REGIONAL WATER

Iowa — Community Water System — PWSID: IA8300184

System Information

PWSID	IA8300184
System Name	REGIONAL WATER
System Type	Community Water System
Water Source	Surface Water Purchased
Activity Status	Active
Owner Type	Private
EPA Region	07
Serves School	No
Wholesaler	No
First Reported	Mar 4, 1980
Last Reported	Dec 19, 2025

Location & Contact

State	Iowa
City	AVOCA
ZIP Code	51521
Address	ATTN STEVE NEVINS WATER SUPER
Organization	REGIONAL WATER
Phone	712-343-2413

Population & Service

Population Served	4,132
Service Connections	1,700

Drinking Water Violations (36)

This water system has 36 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
Jul 1, 2017	Jul 31, 2017	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Jul 31, 2017	Ground Water Rule
Jul 1, 2017	Jul 31, 2017	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Jul 31, 2017	Ground Water Rule
Jul 1, 2017	Jul 31, 2017	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Jul 31, 2017	Ground Water Rule
Jul 1, 2017	Jul 31, 2017	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Jul 31, 2017	Ground Water Rule
Jul 1, 2009	Jul 31, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2009	Total Coliform Rule
Jul 1, 2009	Jul 31, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2009	Total Coliform Rule
Jul 1, 2009	Jul 31, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2009	Total Coliform Rule
Jul 1, 2009	Jul 31, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2009	Total Coliform Rule
Jul 1, 2009	Jul 31, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2009	Total Coliform Rule
Oct 1, 2001	Sep 30, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2002	Arsenic Rule
Oct 1, 2001	Sep 30, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2002	Arsenic Rule
Oct 1, 2001	Sep 30, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2002	Arsenic Rule
Oct 1, 2001	Sep 30, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2002	Arsenic 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
Jun 1, 1995	Jun 30, 1995	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 1995	Nitrate Rule
Jun 1, 1995	Jun 30, 1995	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 1995	Nitrate Rule
Jun 1, 1995	Jun 30, 1995	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 1995	Nitrate Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Jan 1, 1995	Jan 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 1995	Total Coliform Rule
Sep 1, 1994	Sep 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 1994	Total Coliform Rule
Sep 1, 1994	Sep 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 1994	Total Coliform Rule
Sep 1, 1994	Sep 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 1994	Total Coliform Rule
Jul 1, 1994	Jun 30, 1995	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 1995	Nitrate Rule
Jul 1, 1994	Jun 30, 1995	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 1995	Nitrate Rule
Jul 1, 1994	Jun 30, 1995	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 1995	Nitrate Rule
Jul 1, 1992	Jun 30, 1995	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Jun 30, 1995	Inorganic Chemicals
Jul 1, 1992	Jun 30, 1995	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Jun 30, 1995	Inorganic Chemicals
Jul 1, 1992	Jun 30, 1995	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Jun 30, 1995	Inorganic Chemicals
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—

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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