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CORYDON WATER SUPPLY

Iowa — Community Water System — PWSID: IA9334078

System Information

PWSIDIA9334078
System NameCORYDON WATER SUPPLY
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityCORYDON
ZIP Code50060
AddressATTN WATER SUPERINTENDENT
OrganizationCORYDON WATER SUPPLY
Phone641-872-1826

Population & Service

Population Served1,610
Service Connections850

Drinking Water Violations (1,350)

This water system has 1,350 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Oct 1, 2019 Oct 31, 2019 TTHM MR No No — 0.080 mg/L — Resolved Oct 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Oct 31, 2019 TTHM MR No No — 0.080 mg/L — Resolved Oct 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Oct 31, 2019 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Oct 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Oct 31, 2019 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Oct 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Oct 31, 2019 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Oct 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Oct 31, 2019 TTHM MR No No — 0.080 mg/L — Resolved Oct 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Oct 31, 2019 TTHM MR No No — 0.080 mg/L — Resolved Oct 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Oct 31, 2019 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Oct 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 1993 Oct 31, 1993 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Xylenes, Total MR No Yes — 10 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Styrene MR No Yes — 0.1 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Benzene MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Styrene MR No Yes — 0.1 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Benzene MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Benzene MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Styrene MR No Yes — 0.1 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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