Drinking Water Compliance OS

HAMMOND, IN · Lake County

HAMMOND WATER WORKS DEPARTMENT Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Indiana’s official records. Always confirm current status with Indiana before making decisions based on this information.

System facts

System ID (PWSID)
IN5245020
System type
Community Water System
Population served
78,384
Service connections
24,115
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 30, 1980 – September 29, 1980

    Archived
  • Monitoring, Regular

    Arsenic

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Barium

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Fluoride

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Nitrate

    October 1, 1979 – October 31, 1979

    Archived
  • Monitoring, Regular

    Selenium

    October 1, 1979 – October 31, 1979

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

MCLAUGHLIN, MARK

219-853-6427

HAMMOND, IN 46320