What's in CEDAR RAPIDS WATER DEPARTMENT's water?
CEDAR RAPIDS WATER DEPARTMENT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 142,364 people through 54,796 service connections.
CEDAR RAPIDS WATER DEPARTMENT's record against the rest of the country
9 total violations and 3 health-based ones put CEDAR RAPIDS WATER DEPARTMENT at the 59th percentile nationally for violation burden, rank 5,303 of 12,903.
How CEDAR RAPIDS WATER DEPARTMENT compares within IA
CEDAR RAPIDS WATER DEPARTMENT's 3 health-based violations sit within the IA average of 3.5, across 203 systems statewide. 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 CEDAR RAPIDS WATER DEPARTMENT is from 2017-01-09 (health-based: 2009-01-12). Last reported to EPA: 06/17/2026.
What kind of problem, specifically
CEDAR RAPIDS WATER DEPARTMENT'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: Interim Enhanced Surface Water Treatment Rule
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
CEDAR RAPIDS WATER DEPARTMENT'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. This record - 3 health-based violations on file for CEDAR RAPIDS WATER DEPARTMENT - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.