Hardinville Water Company
EPA ID: IL0330020 · 3,403 people served · 1 ZIP code
Hardinville Water Company carries zero EPA violations in five years — a spotless record for a utility serving 3,403 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Hardinville Water Company Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Hardinville Water Company serves a community with a median household income of $69,825 and an estimated 10,441 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.
💧 Where Does Your Water Come From?
Hardinville Water Company'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 2% of homes in Crawford 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. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS).
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
Hardinville Water Company (EPA ID: IL0330020) is a community water system in Illinois that serves approximately 3,403 people from groundwater sources.
This system serves ZIP code 62454 in Robinson.
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
- 62454 — Robinson
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Hardinville Water Company (IL0330020) on EPA.gov.
Frequently Asked Questions
Is Hardinville Water Company water safe to drink?
Based on EPA records, Hardinville Water Company has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Hardinville Water Company serve?
Hardinville Water Company serves approximately 3,403 people across 1 ZIP code in Illinois.
Where does Hardinville Water Company get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.