PHILADELPHIA WATER ASSN: EPA violation history, explained
PHILADELPHIA WATER ASSN has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 2,062 people get their water from it, across 800 connections.
Ranked against every other system in this dataset
220 total violations and 4 health-based ones put PHILADELPHIA WATER ASSN at the 70th percentile nationally for violation burden, rank 3,881 of 12,903.
Against the MS average
PHILADELPHIA WATER ASSN's 4 health-based violations sit above the MS average of 3.2, across 349 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
PHILADELPHIA WATER ASSN's most recent violation on record is dated 2012-01-10, with the most recent health-based one dated 2006-01-07. Last reported to EPA: 05/18/2026.
The concern categories on record
PHILADELPHIA WATER ASSN'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: TTHM
The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.
What PHILADELPHIA WATER ASSN's record does not cover
This is what PHILADELPHIA WATER ASSN 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. Between the utility's meter and PHILADELPHIA WATER ASSN's customers' taps is household plumbing, invisible to a system-level record ranked 3,881th of 12,903 by violation count. The guide to what this data misses covers that gap.