CHOTEAU, MT · Teton County

NEW ROCKPORT COLONY INC 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): MT0001776
System type: Community Water System
Population served: 160
Service connections: 5
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2022 – December 31, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – April 21, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2020 – October 18, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2020 – April 21, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – April 21, 2022
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2019 – September 8, 2020
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2017 – August 31, 2020
Resolved
Monitoring and Reporting (DBP)
—
TTHM
September 1, 2017 – August 31, 2020
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2017 – December 23, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – August 25, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2005 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2002 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1993 – November 30, 1993
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
September 1, 1993 – September 30, 1993
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 1992 – July 31, 1992
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2022 – December 31, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2021 – April 21, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 30, 2020 – October 18, 2024	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2020 – April 21, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2020 – April 21, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2019 – September 8, 2020	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 1, 2017 – August 31, 2020	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2017 – August 31, 2020	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2017 – December 23, 2019	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 1, 2008 – August 25, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
November 1, 1993 – November 30, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 1993 – September 30, 1993	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 1992 – July 31, 1992	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

February 3, 2025State Compliance achieved3 linked violations
February 3, 2025State Public Notification requested3 linked violations
February 3, 2025State Violation/Reminder Notice2 linked violations
October 18, 2024State Compliance achieved1 linked violation
April 21, 2022State Compliance achieved1 linked violation
April 21, 2022State Compliance achieved3 linked violations
April 21, 2022State Compliance achieved1 linked violation
August 23, 2021State Compliance achieved3 linked violations
January 7, 2021State Violation/Reminder Notice1 linked violation
October 19, 2020State Public Notification requested3 linked violations
October 19, 2020State Violation/Reminder Notice2 linked violations
September 8, 2020State Compliance achieved2 linked violations
July 20, 2020State Violation/Reminder Notice1 linked violation
January 22, 2020State Public Notification requested2 linked violations
December 23, 2019State Compliance achieved1 linked violation
October 23, 2019State Violation/Reminder Notice1 linked violation
October 23, 2019State Public Notification requested1 linked violation
November 17, 2014State Violation/Reminder Notice1 linked violation
November 17, 2014State Public Notification requested1 linked violation
October 14, 2014State Compliance achieved1 linked violation
August 17, 2008State Violation/Reminder Notice1 linked violation
April 14, 2008State Public Notification received7 linked violations
February 13, 2008State Public Notification requested4 linked violations

Contact

WIPF, PAUL S

406-466-5925

CHOTEAU, MT 59422