What's in OTTAWA, CITY OF's water?
OTTAWA, CITY OF had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 12,604 people through 5,341 service connections.
Ranked against every other system in this dataset
6 total violations and 3 health-based ones put OTTAWA, CITY OF at the 58th percentile nationally for violation burden, rank 5,484 of 12,903.
How OTTAWA, CITY OF compares within KS
Among the 152 KS systems in this dataset, the average is 8.7 health-based violations - OTTAWA, CITY OF's 3 is at or below that. 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 OTTAWA, CITY OF is from 2024-01-07 (health-based: 2024-01-07). Last reported to EPA: 05/15/2026.
What kind of problem, specifically
OTTAWA, CITY OF'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:
- Disinfection byproducts - flagged from: Total Haloacetic Acids (HAA5)
The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.
What this data is and is not
OTTAWA, CITY OF's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 6 logged violations can see. The guide to what this data misses covers that gap.