GRUNDY CENTER WATER SUPPLY: EPA violation history, explained

GRUNDY CENTER WATER SUPPLY has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 2,796 people through 1,300 service connections.

Ranked against every other system in this dataset

3 total violations and 1 health-based ones put GRUNDY CENTER WATER SUPPLY at the 30th percentile nationally for violation burden, rank 9,041 of 12,903.

Against the IA average

IA's 203 covered systems average 3.5 health-based violations each; GRUNDY CENTER WATER SUPPLY carries 1, not more than typical for the state. See the lead and copper guide for why lead counts differently.

Most recent violation on record

GRUNDY CENTER WATER SUPPLY's most recent violation on record is dated 2001-01-07, with the most recent health-based one dated 2001-01-07. Last reported to EPA: 06/17/2026.

The concern categories on record

GRUNDY CENTER WATER SUPPLY'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 GRUNDY CENTER WATER SUPPLY's record does not cover

This is what GRUNDY CENTER WATER SUPPLY 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 GRUNDY CENTER WATER SUPPLY's customers' taps is household plumbing, invisible to a system-level record ranked 9,041th of 12,903 by violation count. The guide to what this data misses covers that gap.