Limestone-walters Pwd
EPA ID: IL1430020 · 2,023 people served · 5 ZIP codes
ZipCheckup's reading of EPA SDWIS for Limestone-walters Pwd (IL1430020): 1 unresolved EPA violation on record. In the most recent EPA reporting cycle, Limestone-walters Pwd carried 1 violation still marked as unresolved - each remains active in the federal enforcement ledger while the utility continues operations for its service population of approximately 2,023 people across the area it supplies.
Data: EPA SDWIS
Service Area Map
Coverage area for Limestone-walters Pwd Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Limestone-walters Pwd serves a community with a median household income of $72,350 and an estimated 57,873 residents across its service area. Approximately 77% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Limestone-walters Pwd'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 Limestone-walters Pwd compares to EPA limits
What This Means For You
Stage 2 DBP Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 21 detections recorded. 5 exceed federal EPA limits (4 ppt for PFOA/PFOS).
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
Limestone-walters Pwd (EPA ID: IL1430020) is a community water system in Illinois that serves approximately 2,023 people from groundwater sources.
This system provides water to 5 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 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 |
|---|---|---|---|
| October 1, 2025 | Stage 1 DBP Rule | Non-health-based | Resolved |
| August 22, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| July 2, 2025 | Stage 2 DBP Rule | Non-health-based | Unaddressed (current) |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 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 2 DBP Rule | Treatment Failure | 3 | Yes |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Lead and Copper 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 |
|---|---|---|
| 0.0012 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 IL 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 Limestone-walters Pwd (IL1430020) on EPA.gov.
Frequently Asked Questions
Is Limestone-walters Pwd 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 Limestone-walters Pwd serve?
Limestone-walters Pwd serves approximately 2,023 people across 5 ZIP codes in Illinois.
Where does Limestone-walters Pwd get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Limestone-walters Pwd (IL): 1 Health Violation. https://zipcheckup.com/water-system/il1430020/
@misc{zipcheckup-water-system-il1430020,
author = {{ZipCheckup}},
title = {{Limestone-walters Pwd (IL): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/il1430020/}
}
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
Limestone-walters Pwd (EPA ID: IL1430020) - request the latest Consumer Confidence Report or ask about specific contaminants.