Southeast Joliet Sd
EPA ID: IL1977490 · 2,000 people served · 7 ZIP codes
Five clean years on EPA record — Southeast Joliet Sd, 2,000 residents served.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 6 (2022) to 33 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Southeast Joliet Sd Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Southeast Joliet Sd serves a community with a median household income of $69,533 and an estimated 133,933 residents across its service area. Approximately 67% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Southeast Joliet Sd'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.
About 1% of homes in Will County, Illinois rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 70th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 3 detections 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
Southeast Joliet Sd (EPA ID: IL1977490) is a community water system in Illinois that serves approximately 2,000 people from groundwater sources.
This system provides water to 7 ZIP codes across 2 communities.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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: 3 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 4 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
- 60421 — Elwood
- 60431 — Joliet
- 60432 — Joliet
- 60433 — Joliet
- 60434 — Joliet
- 60435 — Joliet
- 60436 — Joliet
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Southeast Joliet Sd (IL1977490) on EPA.gov.
Frequently Asked Questions
Is Southeast Joliet Sd water safe to drink?
Based on EPA records, Southeast Joliet Sd has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Southeast Joliet Sd serve?
Southeast Joliet Sd serves approximately 2,000 people across 7 ZIP codes in Illinois.
Where does Southeast Joliet Sd get its water?
The primary water source is groundwater.