South Palos Twsp Sanitary District
EPA ID: IL0310140 · 2,800 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for South Palos Twsp Sanitary District (IL0310140): 1 unresolved EPA violation on record. The EPA enforcement database lists 1 active violation for South Palos Twsp Sanitary District - a provider that delivers drinking water to approximately 2,800 people and has not yet formally resolved those findings.
Data: EPA SDWIS
Service Area Map
Coverage area for South Palos Twsp Sanitary District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The South Palos Twsp Sanitary District serves a community with a median household income of $126,220 and an estimated 9,889 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: 46% 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?
South Palos Twsp Sanitary District'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.
Infrastructure Risk
Detected Contaminants
How South Palos Twsp Sanitary District compares to EPA limits
What This Means For You
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 2 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.
Revised Total Coliform Rule at 1 presence exceeds the EPA maximum of presence.
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
South Palos Twsp Sanitary District (EPA ID: IL0310140) is a community water system in Illinois that serves approximately 2,800 people from surface water sources.
This system serves ZIP code 60464 in Palos Park.
Violation History
Status breakdown for accepted records with record years 2021-2026: 6 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 |
|---|---|---|---|
| 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 1, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
| December 30, 2021 | Stage 1 DBP Rule | Non-health-based | Resolved |
| July 1, 2021 | Surface Water Treatment Rule | Non-health-based | Resolved |
| July 1, 2021 | Surface Water Treatment 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 | 2 | Yes |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 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.
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.
- 60464 - Palos Park
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for South Palos Twsp Sanitary District (IL0310140) on EPA.gov.
Frequently Asked Questions
Is South Palos Twsp Sanitary District 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 South Palos Twsp Sanitary District serve?
South Palos Twsp Sanitary District serves approximately 2,800 people across 1 ZIP code in Illinois.
Where does South Palos Twsp Sanitary District get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). South Palos Twsp Sanitary District (IL): 1 Health Violation. https://zipcheckup.com/water-system/il0310140/
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title = {{South Palos Twsp Sanitary District (IL): 1 Health Violation}},
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url = {https://zipcheckup.com/water-system/il0310140/}
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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
South Palos Twsp Sanitary District (EPA ID: IL0310140) - request the latest Consumer Confidence Report or ask about specific contaminants.