South Palos Twsp Sanitary District
EPA ID: IL0310140 · 2,800 people served · 1 ZIP code
ZipCheckup's reading of EPA records for South Palos Twsp Sanitary District (IL0310140): 1 violation recorded with unresolved status in the SDWIS data used. EPA record snapshot: South Palos Twsp Sanitary District, 1 open violation, 2,800 people served.
Data: EPA SDWIS
Service Area Map
Coverage area for South Palos Twsp Sanitary District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with South Palos Twsp Sanitary District have a median household income of $126,220 and about 9,889 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 46% 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?
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
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 | Public Notice | Non-health-based | Resolved |
| July 2, 2025 | LEAD AND COPPER RULE REVISIONS | Non-health-based | Unaddressed (current) |
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Health-based | Resolved |
| October 1, 2024 | Chlorine | Non-health-based | Resolved |
| December 30, 2021 | Lead and Copper Rule | Non-health-based | Resolved |
| July 1, 2021 | Consumer Confidence Rule | Non-health-based | Resolved |
| July 1, 2021 | Consumer Confidence 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 |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Treatment Technique, Monitoring & Reporting | 2 | Yes |
| Consumer Confidence Rule | Other (notice or report rule) | 2 | No |
| Public Notice | Monitoring & Reporting | 1 | No |
| Public Notice | Other (notice or report rule) | 1 | No |
| Chlorine | 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 | 2024-12-31 |
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.
- 60464 - Palos Park
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records 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.