BIG BEND RANCH SUBDIVISION

Montana — Community Water System — PWSID: MT0004261

System Information

PWSID	MT0004261
System Name	BIG BEND RANCH SUBDIVISION
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	08
Serves School	No
Wholesaler	No
First Reported	Aug 21, 2006
Last Reported	Jan 5, 2026

Location & Contact

State	Montana
City	GREAT FALLS
ZIP Code	59404
Address	75 SPRING RIDGE DR
Organization	WILKINSON, TIM
Phone	406-788-3741

Population & Service

Population Served	100
Service Connections	68

Drinking Water Violations (512)

This water system has 512 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, 2023	—	Consumer Confidence Rule	Other	No	No	—	—	—	Unaddressed	—	Consumer Confidence Rule
Jul 1, 2023	—	Consumer Confidence Rule	Other	No	No	—	—	—	Unaddressed	—	Consumer Confidence Rule
Oct 1, 2022	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 30, 2023	Lead and Copper Rule
Oct 1, 2022	—	Consumer Confidence Rule	Other	No	No	—	—	—	Unaddressed	—	Consumer Confidence Rule
Oct 1, 2022	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 30, 2023	Lead and Copper Rule
Oct 1, 2022	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 30, 2023	Lead and Copper Rule
Jul 1, 2022	—	Consumer Confidence Rule	Other	No	No	—	—	—	Unaddressed	—	Consumer Confidence Rule
Mar 25, 2022	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Dec 13, 2023	Revised Total Coliform Rule
Mar 25, 2022	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Dec 13, 2023	Revised Total Coliform Rule
Mar 25, 2022	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Dec 13, 2023	Revised Total Coliform Rule
Jan 1, 2021	Dec 31, 2021	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2021	Nitrate Rule
Jan 1, 2021	Dec 31, 2021	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2021	Nitrate Rule
Jan 1, 2021	Dec 31, 2021	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2021	Nitrate Rule
Oct 1, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 31, 2020	Consumer Confidence Rule
Oct 1, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 31, 2020	Consumer Confidence Rule
Oct 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 28, 2018	Consumer Confidence Rule
Oct 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 28, 2018	Consumer Confidence Rule
Oct 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 28, 2018	Consumer Confidence Rule
Oct 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 28, 2018	Consumer Confidence Rule
Oct 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 28, 2018	Consumer Confidence Rule
Oct 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 28, 2018	Consumer Confidence Rule
Oct 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 28, 2018	Consumer Confidence Rule
Jan 1, 2017	Dec 31, 2017	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2017	Dec 31, 2017	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2017	Dec 31, 2017	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2017	Dec 31, 2017	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2017	Dec 31, 2017	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2017	Dec 31, 2017	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2017	Dec 31, 2017	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Nitrate Rule
Jan 1, 2017	Dec 31, 2017	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2017	Nitrate Rule
Oct 1, 2016	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 26, 2019	Lead and Copper Rule
Oct 1, 2016	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 26, 2019	Lead and Copper Rule
Oct 1, 2016	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 26, 2019	Lead and Copper Rule
Oct 1, 2016	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 26, 2019	Lead and Copper Rule
Oct 1, 2016	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 30, 2016	Consumer Confidence Rule
Oct 1, 2016	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 26, 2019	Lead and Copper Rule
Oct 1, 2016	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 26, 2019	Lead and Copper Rule
Oct 1, 2016	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 26, 2019	Lead and Copper Rule
Oct 1, 2016	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 30, 2016	Consumer Confidence Rule
Oct 1, 2016	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 26, 2019	Lead and Copper Rule
Jan 1, 2014	Dec 31, 2016	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2016	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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