Middletown Water Department

Water Quality Snapshot: Middletown Water Department

Middletown Water Department is a local-owned community water system that delivers drinking water to 17,700 residents in Middletown, Delaware (New Castle County) through 8,336 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 26 total violations for this system , of which 14 (54%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 9 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 14 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Delaware, EPA tracks 460 public water systems serving 1,083,630 people, with 9,105 cumulative violations and 4,582 health-based violations on record. About 75% of systems in the state carry at least one violation, and state-wide the average per system is 19.8 violations. Statewide, 25 of 35 UCMR5-tested systems have reported PFAS detections (71.4%).

Middletown Water Department's 26 violations sit above the Delaware average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.