BROOMFIELD, CO · Adams County

GREATROCK NORTH WSD 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): CO0101063
System type: Community Water System
Population served: 1,250
Service connections: 500
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2009 – July 31, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2009 – May 31, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2009 – March 31, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2009 – January 31, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2008 – November 30, 2008
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2008 – October 31, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2008 – October 31, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
September 1, 2008 – September 30, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2008 – August 31, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2008 – July 31, 2008
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2008 – July 31, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2006 – October 31, 2006
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2005 – August 31, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – November 26, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2002 – June 30, 2002
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2009 – July 31, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2009 – May 31, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2009 – March 31, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2009 – January 31, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2008 – November 30, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2008 – October 31, 2008	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2008 – October 31, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
September 1, 2008 – September 30, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2008 – August 31, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2008 – July 31, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2008 – July 31, 2008	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2006 – October 31, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2005 – August 31, 2005	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2003 – November 26, 2003	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2002 – June 30, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 18, 2011State Compliance achieved1 linked violation
August 9, 2011State Violation/Reminder Notice1 linked violation
January 11, 2010State Compliance achieved16 linked violations
October 14, 2009State Public Notification received1 linked violation
September 22, 2009State Compliance achieved1 linked violation
August 31, 2009State Administrative/Compliance Order without penalty issued16 linked violations
August 28, 2009State Public Notification requested1 linked violation
August 28, 2009State Violation/Reminder Notice1 linked violation
August 27, 2009State Public Notification requested1 linked violation
August 27, 2009State Violation/Reminder Notice1 linked violation
July 30, 2009State Violation/Reminder Notice1 linked violation
July 30, 2009State Public Notification requested1 linked violation
July 6, 2009State Public Notification requested1 linked violation
July 6, 2009State Violation/Reminder Notice1 linked violation
July 6, 2009State Public Notification requested1 linked violation
July 6, 2009State Violation/Reminder Notice1 linked violation
June 1, 2009State Violation/Reminder Notice1 linked violation
June 1, 2009State Public Notification requested1 linked violation
April 28, 2009State Public Notification requested1 linked violation
April 28, 2009State Public Notification requested1 linked violation
April 28, 2009State Violation/Reminder Notice1 linked violation
April 28, 2009State Violation/Reminder Notice1 linked violation
February 27, 2009State Public Notification requested1 linked violation
February 27, 2009State Violation/Reminder Notice1 linked violation
February 2, 2009State Public Notification requested1 linked violation
February 2, 2009State Violation/Reminder Notice1 linked violation
January 2, 2009State Violation/Reminder Notice1 linked violation
January 2, 2009State Public Notification requested1 linked violation
November 26, 2008State Public Notification requested1 linked violation
November 26, 2008State Violation/Reminder Notice1 linked violation
November 26, 2008State Violation/Reminder Notice1 linked violation
November 26, 2008State Public Notification requested1 linked violation
November 17, 2008State Compliance achieved1 linked violation
October 28, 2008State Public Notification requested1 linked violation
October 28, 2008State Violation/Reminder Notice1 linked violation
October 3, 2008State Public Notification requested1 linked violation
October 3, 2008State Violation/Reminder Notice1 linked violation
August 26, 2008State Violation/Reminder Notice1 linked violation
August 26, 2008State Public Notification requested1 linked violation
August 26, 2008State Compliance achieved1 linked violation
August 21, 2008State Violation/Reminder Notice1 linked violation
August 21, 2008State Public Notification requested1 linked violation
May 28, 2008State Public Notification received1 linked violation
May 2, 2008State Violation/Reminder Notice1 linked violation
May 2, 2008State Public Notification requested1 linked violation
April 4, 2008State Compliance achieved6 linked violations
December 11, 2007State Compliance achieved1 linked violation
December 5, 2006State Violation/Reminder Notice2 linked violations
November 26, 2003State Compliance achieved1 linked violation
October 31, 2003State Violation/Reminder Notice1 linked violation

Contact

JOHNSON, LISA

303-439-6029

BROOMFIELD, CO 80021