Drinking Water Compliance OS

OSSIAN, IA · Winneshiek County

DEERFIELD HEIGHTS ASSOCIATION 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)
IA9630316
System type
Community Water System
Population served
28
Service connections
10
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2014 – April 30, 2014

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2014 – December 31, 2014

    Resolved
  • Operations Report

    No contaminant on record

    June 1, 2013 – June 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2011 – December 31, 2011

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2006 – October 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2006 – September 30, 2006

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – May 2, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2005 – September 30, 2005

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

DEERFIELD HEIGHTS OPERATOR

Phone not on record

OSSIAN, IA 52161