Public Water Partners

CORYDON, IA · Wayne County

CORYDON WATER SUPPLY Water System

Consumer Confidence Report status

CORYDON WATER SUPPLY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for CORYDON WATER SUPPLY.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
IA9334078
System type
Community Water System
Population served
1,610
Service connections
850
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

CORYDON WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 1,610 people from surface water.

As of August 1, 2026, its federal record holds 65 entries between 1989 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.

All 65 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, inorganic chemicals, and the Stage 2 Disinfectants and Disinfection Byproducts Rule.

Violation history

  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2019 – October 31, 2019

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    October 1, 1993 – October 31, 1993

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    October 1, 1993 – October 31, 1993

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    October 1, 1993 – October 31, 1993

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    October 1, 1993 – October 31, 1993

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    October 1, 1993 – October 31, 1993

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    July 1, 1993 – September 30, 1993

    Resolved
  • Monitoring, Regular

    Atrazine

    July 1, 1993 – September 30, 1993

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    July 1, 1993 – September 30, 1993

    Resolved
  • Monitoring, Regular

    Toluene

    July 1, 1993 – September 30, 1993

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 1993 – September 30, 1993

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 1993 – September 30, 1993

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 1993 – September 30, 1993

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    April 1, 1993 – June 30, 1993

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 1993 – June 30, 1993

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    April 1, 1993 – June 30, 1993

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    April 1, 1993 – June 30, 1993

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 1993 – June 30, 1993

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 1992 – March 31, 1992

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 1992 – March 31, 1992

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 1992 – March 31, 1992

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    October 1, 1991 – December 31, 1991

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    October 1, 1991 – December 31, 1991

    Resolved
  • Monitoring, Regular

    Toluene

    October 1, 1991 – December 31, 1991

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    October 1, 1991 – December 31, 1991

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    Benzene

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    Toluene

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    Styrene

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    July 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    April 1, 1991 – June 30, 1991

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    April 1, 1991 – April 7, 1992

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Benzene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Toluene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Styrene

    April 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Selenium

    July 1, 1990 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Mercury

    July 1, 1990 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Fluoride

    July 1, 1990 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Chromium

    July 1, 1990 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Cadmium

    July 1, 1990 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Arsenic

    July 1, 1990 – June 30, 1991

    Resolved
  • Monitoring, Regular

    Nitrate

    July 1, 1989 – June 30, 1990

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is CORYDON WATER SUPPLY required to publish a Consumer Confidence Report?

Yes. CORYDON WATER SUPPLY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is CORYDON WATER SUPPLY’s next Consumer Confidence Report due?

CORYDON WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does CORYDON WATER SUPPLY have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for CORYDON WATER SUPPLY.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

CORYDON WATER SUPPLY

641-872-1826

CORYDON, IA 50060