CARBONDALE, CO · Garfield County

THREE MILE TP 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 Colorado’s official records. Always confirm current status with Colorado before making decisions based on this information.

System facts

System ID (PWSID): CO0123742
System type: Community Water System
Population served: 50
Service connections: 20
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2025 – February 8, 2025
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2024 – December 31, 2024
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
May 7, 2023 – May 18, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2021 – August 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2021 – September 16, 2021
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
September 11, 2020 – September 12, 2020
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
July 9, 2016 – August 2, 2016
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2011 – August 31, 2011
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Picloram
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
LASSO
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Endrin
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Diquat
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Endothall
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Simazine
January 1, 2005 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2004 – October 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2003 – February 28, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2003 – January 31, 2003
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – February 8, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate	—	Resolved
May 7, 2023 – May 18, 2023	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
August 1, 2021 – August 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2021 – September 16, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
September 11, 2020 – September 12, 2020	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 9, 2016 – August 2, 2016	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
August 1, 2011 – August 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Picloram	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	LASSO	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Endrin	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Endothall	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Simazine	—	Resolved
October 1, 2004 – October 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
February 1, 2003 – February 28, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2003 – January 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

February 6, 2026State Compliance achieved1 linked violation
January 30, 2026State Compliance achieved1 linked violation
January 30, 2026State Public Notification requested1 linked violation
January 30, 2026State Violation/Reminder Notice1 linked violation
January 30, 2026State Public Notification requested1 linked violation
January 30, 2026State Violation/Reminder Notice1 linked violation
January 30, 2026State Compliance achieved1 linked violation
January 30, 2026State Violation/Reminder Notice1 linked violation
January 30, 2026State Public Notification requested1 linked violation
May 29, 2025State Compliance achieved1 linked violation
February 8, 2025State Compliance achieved1 linked violation
February 7, 2025State Public Notification requested1 linked violation
February 7, 2025State Violation/Reminder Notice1 linked violation
February 6, 2025State Public Notification requested1 linked violation
February 6, 2025State Violation/Reminder Notice1 linked violation
September 18, 2024State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 2, 2024State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 2, 2024State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 18, 2023State Compliance achieved1 linked violation
May 16, 2023State Violation/Reminder Notice1 linked violation
May 11, 2023State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
September 16, 2021State Compliance achieved2 linked violations
September 13, 2021State Violation/Reminder Notice2 linked violations
September 13, 2021State Public Notification requested2 linked violations
September 21, 2020State Public Notification requested1 linked violation
September 21, 2020State Violation/Reminder Notice1 linked violation
September 12, 2020State Compliance achieved1 linked violation
August 2, 2016State Compliance achieved1 linked violation
August 1, 2016State Public Notification requested1 linked violation
August 1, 2016State Violation/Reminder Notice1 linked violation
February 29, 2012State Compliance achieved1 linked violation
August 25, 2011State Public Notification received1 linked violation
August 10, 2011State Public Notification requested1 linked violation
August 10, 2011State Violation/Reminder Notice1 linked violation
May 14, 2009State Compliance achieved31 linked violations
April 7, 2008State Compliance achieved5 linked violations
February 13, 2008State Violation/Reminder Notice31 linked violations
February 13, 2008State Public Notification requested31 linked violations
February 13, 2008State Public Notification requested31 linked violations
February 13, 2008State Violation/Reminder Notice31 linked violations
January 11, 2007State Compliance achieved1 linked violation
April 2, 2003State Public Notification requested3 linked violations
April 2, 2003State Violation/Reminder Notice3 linked violations
June 26, 1995State Formal Notice of Violation issued1 linked violation
June 26, 1995State Public Notification requested1 linked violation
March 30, 1995State Compliance achieved1 linked violation
March 30, 1995State Compliance achieved1 linked violation
March 6, 1995State Public Notification requested1 linked violation
March 6, 1995State Public Notification requested1 linked violation
March 6, 1995State Violation/Reminder Notice1 linked violation
March 6, 1995State Violation/Reminder Notice1 linked violation

Contact

SHALIT, SYDNEY

970-279-1217

CARBONDALE, CO 81623