BUFFALO WATER SUPPLY

Iowa — Community Water System — PWSID: IA8218050

System Information

PWSID	IA8218050
System Name	BUFFALO 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	BUFFALO
ZIP Code	52728
Address	ATTN WATER SUPT
Organization	BUFFALO WATER SUPPLY
Phone	563-381-3530

Population & Service

Population Served	1,176
Service Connections	450

Drinking Water Violations (63)

This water system has 63 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
Oct 1, 2007	Sep 30, 2016	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Archived	Sep 30, 2016	Inorganic Chemicals
Apr 1, 1997	Apr 30, 1997	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Apr 30, 1997	Nitrate Rule
Apr 1, 1997	Apr 30, 1997	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Apr 30, 1997	Nitrate Rule
Apr 1, 1997	Apr 30, 1997	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Apr 30, 1997	Nitrate Rule
Apr 1, 1997	Apr 30, 1997	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Apr 30, 1997	Nitrate Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1994	Total Coliform Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 26, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 26, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 26, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Aug 26, 1991	Lead and Copper Rule
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 1991	Nitrate Rule
Apr 1, 1988	Mar 31, 1991	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 1991	Nitrate Rule
Apr 1, 1988	Mar 31, 1991	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 1991	Nitrate Rule
Apr 1, 1988	Mar 31, 1991	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 1991	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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