Is LISBON WATER SUPPLY's water safe to drink?
LISBON WATER SUPPLY has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,233, over 856 connections.
Ranked against every other system in this dataset
17 total violations and 6 health-based ones put LISBON WATER SUPPLY at the 76th percentile nationally for violation burden, rank 3,149 of 12,903.
Against the IA average
IA's 203 covered systems average 3.5 health-based violations each; LISBON WATER SUPPLY carries 6, more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
LISBON WATER SUPPLY's most recent violation on record is dated 2025-01-07, with the most recent health-based one dated 2007-01-01. Last reported to EPA: 06/17/2026.
The concern categories on record
LISBON WATER SUPPLY'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)
- Nitrate / nitrite - flagged from: Nitrate
- Synthetic organic chemicals / pesticides / VOCs - flagged from: Benzene
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 LISBON WATER SUPPLY's record does not cover
Everything on this page is LISBON WATER SUPPLY's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 6 health-based violations on file for LISBON WATER SUPPLY - 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.