Is ELK CITY's water safe to drink?

ELK CITY has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 10,510 people get their water from it, across 18,240 connections.

Ranked against every other system in this dataset

20 total violations and 1 health-based ones put ELK CITY at the 39th percentile nationally for violation burden, rank 7,827 of 12,903.

How ELK CITY compares within OK

ELK CITY's 1 health-based violations sit within the OK average of 39.5, across 240 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 ELK CITY is from 2024-01-01 (health-based: 1994-01-10). Last reported to EPA: 05/13/2026.

What kind of problem, specifically

ELK CITY'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

ELK CITY'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. Between the utility's meter and ELK CITY's customers' taps is household plumbing, invisible to a system-level record ranked 7,827th of 12,903 by violation count. The guide to what this data misses covers that gap.