MAYNARD WATER SUPPLY

Iowa — Community Water System — PWSID: IA3350059

System Information

PWSID	IA3350059
System Name	MAYNARD 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	MAYNARD
ZIP Code	50655
Address	ATTN DAN HOWARD
Organization	MAYNARD WATER SUPPLY
Phone	319-238-1321

Population & Service

Population Served	476
Service Connections	250

Drinking Water Violations (53)

This water system has 53 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, 2000	Jun 30, 2001	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2001	Arsenic Rule
Jul 1, 2000	Jun 30, 2001	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2001	Arsenic Rule
Jul 1, 2000	Jun 30, 2001	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2001	Arsenic Rule
Jul 1, 2000	Jun 30, 2001	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2001	Arsenic Rule
Jul 1, 2000	Jun 30, 2001	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2001	Arsenic Rule
Jul 1, 2000	Jun 30, 2001	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2001	Arsenic Rule
Jul 1, 2000	Jun 30, 2001	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2001	Arsenic Rule
Jul 1, 2000	Jun 30, 2001	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2001	Arsenic Rule
Apr 1, 1997	Mar 31, 2006	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2006	Arsenic Rule
Apr 1, 1997	Mar 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2006	Arsenic Rule
Apr 1, 1997	Mar 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2006	Arsenic Rule
Apr 1, 1997	Mar 31, 2006	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Apr 1, 1997	Mar 31, 2006	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Mar 31, 2006	Inorganic Chemicals
Aug 1, 1992	Aug 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1992	Total Coliform Rule
Aug 1, 1992	Aug 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1992	Total Coliform Rule
Aug 1, 1992	Aug 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1992	Total Coliform Rule
Apr 1, 1985	Mar 31, 1989	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Mar 31, 1989	Radionuclides and Revised Rad Rule
Apr 1, 1985	Mar 31, 1989	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Mar 31, 1989	Radionuclides and Revised Rad Rule
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	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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