GLASGOW, MT · Valley County

CHERRY CREEK WUA GLASGOW 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): MT0000228
System type: Community Water System
Population served: 180
Service connections: 60
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2025 – November 30, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2025 – October 31, 2025
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2024 – July 14, 2025
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2023 – October 31, 2023
Resolved
Monitoring, Regular
—
Nickel
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Mercury
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Fluoride
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Chromium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Cadmium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Selenium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Thallium, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Antimony, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Barium
January 1, 2023 – December 31, 2025
Archived
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2021 – January 11, 2022
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
October 26, 2021 – December 13, 2021
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
August 5, 2021 – December 13, 2021
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
January 19, 2021 – December 13, 2021
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2021 – December 31, 2021
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2020 – September 27, 2021
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Benzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Toluene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Endrin
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Simazine
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Picloram
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
LASSO
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Diquat
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Endothall
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Nickel
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Antimony, Total
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Beryllium, Total
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Thallium, Total
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 3, 2019 – December 14, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2019 – March 31, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2017 – December 31, 2025
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – July 30, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2012 – January 25, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2011 – August 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2011 – July 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1994 – December 31, 1994
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
November 1, 2025 – November 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2025 – October 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2024 – July 14, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
October 1, 2023 – October 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	Nickel	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Mercury	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Fluoride	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Chromium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Cadmium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Selenium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Thallium, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Antimony, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Barium	—	Archived
December 30, 2021 – January 11, 2022	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 26, 2021 – December 13, 2021	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
August 5, 2021 – December 13, 2021	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 19, 2021 – December 13, 2021	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
October 1, 2020 – September 27, 2021	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Benzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Toluene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Styrene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Endrin	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Simazine	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Picloram	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	LASSO	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Diquat	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Asbestos	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Endothall	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Nickel	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Antimony, Total	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Beryllium, Total	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Thallium, Total	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
December 3, 2019 – December 14, 2020	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
March 1, 2019 – March 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2018 – September 30, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2017 – December 31, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
July 1, 2015 – July 30, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2012 – January 25, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2011 – August 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2011 – July 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 1994 – December 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

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

Enforcement actions

January 24, 2026State Public Notification requested1 linked violation
January 24, 2026State Violation/Reminder Notice1 linked violation
January 24, 2026State Violation/Reminder Notice1 linked violation
January 24, 2026State Public Notification requested1 linked violation
January 22, 2026State Public Notification requested10 linked violations
January 22, 2026State Violation/Reminder Notice10 linked violations
December 22, 2025State Compliance achieved1 linked violation
December 16, 2025State Violation/Reminder Notice1 linked violation
December 16, 2025State Public Notification requested1 linked violation
December 16, 2025State Compliance achieved1 linked violation
November 21, 2025State Public Notification requested1 linked violation
November 21, 2025State Violation/Reminder Notice1 linked violation
July 14, 2025State Compliance achieved22 linked violations
July 14, 2025State Compliance achieved29 linked violations
July 14, 2025State Compliance achieved26 linked violations
July 14, 2025State Compliance achieved32 linked violations
July 14, 2025State Compliance achieved23 linked violations
July 14, 2025State Compliance achieved7 linked violations
July 14, 2025State Compliance achieved23 linked violations
July 14, 2025State Compliance achieved1 linked violation
July 14, 2025State Compliance achieved21 linked violations
July 14, 2025State Compliance achieved23 linked violations
July 14, 2025State Compliance achieved21 linked violations
April 30, 2025State Public Notification received1 linked violation
April 29, 2025State Public Notification received1 linked violation
February 24, 2025State Compliance achieved1 linked violation
January 16, 2025State Public Notification requested1 linked violation
January 16, 2025State Violation/Reminder Notice1 linked violation
December 23, 2024State Violation/Reminder Notice1 linked violation
December 23, 2024State Compliance achieved1 linked violation
December 23, 2024State Public Notification requested1 linked violation
November 7, 2024State Violation/Reminder Notice1 linked violation
November 7, 2024State Public Notification requested1 linked violation
August 22, 2024State Violation/Reminder Notice1 linked violation
August 22, 2024State Public Notification requested1 linked violation
April 11, 2024State Public Notification received1 linked violation
November 24, 2023State Public Notification requested1 linked violation
November 24, 2023State Violation/Reminder Notice1 linked violation
November 19, 2023State Compliance achieved1 linked violation
June 21, 2023State Public Notification requested12 linked violations
June 21, 2023State Violation/Reminder Notice8 linked violations
January 29, 2023State Public Notification requested21 linked violations
January 29, 2023State Violation/Reminder Notice21 linked violations
January 29, 2023State Public Notification requested21 linked violations
January 29, 2023State Violation/Reminder Notice23 linked violations
January 29, 2023State Public Notification requested23 linked violations
January 29, 2023State Violation/Reminder Notice21 linked violations
January 29, 2023State Public Notification requested21 linked violations
January 29, 2023State Violation/Reminder Notice23 linked violations
January 29, 2023State Public Notification requested23 linked violations
January 29, 2023State Violation/Reminder Notice21 linked violations
January 29, 2023State Public Notification requested23 linked violations
January 29, 2023State Violation/Reminder Notice26 linked violations
January 29, 2023State Violation/Reminder Notice25 linked violations
January 29, 2023State Public Notification requested32 linked violations
January 25, 2023State Public Notification requested4 linked violations
January 25, 2023State Violation/Reminder Notice4 linked violations
June 9, 2022State Public Notification received1 linked violation
February 9, 2022State Compliance achieved1 linked violation
February 2, 2022State Public Notification requested1 linked violation
February 2, 2022State Violation/Reminder Notice1 linked violation
January 11, 2022State Compliance achieved1 linked violation
January 4, 2022State Violation/Reminder Notice1 linked violation
December 13, 2021State Compliance achieved1 linked violation
December 13, 2021State Compliance achieved1 linked violation
November 18, 2021State Public Notification requested2 linked violations
September 27, 2021State Compliance achieved2 linked violations
August 26, 2021State Public Notification received2 linked violations
August 17, 2021State Public Notification requested12 linked violations
February 17, 2021State Violation/Reminder Notice1 linked violation
February 17, 2021State Public Notification requested1 linked violation
December 14, 2020State Compliance achieved2 linked violations
October 20, 2020State Violation/Reminder Notice2 linked violations
June 15, 2020State Public Notification received2 linked violations
April 15, 2019State Public Notification requested2 linked violations
April 2, 2019State Compliance achieved2 linked violations
October 15, 2018State Violation/Reminder Notice1 linked violation
July 30, 2015State Compliance achieved1 linked violation
July 15, 2015State Violation/Reminder Notice1 linked violation
May 21, 2012State Public Notification received2 linked violations
October 3, 2011State Compliance achieved2 linked violations
August 12, 2011State Violation/Reminder Notice3 linked violations
August 4, 2011State Public Notification requested3 linked violations

Contact

STANLEY, SCOTT

406-230-0552

GLASGOW, MT 59230