Indiana American Water - West Lafayette, IN Water Quality
What's in Indiana American Water - West Lafayette's water?
Indiana American Water - West Lafayette has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 35,533 people through 14,213 service connections.
Indiana American Water - West Lafayette's record against the rest of the country
1 total violations and 1 health-based ones put Indiana American Water - West Lafayette at the 29th percentile nationally for violation burden, rank 9,183 of 12,903.
How Indiana American Water - West Lafayette compares within IN
IN's 283 covered systems average 2.9 health-based violations each; Indiana American Water - West Lafayette carries 1, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for Indiana American Water - West Lafayette is from 1993-01-07 (health-based: 1993-01-07). Last reported to EPA: 06/30/2026.
What kind of problem, specifically
Indiana American Water - West Lafayette's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
This is what Indiana American Water - West Lafayette reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Between the utility's meter and Indiana American Water - West Lafayette's customers' taps is household plumbing, invisible to a system-level record ranked 9,183th of 12,903 by violation count. The guide to what this data misses covers that gap.