Mound Pwd
EPA ID: IL1635050 · 1,500 people served · 7 ZIP codes
Five clean years on EPA record — Mound Pwd, 1,500 residents served.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Mound Pwd Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mound Pwd serves a community with a median household income of $60,558 and an estimated 111,710 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.
Environmental Justice Note: 34% 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?
Mound 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.
About 1% of homes in Madison County, Illinois rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 27 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.
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
Mound Pwd (EPA ID: IL1635050) is a community water system in Illinois that serves approximately 1,500 people from groundwater sources.
This system provides water to 7 ZIP codes across 5 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: 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.
- 62040 — Granite City
- 62201 — East Saint Louis
- 62203 — East Saint Louis
- 62204 — East Saint Louis
- 62208 — Fairview Heights
- 62232 — Caseyville
- 62234 — Collinsville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mound Pwd (IL1635050) on EPA.gov.
Frequently Asked Questions
Is Mound Pwd water safe to drink?
Based on EPA records, Mound Pwd has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Mound Pwd serve?
Mound Pwd serves approximately 1,500 people across 7 ZIP codes in Illinois.
Where does Mound Pwd get its water?
The primary water source is groundwater.