LITTLETON WATER AND LIGHT: EPA violation history, explained
LITTLETON WATER AND LIGHT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 6,500 people get their water from it, across 1,900 connections.
How this compares nationally
LITTLETON WATER AND LIGHT has 79 violations on record in total, 16 of thems health-based - ranking it 1,132th of 12,903 systems by violation count, the 91th percentile nationally.
How LITTLETON WATER AND LIGHT compares within NH
LITTLETON WATER AND LIGHT's 16 health-based violations sit above the NH average of 8.6, across 62 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for LITTLETON WATER AND LIGHT is from 2026-01-01 (health-based: 2006-01-01). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
LITTLETON WATER AND LIGHT'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); Surface Water Treatment Rule
- Disinfection byproducts - flagged from: TTHM
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 LITTLETON WATER AND LIGHT'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 LITTLETON WATER AND LIGHT's customers' taps is household plumbing, invisible to a system-level record ranked 1,132th of 12,903 by violation count. The guide to what this data misses covers that gap.