Terre Du Lac
EPA ID: MO4036059 · 3,200 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Terre Du Lac (MO4036059): no EPA violations recorded in the last five years. Five clean years on EPA record - Terre Du Lac, 3,200 residents served.
Data: EPA SDWIS
Service Area Map
Coverage area for Terre Du Lac Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Terre Du Lac serves a community with a median household income of $58,018 and an estimated 32,298 residents across its service area. Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 64% 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?
Terre Du Lac'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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Missouri
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
Terre Du Lac (EPA ID: MO4036059) is a community water system in Missouri that serves approximately 3,200 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0039 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 MO 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 Terre Du Lac (MO4036059) on EPA.gov.
Frequently Asked Questions
Is Terre Du Lac water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Terre Du Lac in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Terre Du Lac serve?
Terre Du Lac serves approximately 3,200 people across 2 ZIP codes in Missouri.
Where does Terre Du Lac get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Terre Du Lac Water Quality Report, MO. https://zipcheckup.com/water-system/mo4036059/
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title = {{Terre Du Lac Water Quality Report, MO}},
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url = {https://zipcheckup.com/water-system/mo4036059/}
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