GILDFORD, MT · Hill County

GILDFORD COLONY Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Montana’s official records. Always confirm current status with Montana before making decisions based on this information.

System facts

System ID (PWSID): MT0001770
System type: Community Water System
Population served: 70
Service connections: 10
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2020 – February 4, 2021
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2017 – February 7, 2018
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2016 – July 10, 2017
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2015 – September 30, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – October 19, 2015
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Benzene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Toluene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Styrene
January 1, 2014 – December 31, 2016
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2014 – January 23, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2014 – August 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2014 – August 31, 2016
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Barium
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Chromium
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Mercury
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Nickel
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Selenium
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Endrin
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Simazine
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Picloram
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
LASSO
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2014 – December 31, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – July 23, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 1, 2011 – September 27, 2011
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 1, 2011 – September 27, 2011
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – July 28, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Toluene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Benzene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1996 – May 31, 1996
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
December 30, 2020 – February 4, 2021	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
December 30, 2017 – February 7, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2016 – July 10, 2017	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2015 – October 19, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Benzene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Toluene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Styrene	—	Resolved
January 1, 2014 – January 23, 2014	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2014 – August 31, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2014 – August 31, 2016	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Barium	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Chromium	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Mercury	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Nickel	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Selenium	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Endrin	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Simazine	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Picloram	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	LASSO	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2012 – July 23, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 2011 – September 27, 2011	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
September 1, 2011 – September 27, 2011	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
July 1, 2010 – July 28, 2010	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Toluene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Benzene	—	Resolved
May 1, 1996 – May 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

February 4, 2021State Compliance achieved1 linked violation
January 7, 2021State Violation/Reminder Notice1 linked violation
February 7, 2018State Compliance achieved1 linked violation
January 31, 2018State Violation/Reminder Notice1 linked violation
July 10, 2017State Compliance achieved2 linked violations
February 22, 2017State Compliance achieved10 linked violations
February 22, 2017State Compliance achieved1 linked violation
February 22, 2017State Compliance achieved21 linked violations
February 22, 2017State Compliance achieved24 linked violations
February 14, 2017State Violation/Reminder Notice21 linked violations
February 14, 2017State Violation/Reminder Notice23 linked violations
February 14, 2017State Public Notification requested23 linked violations
February 14, 2017State Public Notification requested21 linked violations
February 3, 2017State Public Notification requested1 linked violation
February 3, 2017State Violation/Reminder Notice10 linked violations
February 3, 2017State Violation/Reminder Notice1 linked violation
February 3, 2017State Public Notification requested10 linked violations
October 24, 2016State Violation/Reminder Notice2 linked violations
October 20, 2016State Public Notification requested3 linked violations
October 19, 2015State Compliance achieved1 linked violation
October 7, 2015State Compliance achieved2 linked violations
September 11, 2015State Public Notification requested2 linked violations
September 11, 2015State Violation/Reminder Notice1 linked violation
July 15, 2015State Violation/Reminder Notice1 linked violation
January 23, 2014State Violation/Reminder Notice2 linked violations
July 12, 2012State Violation/Reminder Notice2 linked violations
November 14, 2011State Violation/Reminder Notice1 linked violation
November 14, 2011State Public Notification requested2 linked violations
November 14, 2011State Public Notification requested22 linked violations
October 3, 2011State Compliance achieved22 linked violations
September 27, 2011State Compliance achieved2 linked violations
July 28, 2010State Compliance achieved2 linked violations
January 6, 2009State Compliance achieved9 linked violations
June 29, 2002State Violation/Reminder Notice22 linked violations
June 29, 2002State Public Notification requested23 linked violations
July 18, 1996State Violation/Reminder Notice1 linked violation

Contact

STAHL, PHILIP C

406-945-5658

GILDFORD, MT 59525