BENSON, CITY OF WATER SYSTEM

Arizona — Community Water System — PWSID: AZ0402005

System Information

PWSID	AZ0402005
System Name	BENSON, CITY OF WATER SYSTEM
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	09
Serves School	No
Wholesaler	No
First Reported	Oct 5, 1979
Last Reported	Nov 17, 2025

Location & Contact

State	Arizona
City	BENSON
ZIP Code	85602
Address	120 W 6TH ST
Organization	HAMILTON, BRADLEY J
Phone	520-720-6325

Population & Service

Population Served	5,355
Service Connections	2,423

Drinking Water Violations (250)

This water system has 250 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, 2024	—	Lead and Copper Rule	MR	No	No	—	TT	—	Unaddressed	—	Lead and Copper Rule
Oct 1, 2024	—	Lead and Copper Rule	MR	No	No	—	TT	—	Unaddressed	—	Lead and Copper Rule
Oct 2, 2022	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 19, 2022	Consumer Confidence Rule
Jan 1, 2022	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 8, 2022	Lead and Copper Rule
Jan 1, 2022	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 8, 2022	Lead and Copper Rule
Oct 2, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 6, 2020	Consumer Confidence Rule
Oct 2, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 6, 2020	Consumer Confidence Rule
Jan 1, 2019	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 9, 2022	Lead and Copper Rule
Jan 1, 2019	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 9, 2022	Lead and Copper Rule
Jul 1, 2011	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Aug 11, 2011	Consumer Confidence Rule
Jul 1, 2010	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 1, 2010	Consumer Confidence Rule
Jul 1, 2009	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 10, 2009	Consumer Confidence Rule
Jan 1, 2009	Dec 31, 2017	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2009	Dec 31, 2017	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2017	Arsenic Rule
Jan 1, 2009	Dec 31, 2017	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2009	Dec 31, 2017	Nitrite	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2009	Dec 31, 2017	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2017	Arsenic Rule
Jan 1, 2009	Dec 31, 2017	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2017	Arsenic Rule
Jan 1, 2009	Dec 31, 2017	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals
Jan 1, 2009	Dec 31, 2017	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2017	Inorganic Chemicals

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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