RIDGWAY, CO · San Miguel County

ILIUM VALLEY WS 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): CO0157250
System type: Community Water System
Population served: 322
Service connections: 74
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2023 – December 31, 2023
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
November 6, 2018 – June 25, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2017 – November 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2017 – December 31, 2017
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – June 29, 2017
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2016 – March 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2015 – September 30, 2015
Resolved
Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
January 1, 2015 – October 5, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2014 – April 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2014 – June 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2011 – July 31, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2000 – February 29, 2000
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
November 6, 2018 – June 25, 2019	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
November 1, 2017 – November 30, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2016 – June 29, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
March 1, 2016 – March 31, 2016	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2015 – September 30, 2015	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2015 – October 5, 2016	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
April 1, 2014 – April 30, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2011 – July 31, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2007 – December 31, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 1, 2000 – February 29, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

December 15, 2023State Public Notification requested5 linked violations
January 4, 2018State Public Notification requested2 linked violations
January 4, 2018State Public Notification requested1 linked violation
June 29, 2017State Compliance achieved32 linked violations
October 5, 2016State Compliance achieved3 linked violations
July 22, 2016State Violation/Reminder Notice1 linked violation
July 22, 2016State Public Notification requested1 linked violation
July 22, 2016State Violation/Reminder Notice1 linked violation
May 6, 2016State Public Notification requested1 linked violation
June 6, 2014State Public Notification requested1 linked violation
June 6, 2014State Public Notification requested1 linked violation
September 6, 2011State Violation/Reminder Notice3 linked violations
September 6, 2011State Violation/Reminder Notice23 linked violations
July 24, 2008State Compliance achieved1 linked violation
March 5, 2008State Public Notification received1 linked violation
February 12, 2008State Compliance achieved2 linked violations
February 5, 2008State Violation/Reminder Notice24 linked violations
December 19, 2007State Violation/Reminder Notice3 linked violations
June 8, 2007State Violation/Reminder Notice3 linked violations
August 4, 2000State Formal Notice of Violation issued2 linked violations
November 30, 1999State Public Notification requested3 linked violations
January 28, 1998State Public Notification requested1 linked violation

Contact

BOLANE, CHRIS

970-318-1803

RIDGWAY, CO 81432