452/
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title = {{City of Lafayette (OR): 10 EPA Violations}},
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url = {https://zipcheckup.com/water-system/or4100452/}
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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 Lafayette (EPA ID: OR4100452) - request the latest Consumer Confidence Report or ask about specific contaminants.