Lamontai Improvement Wtr District
EPA ID: OR4100238 · 255 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Lamontai Improvement Wtr District (OR4100238): 2 EPA violations in the last five years. Federal water data for Lamontai Improvement Wtr District logs 2 historical violations - all addressed and cleared, leaving the utility in current compliance for 255 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Lamontai Improvement Wtr District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Lamontai Improvement Wtr District serves a community with a median household income of $71,985 and an estimated 18,881 residents across its service area. Approximately 64% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 36% 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?
Lamontai Improvement Wtr District'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 Lamontai Improvement Wtr District compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment 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
Lamontai Improvement Wtr District (EPA ID: OR4100238) is a community water system in Oregon that serves approximately 255 people from groundwater sources.
This system serves ZIP code 97424 in Cottage Grove.
Violation History
Status breakdown for accepted records with record years 2021-2026: 2 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 |
|---|---|---|---|
| October 1, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| October 1, 2023 | 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 |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Surface Water Treatment 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 |
|---|---|---|
| 0.00242 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.
- 97424 - Cottage Grove
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lamontai Improvement Wtr District (OR4100238) on EPA.gov.
Frequently Asked Questions
Is Lamontai Improvement Wtr District water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Lamontai Improvement Wtr District; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Lamontai Improvement Wtr District serve?
Lamontai Improvement Wtr District serves approximately 255 people across 1 ZIP code in Oregon.
Where does Lamontai Improvement Wtr District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lamontai Improvement Wtr District (OR): 2 EPA Violations. https://zipcheckup.com/water-system/or4100238/
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title = {{Lamontai Improvement Wtr District (OR): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/or4100238/}
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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
Lamontai Improvement Wtr District (EPA ID: OR4100238) - request the latest Consumer Confidence Report or ask about specific contaminants.