Public water system · IN5279020
ActiveIndiana American Water - West Lafayette
At a glance
Indiana American Water - West Lafayette (PWSID IN5279020) is an active community water system in Tippecanoe County, Indiana. It reports serving 35,533 people through 14,213 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 health-based, and the most recent began in July 1993.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
35,533
Service connections
14,213
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Indiana American Water - West Lafayette compare with other water systems in Tippecanoe County?
By EPA's size categories, Indiana American Water - West Lafayette is a large system (10,001 to 100,000 people). Tippecanoe County has 89 active public water systems, and Indiana American Water - West Lafayette is the 3rd-largest of them by population served. Its population served is about 18 times the county average of 1,976 people per system, and accounts for 20% of the 175,886 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 - West Lafayette is about 5.3 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 - West Lafayette?
EPA lists Indiana American Water - West Lafayette 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. 75 of the 89 active systems in Tippecanoe County (84%) are also privately owned.
Does Indiana American Water - West Lafayette have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in July 1993. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1993-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
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 - West Lafayette: frequently asked questions
Who runs Indiana American Water - West Lafayette?
Indiana American Water - West Lafayette (PWSID IN5279020) is a community water system privately owned. It is regulated by the IN state drinking water program.
How many people does Indiana American Water - West Lafayette serve?
Indiana American Water - West Lafayette reports serving 35,533 people through 14,213 service connections in Tippecanoe County, Indiana.
Where does Indiana American Water - West Lafayette 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 - West Lafayette have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in July 1993. 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 - West Lafayette'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 health-based, and the most recent began in July 1993. 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 - West Lafayette's water quality report?
As a community water system, Indiana American Water - West Lafayette 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 Tippecanoe County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lafayette Water Works | Tippecanoe | 70,835 | Community | Groundwater |
| Purdue Univ. Water Works | Tippecanoe | 50,000 | Community | Groundwater |
| Battle Ground Water District | Tippecanoe | 1,940 | Community | Groundwater |
| Dayton Water Utility | Tippecanoe | 1,420 | Community | Purchased groundwater |
| Family Express #43 Lafayette Sr 25 | Tippecanoe | 1,107 | Transient non-community | Groundwater |
| Family Express #41 Lafayette Us 52 | Tippecanoe | 1,102 | Transient non-community | 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 - West Lafayette, PWSID IN5279020, Indiana”, https://aquacensus.com/water-systems/indiana/indiana-american-water-west-lafayette-in5279020 (data as of October 1, 2026).