Indiana American Water - Sullivan
EPA ID: IN5277009 · 6,598 people served · 11 ZIP codes
For the full five-year period covered by EPA monitoring, Indiana American Water - Sullivan has supplied tap water to 6,598 residents with no violations of any type on record.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Indiana American Water - Sullivan Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Indiana American Water - Sullivan serves a community with a median household income of $56,201 and an estimated 101,421 residents across its service area. Approximately 70% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 57% 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?
Indiana American Water - Sullivan'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 Vigo County, Indiana 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 67th percentile nationally for proximity to wastewater discharge points.
Superfund Proximity Note: This service area ranks in the 75th 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. 24 detections recorded. 8 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Comparable Water Systems
Similar-sized systems in Indiana
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
Indiana American Water - Sullivan (EPA ID: IN5277009) is a community water system in Indiana that serves approximately 6,598 people from groundwater sources.
This system provides water to 11 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: 1 ZIP code confirmed via EPA Community Water System Service Area Boundaries v3 plus 10 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.
- 47801 — Terre Haute
- 47802 — Terre Haute
- 47803 — Terre Haute
- 47804 — Terre Haute
- 47805 — Terre Haute
- 47807 — Terre Haute
- 47808 — Terre Haute
- 47809 — Terre Haute
- 47811 — Terre Haute
- 47812 — Terre Haute
- 47882 — Sullivan
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Indiana American Water - Sullivan (IN5277009) on EPA.gov.
Frequently Asked Questions
Is Indiana American Water - Sullivan water safe to drink?
Based on EPA records, Indiana American Water - Sullivan has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Indiana American Water - Sullivan serve?
Indiana American Water - Sullivan serves approximately 6,598 people across 11 ZIP codes in Indiana.
Where does Indiana American Water - Sullivan get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
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.
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.