ESSEX WATER SUPPLY

Iowa — Community Water System — PWSID: IA7349023

System Information

PWSID	IA7349023
System Name	ESSEX WATER SUPPLY
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	07
Serves School	No
Wholesaler	No
First Reported	Feb 27, 1979
Last Reported	Dec 19, 2025

Location & Contact

State	Iowa
City	ESSEX
ZIP Code	51638
Address	ATTN WATER SUPERINTENDENT
Organization	ESSEX WATER SUPPLY
Phone	712-379-3643

Population & Service

Population Served	722
Service Connections	350

Drinking Water Violations (145)

This water system has 145 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
Feb 1, 2019	Feb 28, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2019	Revised Total Coliform Rule
Feb 1, 2019	Feb 28, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2019	Revised Total Coliform Rule
Feb 1, 2019	Feb 28, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2019	Revised Total Coliform Rule
Feb 1, 2019	Feb 28, 2019	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2019	Revised Total Coliform Rule
Jan 1, 2002	Dec 31, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2002	Arsenic Rule
Jan 1, 2002	Dec 31, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2002	Arsenic Rule
Jan 1, 2002	Dec 31, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2002	Arsenic Rule
Jan 1, 2002	Dec 31, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2002	Arsenic Rule
Nov 1, 1996	Nov 30, 1996	Nitrate	MCL	Yes	No	11.4	10 mg/L	—	Resolved	Nov 30, 1996	Nitrate Rule
Nov 1, 1996	Nov 30, 1996	Nitrate	MCL	Yes	No	11.4	10 mg/L	—	Resolved	Nov 30, 1996	Nitrate Rule
Nov 1, 1996	Nov 30, 1996	Nitrate	MCL	Yes	No	11.4	10 mg/L	—	Resolved	Nov 30, 1996	Nitrate Rule
Nov 1, 1996	Nov 30, 1996	Nitrate	MCL	Yes	No	11.4	10 mg/L	—	Resolved	Nov 30, 1996	Nitrate Rule
Nov 1, 1996	Nov 30, 1996	Nitrate	MCL	Yes	No	11.4	10 mg/L	—	Resolved	Nov 30, 1996	Nitrate Rule
Jul 1, 1996	Jul 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1996	Total Coliform Rule
Jul 1, 1996	Jul 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1996	Total Coliform Rule
Jul 1, 1996	Jul 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1996	Total Coliform Rule
Jul 1, 1996	Jul 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1996	Total Coliform Rule
Jul 1, 1996	Jul 31, 1996	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Jul 31, 1996	Nitrate Rule
Jul 1, 1996	Jul 31, 1996	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Jul 31, 1996	Nitrate Rule
Jul 1, 1996	Jul 31, 1996	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Jul 31, 1996	Nitrate Rule
Jul 1, 1996	Jul 31, 1996	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Jul 31, 1996	Nitrate Rule
Jul 1, 1996	Jul 31, 1996	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Jul 31, 1996	Nitrate Rule
Apr 1, 1996	Apr 30, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Apr 30, 1996	Nitrate Rule
Apr 1, 1996	Apr 30, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Apr 30, 1996	Nitrate Rule
Apr 1, 1996	Apr 30, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Apr 30, 1996	Nitrate Rule
Apr 1, 1996	Apr 30, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Apr 30, 1996	Nitrate Rule
Apr 1, 1996	Apr 30, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Apr 30, 1996	Nitrate Rule
Apr 1, 1996	Apr 30, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Apr 30, 1996	Nitrate Rule
Jan 1, 1996	Jan 31, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Jan 31, 1996	Nitrate Rule
Jan 1, 1996	Jan 31, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Jan 31, 1996	Nitrate Rule
Jan 1, 1996	Jan 31, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Jan 31, 1996	Nitrate Rule
Jan 1, 1996	Jan 31, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Jan 31, 1996	Nitrate Rule
Jan 1, 1996	Jan 31, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Jan 31, 1996	Nitrate Rule
Jan 1, 1996	Jan 31, 1996	Nitrate	MCL	Yes	No	12	10 mg/L	—	Resolved	Jan 31, 1996	Nitrate Rule
Dec 1, 1995	Dec 31, 1995		Other	No	No	—	—	—	Archived	Dec 31, 1995	Miscellaneous Other Rules
Dec 1, 1995	Dec 31, 1995		Other	No	No	—	—	—	Archived	Dec 31, 1995	Miscellaneous Other Rules
Dec 1, 1995	Dec 31, 1995		Other	No	No	—	—	—	Archived	Dec 31, 1995	Miscellaneous Other Rules
Dec 1, 1995	Dec 31, 1995		Other	No	No	—	—	—	Archived	Dec 31, 1995	Miscellaneous Other Rules
Oct 1, 1995	Oct 31, 1995	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Oct 31, 1995	Nitrate Rule
Oct 1, 1995	Oct 31, 1995	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Oct 31, 1995	Nitrate Rule
Oct 1, 1995	Oct 31, 1995	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Oct 31, 1995	Nitrate Rule
Oct 1, 1995	Oct 31, 1995	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Oct 31, 1995	Nitrate Rule
Oct 1, 1995	Oct 31, 1995	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Oct 31, 1995	Nitrate Rule
Oct 1, 1995	Oct 31, 1995	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Oct 31, 1995	Nitrate Rule
Oct 1, 1995	Oct 31, 1995	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Oct 31, 1995	Nitrate Rule
May 1, 1995	May 31, 1995	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	May 31, 1995	Nitrate Rule
May 1, 1995	May 31, 1995	Nitrate	MCL	Yes	No	1.2	10 mg/L	—	Resolved	May 31, 1995	Nitrate Rule
May 1, 1995	May 31, 1995	Nitrate	MCL	Yes	No	1.2	10 mg/L	—	Resolved	May 31, 1995	Nitrate Rule
May 1, 1995	May 31, 1995	Nitrate	MCL	Yes	No	1.2	10 mg/L	—	Resolved	May 31, 1995	Nitrate Rule
May 1, 1995	May 31, 1995	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	May 31, 1995	Nitrate Rule

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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