THREE FORKS, MT · Gallatin County

THREE FORKS CITY OF 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): MT0000343
System type: Community Water System
Population served: 1,900
Service connections: 940
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2019 – July 22, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2003 – December 31, 2003
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Nickel
January 1, 2002 – February 24, 2004
Resolved
Monitoring, Regular
—
Endrin
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Simazine
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Picloram
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
LASSO
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Nickel
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Nickel
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Methoxychlor
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Dalapon
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
OXAMYL
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Simazine
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Picloram
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Aldicarb sulfone
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Aldicarb
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Atrazine
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Heptachlor
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Heptachlor epoxide
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
2,4-D
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
2,4,5-TP
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Endrin
April 11, 2000 – April 10, 2003
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1997 – June 30, 1997
Resolved
Monitoring, Check/Repeat/Confirmation
—
Arsenic
October 1, 1980 – October 31, 1980
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2019 – July 22, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2002 – February 24, 2004	Monitoring, Regular	Nickel	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Endrin	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Simazine	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Picloram	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	LASSO	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Nickel	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Nickel	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Thallium, Total	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Methoxychlor	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Dalapon	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	OXAMYL	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Simazine	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Picloram	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Aldicarb sulfone	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Aldicarb	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Atrazine	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Heptachlor	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Heptachlor epoxide	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	2,4-D	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	2,4,5-TP	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 11, 2000 – April 10, 2003	Monitoring, Regular	Endrin	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
June 1, 1997 – June 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 1980 – October 31, 1980	Monitoring, Check/Repeat/Confirmation	Arsenic	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

January 31, 2025State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 15, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 15, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 22, 2019State Compliance achieved1 linked violation
July 17, 2019State Violation/Reminder Notice1 linked violation
June 3, 2019State Compliance achieved1 linked violation
February 22, 2019State Public Notification requested1 linked violation
February 22, 2019State Violation/Reminder Notice1 linked violation
May 15, 2009State Compliance achieved1 linked violation
December 13, 2005State Compliance achieved1 linked violation
December 2, 2005State Public Notification requested1 linked violation
December 2, 2005State Violation/Reminder Notice2 linked violations
June 2, 2005State Compliance achieved4 linked violations
April 14, 2005State Violation/Reminder Notice4 linked violations
April 14, 2005State Public Notification requested26 linked violations
April 14, 2005State Violation/Reminder Notice26 linked violations
April 14, 2005State Public Notification requested4 linked violations
April 14, 2005State Violation/Reminder Notice4 linked violations
April 13, 2005State Violation/Reminder Notice1 linked violation
April 6, 2005State Compliance achieved32 linked violations
February 24, 2004State Compliance achieved5 linked violations
February 13, 2004State Compliance achieved26 linked violations
December 9, 2002State Compliance achieved1 linked violation
September 24, 2001State Public Notification requested1 linked violation
September 24, 2001State Violation/Reminder Notice1 linked violation

Contact

TURNER, CRYSTAL

406-285-3431

THREE FORKS, MT 59752