DANVILLE WATERWORKS: EPA violation history, explained
DANVILLE WATERWORKS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 2,810, over 1,169 connections.
Ranked against every other system in this dataset
DANVILLE WATERWORKS has 82 violations on record in total, 65 of thems health-based - ranking it 173th of 12,903 systems by violation count, the 99th percentile nationally.
How DANVILLE WATERWORKS compares within AR
Among the 243 AR systems in this dataset, the average is 7.1 health-based violations - DANVILLE WATERWORKS's 65 is above that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for DANVILLE WATERWORKS is from 2025-01-12 (health-based: 2025-01-12). Last reported to EPA: 05/12/2026.
What kind of problem, specifically
DANVILLE WATERWORKS'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); Interim Enhanced Surface Water Treatment Rule; Long Term 2 Enhanced Surface Water Treatment Rule; Stage 1 Disinfectants and Disinfection Byproducts Rule; Surface Water Treatment Rule
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
- Disinfection byproducts - flagged from: TTHM; Total Haloacetic Acids (HAA5)
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 DANVILLE WATERWORKS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 65 health-based violations on file for DANVILLE WATERWORKS - 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.