Harristown
EPA ID: IL1150210 · 1,320 people served · 6 ZIP codes
ZipCheckup's reading of EPA SDWIS for Harristown (IL1150210): 1 unresolved EPA violation on record. Federal data shows 1 unresolved violation at Harristown - roughly 1,320 residents in the service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Harristown Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Harristown serves a community with a median household income of $74,445 and an estimated 52,204 residents across its service area. Approximately 84% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 41% 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?
Harristown'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 Harristown compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
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
Harristown (EPA ID: IL1150210) is a community water system in Illinois that serves approximately 1,320 people from groundwater sources.
This system provides water to 6 ZIP codes across 5 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 0 resolved, 0 archived, 0 addressed, and 1 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 |
|---|---|---|---|
| July 1, 2025 | Surface Water Treatment Rule | Non-health-based | Unaddressed (current) |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| 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 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.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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 IL or modeled from parcel and building-footprint data.
- 61756 - Maroa
- 62522 - Decatur
- 62526 - Decatur
- 62539 - Illiopolis
- 62551 - Niantic
- 62573 - Warrensburg
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Harristown (IL1150210) on EPA.gov.
Frequently Asked Questions
Is Harristown water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Harristown serve?
Harristown serves approximately 1,320 people across 6 ZIP codes in Illinois.
Where does Harristown get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Harristown (IL): 1 EPA Violation. https://zipcheckup.com/water-system/il1150210/
@misc{zipcheckup-water-system-il1150210,
author = {{ZipCheckup}},
title = {{Harristown (IL): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/il1150210/}
}
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
Harristown (EPA ID: IL1150210) - request the latest Consumer Confidence Report or ask about specific contaminants.