Johnson Co Rwd 7, KS Water Quality
What's in Johnson Co Rwd 7's water?
Johnson Co Rwd 7 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 6,457 people get their water from it, across 3,247 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, Johnson Co Rwd 7 ranks 8,575th by violation burden (34th percentile) - 6 violations total, 1 health-based.
How Johnson Co Rwd 7 compares within KS
Among the 155 KS systems in this dataset, the average is 8.7 health-based violations - Johnson Co Rwd 7's 1 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 Johnson Co Rwd 7 is from 2014-01-10 (health-based: 2009-01-02). Last reported to EPA: 05/15/2026.
What kind of problem, specifically
Johnson Co Rwd 7'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 Johnson Co Rwd 7 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 6 logged violations can see. The guide to what this data misses covers that gap.