BOZEMAN, MT · Gallatin County

GALLATIN VILLAGE MOB HM PARK Water System

Current status

3 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): MT0000627
System type: Community Water System
Population served: 100
Service connections: 35
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2025 – February 28, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2023 – December 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2022 – May 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2022 – August 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2022 – August 31, 2022
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
LASSO
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Dalapon
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Simazine
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Picloram
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Aldicarb
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Atrazine
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
LASSO
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
2,4-D
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Chlordane
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Endrin
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Dalapon
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Simazine
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Picloram
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Nickel
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Aldicarb
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Atrazine
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
2,4-D
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Chlordane
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Benzene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Toluene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Styrene
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Nickel
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Thallium, Total
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Antimony, Total
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Beryllium, Total
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Antimony, Total
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Beryllium, Total
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
Endrin
January 1, 2005 – December 31, 2007
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2005 – December 31, 2007
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2003 – December 16, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003
Addressed
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2003 – December 31, 2003
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2002 – December 16, 2005
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
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
—
Heptachlor
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Methoxychlor
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
—
Dinoseb
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chromium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Mercury
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Barium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chromium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Mercury
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Nickel
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
—
Selenium
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
—
Picloram
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2002 – December 31, 2004
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2001 – December 16, 2005
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2000 – December 16, 2005
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Picloram
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
LASSO
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Mercury
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Diquat
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1999 – December 31, 1999
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Endrin
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1997 – August 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1997 – April 30, 1997
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1997
Addressed
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1997 – January 31, 1997
Archived
Monitoring, Regular
—
Nitrate
January 1, 1997 – December 31, 1997
Archived
Monitoring, Regular
—
Nitrate
January 1, 1996 – December 31, 1996
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1996
Addressed

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)Addressed corrective action reported, pending final confirmation

Period	Violation	Contaminant / rule	Health-based	Status
February 1, 2025 – February 28, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2023 – December 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
May 1, 2022 – May 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2022 – August 31, 2022	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2022 – August 31, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	LASSO	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dalapon	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Simazine	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Picloram	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb sulfoxide	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Atrazine	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	LASSO	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4-D	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Chlordane	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Endrin	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dalapon	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Simazine	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Picloram	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Nickel	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb sulfoxide	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Atrazine	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4-D	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Chlordane	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Benzene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Toluene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Styrene	—	Archived
January 1, 2005 – March 31, 2005	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Nickel	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Thallium, Total	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Antimony, Total	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Beryllium, Total	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Antimony, Total	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Beryllium, Total	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Endrin	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	BHC-GAMMA	—	Archived
October 1, 2003 – December 16, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Addressed
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate-Nitrite	—	Archived
October 1, 2002 – December 16, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	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	Heptachlor	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Methoxychlor	—	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	Dinoseb	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chromium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Mercury	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Barium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chromium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Mercury	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Nickel	—	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	Selenium	—	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	Picloram	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chlordane	—	Resolved
October 1, 2001 – December 16, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2000 – December 16, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Picloram	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	LASSO	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Mercury	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Diquat	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Endrin	—	Resolved
August 1, 1997 – August 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1997 – April 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1997	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Addressed
January 1, 1997 – January 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate	—	Archived
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nitrate	—	Archived
January 1, 1996	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Addressed

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)Addressed corrective action reported, pending final confirmation

Enforcement actions

March 27, 2025State Compliance achieved2 linked violations
March 17, 2025State Violation/Reminder Notice2 linked violations
January 29, 2024State Compliance achieved1 linked violation
January 23, 2024State Public Notification requested2 linked violations
August 16, 2023State Compliance achieved3 linked violations
October 20, 2022State Public Notification requested3 linked violations
July 8, 2022State Public Notification requested2 linked violations
June 28, 2022State Public Notification received2 linked violations
May 26, 2006State Compliance achieved6 linked violations
March 1, 2006State Other6 linked violations
February 14, 2006State Compliance achieved4 linked violations
February 10, 2006State Violation/Reminder Notice2 linked violations
February 10, 2006State Violation/Reminder Notice1 linked violation
February 10, 2006State Public Notification requested2 linked violations
February 10, 2006State Violation/Reminder Notice2 linked violations
December 16, 2005State Compliance achieved6 linked violations
October 8, 2005State Public Notification received27 linked violations
October 8, 2005State Public Notification received1 linked violation
October 8, 2005State Public Notification received2 linked violations
October 8, 2005State Public Notification received2 linked violations
October 8, 2005State Public Notification received27 linked violations
September 27, 2005State Violation/Reminder Notice3 linked violations
July 6, 2005State Compliance achieved37 linked violations
April 14, 2005State Public Notification requested10 linked violations
April 14, 2005State Violation/Reminder Notice28 linked violations
April 14, 2005State Public Notification requested38 linked violations
April 14, 2005State Violation/Reminder Notice33 linked violations
April 14, 2005State Violation/Reminder Notice11 linked violations
April 13, 2005State Violation/Reminder Notice3 linked violations
April 13, 2005State Public Notification requested7 linked violations
April 13, 2005State Violation/Reminder Notice3 linked violations
April 13, 2005State Public Notification requested3 linked violations
April 7, 2005State Compliance achieved44 linked violations
April 6, 2005State Compliance achieved7 linked violations
January 27, 2005State Other2 linked violations
December 22, 2004State Administrative/Compliance Order with penalty issued187 linked violations
September 16, 2004State Other205 linked violations
February 24, 2004State Compliance achieved1 linked violation
December 10, 2003State Compliance achieved1 linked violation
July 18, 2003State Compliance achieved2 linked violations
September 21, 2002State Violation/Reminder Notice4 linked violations
July 25, 2002State Public Notification requested9 linked violations
July 12, 2002State Violation/Reminder Notice12 linked violations
July 12, 2002State Public Notification requested11 linked violations
July 5, 2002State Violation/Reminder Notice34 linked violations
July 5, 2002State Public Notification requested35 linked violations
June 29, 2002State Public Notification requested38 linked violations
June 7, 2002State Compliance achieved1 linked violation
April 19, 2002State Public Notification requested1 linked violation
April 19, 2002State Violation/Reminder Notice1 linked violation
October 4, 2001State Public Notification requested1 linked violation
October 4, 2001State Violation/Reminder Notice1 linked violation
September 24, 2001State Public Notification requested1 linked violation
September 24, 2001State Public Notification requested1 linked violation
September 24, 2001State Violation/Reminder Notice1 linked violation
September 24, 2001State Violation/Reminder Notice1 linked violation
December 31, 2000State Formal Notice of Violation issued1 linked violation
December 31, 2000State Compliance achieved15 linked violations
December 31, 2000State Other7 linked violations
June 19, 2000State Public Notification requested7 linked violations
April 3, 1999State Public Notification requested1 linked violation
April 3, 1999State Violation/Reminder Notice1 linked violation
May 29, 1997State Violation/Reminder Notice3 linked violations
February 27, 1997State Violation/Reminder Notice9 linked violations

Contact

ASPEN PROPERTIES

406-587-3261

BOZEMAN, MT 59715