WINDSOR, CO · Larimer County

SUNSET WD 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): CO0135726
System type: Community Water System
Population served: 425
Service connections: 176
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2019 – August 27, 2020
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2013 – December 31, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – January 26, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2004 – February 29, 2004
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2019 – August 27, 2020	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2010 – January 26, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 1, 2004 – February 29, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

October 30, 2019State Violation/Reminder Notice2 linked violations
August 8, 2019State Violation/Reminder Notice10 linked violations
May 13, 2019State Violation/Reminder Notice2 linked violations
May 13, 2019State Violation/Reminder Notice2 linked violations
February 10, 2017State Violation/Reminder Notice2 linked violations
February 10, 2017State Public Notification requested2 linked violations
August 18, 2015State Compliance achieved1 linked violation
August 17, 2015State Compliance achieved2 linked violations
April 7, 2015State Public Notification requested2 linked violations
February 19, 2015State Public Notification requested2 linked violations
February 19, 2015State Violation/Reminder Notice2 linked violations
November 13, 2013State Public Notification requested2 linked violations
November 13, 2013State Violation/Reminder Notice5 linked violations
November 13, 2013State Public Notification requested3 linked violations
March 27, 2012State Public Notification received5 linked violations
August 6, 2010State Violation/Reminder Notice3 linked violations
August 7, 2009State Violation/Reminder Notice2 linked violations
August 7, 2009State Public Notification requested2 linked violations
August 7, 2009State Violation/Reminder Notice4 linked violations
August 7, 2009State Public Notification requested1 linked violation
April 30, 2009State Public Notification requested3 linked violations
April 30, 2009State Violation/Reminder Notice2 linked violations
October 10, 2007State Violation/Reminder Notice9 linked violations
June 3, 2004State Public Notification received5 linked violations
October 2, 2002State Public Notification requested1 linked violation
September 3, 2002State Public Notification requested5 linked violations

Contact

DIBBLE, SEAN D

406-361-5633

WINDSOR, CO 80550