Southwater Inc.
EPA ID: IL0030020 · 2,185 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Southwater Inc. (IL0030020): no EPA violations recorded in the last five years. Across every monitored period in the past five years, Southwater Inc. reported no EPA violations for its service population of 2,185.
Data: EPA SDWIS
Service Area Map
Coverage area for Southwater Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Southwater Inc. serves a community with a median household income of $60,978 and an estimated 1,044 residents across its service area. Approximately 55% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% 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?
Southwater Inc.'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.
Wastewater Proximity Note: This service area ranks in the 70th percentile nationally for proximity to wastewater discharge points.
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
Southwater Inc. (EPA ID: IL0030020) is a community water system in Illinois that serves approximately 2,185 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
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.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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 Southwater Inc. (IL0030020) on EPA.gov.
Frequently Asked Questions
Is Southwater Inc. water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Southwater Inc. in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Southwater Inc. serve?
Southwater Inc. serves approximately 2,185 people across 2 ZIP codes in Illinois.
Where does Southwater Inc. get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Southwater Inc. Water Quality Report, IL. https://zipcheckup.com/water-system/il0030020/
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author = {{ZipCheckup}},
title = {{Southwater Inc. Water Quality Report, IL}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/il0030020/}
}