GRADY CO RWD #7 (NINNEKAH): EPA violation history, explained
GRADY CO RWD #7 (NINNEKAH) had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 2,425 people get their water from it, across 1,225 connections.
GRADY CO RWD #7 (NINNEKAH)'s record against the rest of the country
GRADY CO RWD #7 (NINNEKAH) has 21 violations on record in total, 9 of thems health-based - ranking it 2,190th of 12,903 systems by violation count, the 83th percentile nationally.
Against the OK average
GRADY CO RWD #7 (NINNEKAH)'s 9 health-based violations sit within the OK average of 39.5, across 240 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
GRADY CO RWD #7 (NINNEKAH)'s most recent violation on record is dated 2025-05-10, with the most recent health-based one dated 2025-05-10. Last reported to EPA: 05/13/2026.
The concern categories on record
GRADY CO RWD #7 (NINNEKAH)'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
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Other regulated metals - flagged from: Arsenic
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What GRADY CO RWD #7 (NINNEKAH)'s record does not cover
This is what GRADY CO RWD #7 (NINNEKAH) 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 21 logged violations can see. The guide to what this data misses covers that gap.