What's in COWAN B.P.U.'s water?

COWAN B.P.U. has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,550, over 1,054 connections.

Ranked against every other system in this dataset

11 total violations and 1 health-based ones put COWAN B.P.U. at the 37th percentile nationally for violation burden, rank 8,189 of 12,903.

How COWAN B.P.U. compares within TN

Among the 318 TN systems in this dataset, the average is 4.8 health-based violations - COWAN B.P.U.'s 1 is at or below that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

The last violation EPA has on record for COWAN B.P.U. is from 2019-06-07 (health-based: 2009-01-08). Last reported to EPA: 05/14/2026.

What kind of problem, specifically

COWAN B.P.U.'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 COWAN B.P.U. 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 COWAN B.P.U.'s customers' taps is household plumbing, invisible to a system-level record ranked 8,189th of 12,903 by violation count. The guide to what this data misses covers that gap.