CITY OF FREDERICK: EPA violation history, explained
CITY OF FREDERICK has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 54,000 people get their water from it, across 16,600 connections.
CITY OF FREDERICK's record against the rest of the country
CITY OF FREDERICK has 5 violations on record in total, 2 of thems health-based - ranking it 6,841th of 12,903 systems by violation count, the 47th percentile nationally.
How CITY OF FREDERICK compares within MD
CITY OF FREDERICK's 2 health-based violations sit within the MD average of 3.3, across 93 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for CITY OF FREDERICK is from 2013-01-07 (health-based: 2013-01-07). Last reported to EPA: 05/18/2026.
What kind of problem, specifically
CITY OF FREDERICK'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: Long Term 2 Enhanced Surface Water Treatment Rule
- Disinfection byproducts - flagged from: Total Haloacetic Acids (HAA5)
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
Everything on this page is CITY OF FREDERICK's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and CITY OF FREDERICK's customers' taps is household plumbing, invisible to a system-level record ranked 6,841th of 12,903 by violation count. The guide to what this data misses covers that gap.