DrinkingWaterCheck

EL DORADO WATERWORKS: EPA violation history, explained

EL DORADO 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: 17,932, over 8,333 connections.

EL DORADO WATERWORKS's record against the rest of the country

EL DORADO WATERWORKS has 14 violations on record in total, 12 of thems health-based - ranking it 1,658th of 12,903 systems by violation count, the 87th percentile nationally.

How EL DORADO WATERWORKS compares within AR

EL DORADO WATERWORKS's 12 health-based violations sit above the AR average of 7.1, across 243 systems statewide. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for EL DORADO WATERWORKS is from 2025-01-10 (health-based: 2025-01-10). Last reported to EPA: 05/12/2026.

What kind of problem, specifically

EL DORADO 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:

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

This is what EL DORADO WATERWORKS 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 EL DORADO WATERWORKS's customers' taps is household plumbing, invisible to a system-level record ranked 1,658th of 12,903 by violation count. The guide to what this data misses covers that gap.