TELLURIDE, CO · San Miguel County

WILSON MESA Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): CO0157950
System type: Community Water System
Population served: 290
Service connections: 65
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2024 – November 21, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2023 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2019 – August 6, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2019 – July 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2019 – March 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2018 – May 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2018 – June 30, 2018
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 2018 – June 30, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2017 – August 31, 2017
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Benzene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2009 – December 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2008 – March 31, 2008
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 1999 – May 31, 1999
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1997 – June 30, 1997
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 1997 – May 31, 1997
Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Unaddressed
January 1, 2024 – November 21, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2019 – August 6, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2019 – July 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2018 – September 30, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2018 – May 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
August 1, 2017 – August 31, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Benzene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
May 1, 1999 – May 31, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
June 1, 1997 – June 30, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
May 1, 1997 – May 31, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

July 31, 2025State Public Notification requested45 linked violations
April 24, 2025State Violation/Reminder Notice6 linked violations
April 24, 2025State Public Notification requested4 linked violations
April 24, 2025State Violation/Reminder Notice1 linked violation
December 26, 2024State Public Notification requested2 linked violations
December 26, 2024State Public Notification requested1 linked violation
November 21, 2024State Compliance achieved4 linked violations
October 28, 2024State Violation/Reminder Notice2 linked violations
October 28, 2024State Public Notification requested2 linked violations
July 9, 2024State Compliance achieved2 linked violations
June 28, 2024State Public Notification requested2 linked violations
June 28, 2024State Violation/Reminder Notice2 linked violations
February 23, 2024State Public Notification requested3 linked violations
February 23, 2024State Violation/Reminder Notice3 linked violations
February 13, 2024State Compliance achieved6 linked violations
January 23, 2024State Public Notification requested3 linked violations
January 23, 2024State Violation/Reminder Notice3 linked violations
October 17, 2023State Violation/Reminder Notice2 linked violations
October 17, 2023State Public Notification requested2 linked violations
July 11, 2023State Violation/Reminder Notice2 linked violations
September 12, 2019State Public Notification requested4 linked violations
September 12, 2019State Violation/Reminder Notice3 linked violations
August 6, 2019State Compliance achieved4 linked violations
March 20, 2019State Violation/Reminder Notice6 linked violations
March 20, 2019State Public Notification requested3 linked violations
October 22, 2018State Compliance achieved3 linked violations
October 15, 2018State Public Notification requested1 linked violation
October 15, 2018State Violation/Reminder Notice1 linked violation
October 8, 2018State Compliance achieved2 linked violations
October 8, 2018State Compliance achieved3 linked violations
September 17, 2018State Violation/Reminder Notice7 linked violations
August 8, 2018State Public Notification requested5 linked violations
August 8, 2018State Public Notification requested4 linked violations
October 4, 2017State Violation/Reminder Notice1 linked violation
October 4, 2017State Violation/Reminder Notice3 linked violations
October 4, 2017State Public Notification requested2 linked violations
October 4, 2017State Public Notification requested2 linked violations
September 15, 2010State Compliance achieved26 linked violations
May 25, 2010State Public Notification received23 linked violations
February 10, 2010State Violation/Reminder Notice23 linked violations
June 4, 2009State Public Notification requested3 linked violations
June 4, 2009State Public Notification requested4 linked violations
May 9, 2008State Violation/Reminder Notice4 linked violations
April 10, 2008State Compliance achieved8 linked violations
July 16, 1998State Formal Notice of Violation issued2 linked violations
July 16, 1998State Public Notification requested2 linked violations
June 8, 1998State Public Notification requested1 linked violation
July 31, 1997State Public Notification requested1 linked violation
June 10, 1997State Public Notification requested1 linked violation
July 18, 1995State Formal Notice of Violation issued1 linked violation
July 18, 1995State Public Notification requested1 linked violation
June 26, 1995State Formal Notice of Violation issued1 linked violation
June 26, 1995State Public Notification requested2 linked violations
May 12, 1994State Public Notification requested1 linked violation
May 12, 1994State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
November 24, 1993State Public Notification requested3 linked violations
November 24, 1993State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
November 24, 1993State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
November 24, 1993State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
November 24, 1993State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
September 3, 1993State Formal Notice of Violation issued1 linked violation
September 3, 1993State Public Notification requested1 linked violation
August 18, 1993State Formal Notice of Violation issued15 linked violations
August 18, 1993State Formal Notice of Violation issued1 linked violation
August 18, 1993State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
July 30, 1993State Formal Notice of Violation issued1 linked violation
February 18, 1993State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 11, 1992State Formal Notice of Violation issued2 linked violations
December 11, 1992State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 11, 1992State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 12, 1992State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 12, 1992State Public Notification requested1 linked violation

Contact

ELLINWOOD, WILLIAM

970-250-2892

TELLURIDE, CO 81435