DURHAM, CITY OF: EPA violation history, explained

DURHAM, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 333,490 people get their water from it, across 93,952 connections.

Ranked against every other system in this dataset

DURHAM, CITY OF has 70 violations on record in total, 1 of them health-based - ranking it 7,341th of 12,903 systems by violation count, the 43th percentile nationally.

How DURHAM, CITY OF compares within NC

Among the 360 NC systems in this dataset, the average is 5.7 health-based violations - DURHAM, CITY OF's 1 is at or below 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 DURHAM, CITY OF is from 2023-11-02 (health-based: 2009-01-01). Last reported to EPA: 06/26/2026.

What kind of problem, specifically

DURHAM, 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:

• Disinfection byproducts - flagged from: Total Haloacetic Acids (HAA5)

The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.

What this data is and is not

This is what DURHAM, CITY OF 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 70 logged violations can see. The guide to what this data misses covers that gap.