DrinkingWaterCheck

West Central Rwa - Nish System, IA Water Quality

Is West Central Rwa - Nish System's water safe to drink?

Past violation
1 health-based violation

West Central Rwa - Nish System has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 3,573 people through 1,429 service connections.

West Central Rwa - Nish System's record against the rest of the country

Out of 12,903 systems in this dataset, West Central Rwa - Nish System ranks 7,790th by violation burden (40th percentile) - 22 violations total, 1 health-based.

Against the IA average

Among the 203 IA systems in this dataset, the average is 3.5 health-based violations - West Central Rwa - Nish System's 1 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

West Central Rwa - Nish System's most recent violation on record is dated 2017-01-05, with the most recent health-based one dated 1993-01-07. Last reported to EPA: 06/17/2026.

The concern categories on record

West Central Rwa - Nish System'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:

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 West Central Rwa - Nish System's record does not cover

This is what West Central Rwa - Nish System 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 22 logged violations can see. The guide to what this data misses covers that gap.