CITY OF PHILADELPHIA: EPA violation history, explained
CITY OF PHILADELPHIA has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 6,921 people through 3,488 service connections.
Ranked against every other system in this dataset
CITY OF PHILADELPHIA has 74 violations on record in total, 3 of thems health-based - ranking it 4,742th of 12,903 systems by violation count, the 63th percentile nationally.
Against the MS average
MS's 349 covered systems average 3.2 health-based violations each; CITY OF PHILADELPHIA carries 3, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
CITY OF PHILADELPHIA's most recent violation on record is dated 2024-01-01, with the most recent health-based one dated 2004-03-09. Last reported to EPA: 05/18/2026.
The concern categories on record
CITY OF PHILADELPHIA'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 CITY OF PHILADELPHIA's record does not cover
Everything on this page is CITY OF PHILADELPHIA's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 74 logged violations can see. The guide to what this data misses covers that gap.