Is CITY OF HAMMOND WATER SYSTEM's water safe to drink?
CITY OF HAMMOND WATER SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 21,135, over 7,049 connections.
Ranked against every other system in this dataset
CITY OF HAMMOND WATER SYSTEM has 13 violations on record in total, 10 of thems health-based - ranking it 2,016th of 12,903 systems by violation count, the 84th percentile nationally.
Against the LA average
CITY OF HAMMOND WATER SYSTEM's 10 health-based violations sit within the LA average of 12.6, across 347 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
CITY OF HAMMOND WATER SYSTEM's most recent violation on record is dated 2016-01-09, with the most recent health-based one dated 2016-01-09. Last reported to EPA: 06/23/2026.
The concern categories on record
CITY OF HAMMOND WATER SYSTEM'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)
- Synthetic organic chemicals / pesticides / VOCs - flagged from: Chlorine dioxide
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 HAMMOND WATER SYSTEM's record does not cover
This is what CITY OF HAMMOND WATER SYSTEM 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. This record - 10 health-based violations on file for CITY OF HAMMOND WATER SYSTEM - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.