Public water system · IN5210005
ActiveIndiana American Water - S. Indiana
At a glance
Indiana American Water - S. Indiana (PWSID IN5210005) is an active community water system in Clark County, Indiana. It reports serving 104,445 people through 41,778 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1980.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
104,445
Service connections
41,778
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Indiana American Water - S. Indiana compare with other water systems in Clark County?
By EPA's size categories, Indiana American Water - S. Indiana is a very large system (more than 100,000 people). Clark County has 11 active public water systems, and Indiana American Water - S. Indiana is the largest of them by population served. Its population served is about 6.2 times the county average of 16,950 people per system, and accounts for 56% of the 186,451 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active community water system reports serving 6,703 people, so Indiana American Water - S. Indiana is about 16 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Indiana has 770 active community water systems, 19% of the state's 3,969 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.
Who owns and regulates Indiana American Water - S. Indiana?
EPA lists Indiana American Water - S. Indiana as privately owned. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 11 active systems in Clark County (27%) are also privately owned.
Does Indiana American Water - S. Indiana have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1980. By type: 1 monitoring and reporting. The contaminant or rule involved is Gross alpha (excluding radon and uranium). EPA lists 1 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1980-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
The one violation in EPA's records.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Indiana American Water - S. Indiana: frequently asked questions
Who runs Indiana American Water - S. Indiana?
Indiana American Water - S. Indiana (PWSID IN5210005) is a community water system privately owned. It is regulated by the IN state drinking water program.
How many people does Indiana American Water - S. Indiana serve?
Indiana American Water - S. Indiana reports serving 104,445 people through 41,778 service connections in Clark County, Indiana.
Where does Indiana American Water - S. Indiana get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Indiana American Water - S. Indiana have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1980. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Indiana American Water - S. Indiana's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1980. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Indiana American Water - S. Indiana's water quality report?
As a community water system, Indiana American Water - S. Indiana must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Clark County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Watson Rural Water Company | Clark | 15,750 | Community | Groundwater |
| Sellersburg Water Department | Clark | 15,655 | Community | Groundwater |
| Borden Tri-County Region | Clark | 11,000 | Community | Surface water |
| Charlestown/River Ridge | Clark | 10,500 | Non-transient non-community | Groundwater |
| Indiana American Water - Charlestown | Clark | 8,658 | Community | Groundwater |
| Rural Membership Water Corp. of Clark Co | Clark | 8,630 | Community | Purchased groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Indiana American Water - S. Indiana, PWSID IN5210005, Indiana”, https://aquacensus.com/water-systems/indiana/indiana-american-water-s-indiana-in5210005 (data as of October 1, 2026).