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Public water system record

Corydon Water Supply

Serves Corydon, Wayne County, IA · 1,610 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for Corydon Water Supply in the last ten years.

  • IA9334078
  • CORYDON
  • IA
  • 1,610 served

System profile

Source water Purchased surface water
ZIP 50060
EPA system ID IA9334078

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
3

Key facts

  • Corydon Water Supply buys its water from Rathbun Regional Water Assn (Rathbun).
  • Most recent formal enforcement: compliance order with a penalty by Iowa, June 1992.
  • Record on file since 1989, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 59 lead and 6 unknown out of 851 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
 Nov 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Oct 1, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Oct 1, 2019 Resolved

Full record since 1989

EPA's records for Corydon Water Supply go back to 1989. Before October 19, 2016 they list no health-based violations and 145 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 1
1990s 0 144
October 19, 2016 to 2019 0 2
2020s 0 1

Enforcement actions

Iowa regulators took 1 formal enforcement action against Corydon Water Supply in 1992, filed as 72 records in EPA's data. The most recent was a compliance order with a penalty in June 1992.

Date By Action Violations covered
Jun 11, 1992 Iowa Compliance order with a penalty 72 violations: Trichloroethylene, Styrene, CHLOROBENZENE, 1,1-Dichloroethylene, Xylenes, Total

Where the water comes from

Corydon Water Supply buys its water from Rathbun Regional Water Assn (Rathbun). It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Corydon Water Supply must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Iowa.

Certified drinking water labs by state EPA guidance for private wells