What's in SALEM WATER WORKS's water?
SALEM WATER WORKS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 8,200 people through 3,445 service connections.
Ranked against every other system in this dataset
SALEM WATER WORKS has 152 violations on record in total, 59 of thems health-based - ranking it 199th of 12,903 systems by violation count, the 98th percentile nationally.
How SALEM WATER WORKS compares within IN
Among the 283 IN systems in this dataset, the average is 2.9 health-based violations - SALEM WATER WORKS's 59 is above that. 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 SALEM WATER WORKS is from 2025-01-07 (health-based: 2025-01-07). Last reported to EPA: 06/30/2026.
What kind of problem, specifically
SALEM WATER WORKS'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; Revised Total Coliform 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 SALEM WATER WORKS'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 SALEM WATER WORKS's customers' taps is household plumbing, invisible to a system-level record ranked 199th of 12,903 by violation count. The guide to what this data misses covers that gap.