COMANCHE CO RWD #4: EPA violation history, explained
COMANCHE CO RWD #4 had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 3,000 people get their water from it, across 1,579 connections.
How this compares nationally
65 total violations and 45 health-based ones put COMANCHE CO RWD #4 at the 98th percentile nationally for violation burden, rank 320 of 12,903.
How COMANCHE CO RWD #4 compares within OK
Among the 240 OK systems in this dataset, the average is 39.5 health-based violations - COMANCHE CO RWD #4's 45 is above that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for COMANCHE CO RWD #4 is from 2027-05-09 (health-based: 2025-05-10). Last reported to EPA: 05/13/2026.
What kind of problem, specifically
COMANCHE CO RWD #4'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:
- Lead & copper - flagged from: LEAD AND COPPER RULE REVISIONS
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
This is what COMANCHE CO RWD #4 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 65 logged violations can see. The guide to what this data misses covers that gap.