Drinking Water Compliance OS

CRESTON, IA · Union County

CRESTON 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)
IA8816089
System type
Community Water System
Population served
7,536
Service connections
3,300
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Treatment Techniques

    Health-based

    Epichlorohydrin

    August 1, 2017 – August 31, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorite

    March 1, 2016 – March 31, 2016

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    October 1, 2011 – November 10, 2011

    Resolved
  • Monitoring, Regular

    Nitrate

    October 1, 2000 – December 31, 2000

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

CRESTON WATER SUPPLY

641-782-5817

CRESTON, IA 50801