OGALLALA, CITY OF: EPA violation history, explained
OGALLALA, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 4,878 people get their water from it, across 2,333 connections.
OGALLALA, CITY OF's record against the rest of the country
OGALLALA, CITY OF has 23 violations on record in total, 22 of thems health-based - ranking it 830th of 12,903 systems by violation count, the 94th percentile nationally.
How OGALLALA, CITY OF compares within NE
Among the 64 NE systems in this dataset, the average is 8.9 health-based violations - OGALLALA, CITY OF's 22 is above that. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for OGALLALA, CITY OF is from 2010-01-06 (health-based: 2010-01-06). Last reported to EPA: 06/30/2026.
What kind of problem, specifically
OGALLALA, 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:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Synthetic organic chemicals / pesticides / VOCs - flagged from: Trichloroethylene
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
OGALLALA, 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 23 logged violations can see. The guide to what this data misses covers that gap.