CHEYENNE WELLS, CO · Cheyenne County

CHEYENNE WELLS TOWN OF 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): CO0109006
System type: Community Water System
Population served: 840
Service connections: 521
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 2020 – June 30, 2020
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
January 10, 2020 – April 6, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2020 – March 31, 2020
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
November 16, 2019 – April 27, 2020
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
October 1, 2019 – December 31, 2019
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
May 16, 2019 – April 27, 2020
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
February 16, 2019 – April 27, 2020
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
November 16, 2018 – April 27, 2020
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Aldicarb sulfone
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Aldicarb
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
LASSO
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
2,4-D
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Benzene
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Styrene
April 1, 2012 – June 30, 2012
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2011 – December 31, 2019
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2008 – December 31, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1995 – December 31, 1995
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
January 10, 2020 – April 6, 2020	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
November 16, 2019 – April 27, 2020	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
May 16, 2019 – April 27, 2020	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
February 16, 2019 – April 27, 2020	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
November 16, 2018 – April 27, 2020	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Aldicarb sulfone	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Aldicarb	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	LASSO	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	2,4-D	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Benzene	—	Resolved
April 1, 2012 – June 30, 2012	Monitoring, Regular	Styrene	—	Resolved
January 1, 2011 – December 31, 2019	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2008 – December 31, 2013	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
December 1, 1995 – December 31, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

November 10, 2020State Compliance achieved2 linked violations
September 23, 2020State Compliance achieved6 linked violations
July 15, 2020State Compliance achieved6 linked violations
May 15, 2020State Public Notification requested3 linked violations
May 15, 2020State Violation/Reminder Notice3 linked violations
May 8, 2020State Public Notification requested2 linked violations
April 27, 2020State Compliance achieved9 linked violations
April 2, 2020State Violation/Reminder Notice4 linked violations
March 18, 2020State Violation/Reminder Notice2 linked violations
February 10, 2020State Public Notification requested3 linked violations
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice4 linked violations
February 10, 2020State Public Notification requested5 linked violations
January 17, 2020State Public Notification requested1 linked violation
January 17, 2020State Violation/Reminder Notice1 linked violation
January 16, 2020State Public Notification requested1 linked violation
January 16, 2020State Violation/Reminder Notice1 linked violation
July 18, 2019State Violation/Reminder Notice3 linked violations
February 4, 2019State Violation/Reminder Notice1 linked violation
February 4, 2019State Public Notification requested1 linked violation
February 4, 2019State Violation/Reminder Notice1 linked violation
February 4, 2019State Public Notification requested1 linked violation
April 20, 2017State Compliance achieved1 linked violation
July 1, 2015State Violation/Reminder Notice1 linked violation
September 2, 2014State Compliance achieved1 linked violation
May 7, 2014State Violation/Reminder Notice1 linked violation
May 7, 2014State Public Notification requested1 linked violation
February 14, 2014State Public Notification requested1 linked violation
February 14, 2014State Violation/Reminder Notice1 linked violation
June 6, 2013State Public Notification received52 linked violations
August 6, 2012State Compliance achieved52 linked violations
August 2, 2012State Public Notification requested21 linked violations
August 2, 2012State Public Notification requested31 linked violations
August 2, 2012State Violation/Reminder Notice31 linked violations
August 2, 2012State Violation/Reminder Notice21 linked violations
May 17, 2011State Compliance achieved1 linked violation
December 30, 2010State Public Notification received2 linked violations
December 6, 2010State Violation/Reminder Notice1 linked violation
February 25, 2009State Compliance achieved1 linked violation
February 4, 2009State Public Notification requested1 linked violation
February 4, 2009State Violation/Reminder Notice1 linked violation
November 17, 2008State Compliance achieved1 linked violation
July 1, 2008State Public Notification received1 linked violation
June 2, 2008State Violation/Reminder Notice1 linked violation
June 2, 2008State Public Notification requested1 linked violation
February 8, 2007State Violation/Reminder Notice2 linked violations
February 22, 2005State Public Notification requested16 linked violations
December 11, 2003State Public Notification requested13 linked violations
October 17, 1999State Public Notification requested4 linked violations
January 10, 1996State Public Notification requested2 linked violations

Contact

KNUDSEN, DEBBIE

719-767-5865

CHEYENNE WELLS, CO 80810