Thompsonville
EPA ID: IL0550500 · 486 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Thompsonville (IL0550500): 5 violations on record since 2021. Thompsonville's EPA record lists 5 historical violations, and none is listed as open in that record; the utility supplies water to 486 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Thompsonville Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Thompsonville have a median household income of $55,528 and about 10,691 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 75% 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?
Thompsonville'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.
Wastewater Proximity Note: This service area ranks in the 70th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
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. 1 detection recorded.
Comparable Water Systems
Similar-sized systems in Illinois
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
Thompsonville (EPA ID: IL0550500) is a community water system in Illinois that serves approximately 486 people from surface water sources.
This system serves ZIP code 62896 in West Frankfort.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 4 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 |
|---|---|---|---|
| February 1, 2026 | Revised Total Coliform Rule | Non-health-based | Archived |
| February 1, 2026 | Chloramine | Non-health-based | Archived |
| January 1, 2026 | Revised Total Coliform Rule | Non-health-based | Archived |
| January 1, 2026 | Chloramine | Non-health-based | Archived |
| October 1, 2023 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Chloramine | Other Violation | 2 | No |
| Revised Total Coliform Rule | Monitoring & Reporting | 2 | No |
| Total Haloacetic Acids (HAA5) | 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.
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 IL or modeled from parcel and building-footprint data.
- 62896 - West Frankfort
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Thompsonville (IL0550500) on EPA.gov.
Frequently Asked Questions
Is Thompsonville water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Thompsonville; its 5 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Thompsonville serve?
Thompsonville serves approximately 486 people across 1 ZIP code in Illinois.
Where does Thompsonville get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Thompsonville (IL): 5 EPA Violations. https://zipcheckup.com/water-system/il0550500/
@misc{zipcheckup-water-system-il0550500,
author = {{ZipCheckup}},
title = {{Thompsonville (IL): 5 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/il0550500/}
}
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
Thompsonville (EPA ID: IL0550500) - request the latest Consumer Confidence Report or ask about specific contaminants.