LEWIS WATER SUPPLY

Iowa — Community Water System — PWSID: IA1535078

System Information

PWSID	IA1535078
System Name	LEWIS 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	Mar 17, 2026

Location & Contact

State	Iowa
City	LEWIS
ZIP Code	51544
Address	ATTN BRYANT GRIFFEN
Organization	LEWIS WATER SUPPLY
Phone	712-249-3198

Population & Service

Population Served	357
Service Connections	200

Drinking Water Violations (47)

This water system has 47 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Mar 1, 2025	Mar 31, 2025	MCL	Yes	No	14 MG/L	10 mg/L	—	Resolved	Mar 31, 2025	—
Mar 1, 2025	Mar 31, 2025	MCL	Yes	No	14 MG/L	10 mg/L	—	Resolved	Mar 31, 2025	—
Mar 1, 2025	Mar 31, 2025	MCL	Yes	No	14 MG/L	10 mg/L	—	Resolved	Mar 31, 2025	—
Mar 1, 2025	Mar 31, 2025	MCL	Yes	No	14 MG/L	10 mg/L	—	Resolved	Mar 31, 2025	—
Jun 1, 2003	Aug 31, 2003	MCL	Yes	No	13	10 mg/L	—	Resolved	Aug 31, 2003	—
Jun 1, 2003	Aug 31, 2003	MCL	Yes	No	13	10 mg/L	—	Resolved	Aug 31, 2003	—
Jun 1, 2003	Aug 31, 2003	MCL	Yes	No	13	10 mg/L	—	Resolved	Aug 31, 2003	—
Jun 1, 2003	Aug 31, 2003	MCL	Yes	No	13	10 mg/L	—	Resolved	Aug 31, 2003	—
Sep 1, 1998	Sep 30, 1998	MCL	Yes	No	17	10 mg/L	—	Resolved	Sep 30, 1998	—
Sep 1, 1998	Sep 30, 1998	MCL	Yes	No	17	10 mg/L	—	Resolved	Sep 30, 1998	—
Sep 1, 1998	Sep 30, 1998	MCL	Yes	No	17	10 mg/L	—	Resolved	Sep 30, 1998	—
Sep 1, 1998	Sep 30, 1998	MCL	Yes	No	17	10 mg/L	—	Resolved	Sep 30, 1998	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jul 1, 1993	Jul 31, 1993	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1993	—
Jan 1, 1992	Mar 31, 1992	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1992	—
Jan 1, 1992	Mar 31, 1992	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1992	—
Jan 1, 1992	Mar 31, 1992	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1992	—
Jan 1, 1992	Mar 31, 1992	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1992	—
Jan 1, 1992	Mar 31, 1992	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1992	—
Jan 1, 1992	Mar 31, 1992	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1992	—
Jan 1, 1992	Mar 31, 1992	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1992	—
Jan 1, 1992	Mar 31, 1992	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1992	—
Oct 1, 1981	Sep 30, 1982	MCL	Yes	No	23	10 mg/L	10	Archived	Sep 30, 1982	—
Dec 20, 1978	Oct 19, 1980	MCL	Yes	No	18.88	10 mg/L	10	Archived	Oct 19, 1980	—
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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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