ALCOA WATER SYSTEM: EPA violation history, explained
ALCOA WATER SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 35,238 people get their water from it, across 13,928 connections.
How this compares nationally
Out of 12,903 systems in this dataset, ALCOA WATER SYSTEM ranks 4,328th by violation burden (66th percentile) - 12 violations total, 4 health-baseds.
How ALCOA WATER SYSTEM compares within TN
TN's 318 covered systems average 4.8 health-based violations each; ALCOA WATER SYSTEM carries 4, not more than typical for the state. 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 ALCOA WATER SYSTEM is from 2017-01-04 (health-based: 2017-01-04). Last reported to EPA: 05/14/2026.
What kind of problem, specifically
ALCOA 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: Surface Water Treatment Rule
- Disinfection byproducts - flagged from: 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
This is what ALCOA 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 - 4 health-based violations on file for ALCOA 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.