Drinking Water Compliance OS

WINTHROP, IA · Buchanan County

WINTHROP WATER SUPPLY 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 Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

System facts

System ID (PWSID)
IA1093031
System type
Community Water System
Population served
840
Service connections
380
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Chromium

    April 1, 1988 – March 31, 1991

    Resolved
  • Monitoring, Regular

    Nitrate

    April 1, 1988 – March 31, 1991

    Resolved
  • Monitoring, Regular

    Selenium

    April 1, 1988 – March 31, 1991

    Resolved
  • Monitoring, Regular

    Arsenic

    April 1, 1988 – March 31, 1991

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

WINTHROP WATER SUPPLY

563-920-4416

WINTHROP, IA 50682