GARDINER, MT · Park County

SPHINX MOUNTAIN MB HM PK 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): MT0003755
System type: Community Water System
Population served: 52
Service connections: 19
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Carbofuran
January 1, 2020 – December 31, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2015 – February 1, 2016
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 1, 2012 – April 28, 2016
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 1, 2012 – April 28, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – September 15, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
July 1, 2010 – September 30, 2010
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2010 – June 28, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 1, 2010 – June 30, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Regular
—
Arsenic
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
April 1, 2006 – April 30, 2006
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
October 1, 2003 – October 21, 2003
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1996 – December 31, 1998
Resolved

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
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbofuran	—	Resolved
December 30, 2015 – February 1, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
December 1, 2012 – April 28, 2016	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
December 1, 2012 – April 28, 2016	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
July 1, 2011 – September 15, 2011	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
April 1, 2010 – June 28, 2010	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring, Regular	Arsenic	—	Resolved
April 1, 2006 – April 30, 2006	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2003 – October 21, 2003	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Arsenic	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Arsenic	—	Resolved

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

Enforcement actions

February 7, 2023State Compliance achieved2 linked violations
February 7, 2023State Compliance achieved2 linked violations
February 7, 2023State Compliance achieved2 linked violations
January 29, 2023State Violation/Reminder Notice2 linked violations
January 29, 2023State Public Notification requested2 linked violations
January 29, 2023State Violation/Reminder Notice4 linked violations
January 29, 2023State Public Notification requested2 linked violations
January 29, 2023State Violation/Reminder Notice3 linked violations
January 29, 2023State Violation/Reminder Notice2 linked violations
January 29, 2023State Violation/Reminder Notice2 linked violations
January 29, 2023State Public Notification requested2 linked violations
April 28, 2016State Compliance achieved3 linked violations
January 15, 2013State Public Notification requested3 linked violations
November 3, 2011Federal Compliance achieved6 linked violations
September 15, 2011State Compliance achieved3 linked violations
August 1, 2011State Violation/Reminder Notice2 linked violations
October 21, 2010State Violation/Reminder Notice3 linked violations
September 23, 2010Federal Final Administrative Order issued3 linked violations
September 9, 2009Federal Final Administrative Order issued6 linked violations
July 31, 2009State Public Notification requested23 linked violations
April 28, 2009State Other39 linked violations
May 12, 2008State Compliance achieved27 linked violations
April 14, 2006State Violation/Reminder Notice51 linked violations
October 21, 2003State Boil Water Order27 linked violations

Contact

BROZOVSKY, NEWMAN V

406-848-9200

GARDINER, MT 59030