Is ALLENSPARK WSD required to publish a Consumer Confidence Report?

Yes. ALLENSPARK WSD is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is ALLENSPARK WSD’s next Consumer Confidence Report due?

ALLENSPARK WSD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

ALLENSPARK, CO · Boulder County

ALLENSPARK WSD Water System

Consumer Confidence Report status

ALLENSPARK WSD must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for ALLENSPARK WSD.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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): CO0107115
System type: Community Water System
Population served: 340
Service connections: 122
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

ALLENSPARK WSD is one of 1,060 community water systems in Colorado in the 500 or fewer people size category, serving 340 people from surface water.

As of August 1, 2026, its federal record holds 20 entries between 2002 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.

Of the 20, 15 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Surface Water Treatment Rules, the Public Notice Rule and Revised PN Rule, and the Lead and Copper Rule.

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2022 – February 28, 2022
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
July 6, 2021 – August 5, 2021
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
December 1, 2020 – September 17, 2021
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
July 6, 2020 – August 5, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
August 10, 2017 – September 29, 2021
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
August 5, 2017 – September 29, 2021
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 2017 – May 31, 2017
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2017 – October 3, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2017 – April 30, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2017 – April 30, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2017 – January 31, 2017
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2014 – August 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
March 1, 2009 – March 31, 2009
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
February 1, 2009 – February 28, 2009
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
October 1, 2008 – October 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Chromium
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2002 – December 31, 2004
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
February 1, 2022 – February 28, 2022	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 6, 2021 – August 5, 2021	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
December 1, 2020 – September 17, 2021	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 6, 2020 – August 5, 2021	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
August 10, 2017 – September 29, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
August 5, 2017 – September 29, 2021	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
May 1, 2017 – May 31, 2017	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
April 1, 2017 – October 3, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
April 1, 2017 – April 30, 2017	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2017 – April 30, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2017 – January 31, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2014 – August 31, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
March 1, 2009 – March 31, 2009	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
February 1, 2009 – February 28, 2009	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
October 1, 2008 – October 31, 2008	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Chromium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

June 1, 2022State Violation/Reminder Notice2 linked violations
June 1, 2022State Public Notification requested33 linked violations
August 5, 2021State Public Notification received2 linked violations
August 5, 2021State Public Notification received2 linked violations
August 5, 2021State Compliance achieved11 linked violations
April 26, 2021State Compliance achieved3 linked violations
March 23, 2021State Public Notification requested5 linked violations
December 1, 2020State Violation/Reminder Notice2 linked violations
August 26, 2020State Violation/Reminder Notice3 linked violations
November 18, 2019State Compliance achieved13 linked violations
October 1, 2019State Violation/Reminder Notice3 linked violations
August 14, 2019State Public Notification requested3 linked violations
October 3, 2018State Compliance achieved5 linked violations
April 3, 2018State Violation/Reminder Notice3 linked violations
March 16, 2018State Violation/Reminder Notice3 linked violations
March 16, 2018State Public Notification requested2 linked violations
October 4, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
September 13, 2017State Violation/Reminder Notice2 linked violations
July 10, 2017State Public Notification requested2 linked violations
June 2, 2017State Violation/Reminder Notice2 linked violations
June 2, 2017State Violation/Reminder Notice2 linked violations
May 16, 2017State Public Notification requested1 linked violation
March 9, 2017State Public Notification requested2 linked violations
March 9, 2017State Public Notification requested2 linked violations
February 7, 2017State Public Notification requested4 linked violations
April 12, 2016State Public Notification requested3 linked violations
April 1, 2015State Compliance achieved12 linked violations
November 4, 2014State Violation/Reminder Notice1 linked violation
November 4, 2014State Public Notification requested2 linked violations
November 4, 2014State Public Notification requested2 linked violations
November 4, 2014State Public Notification requested2 linked violations
November 4, 2014State Public Notification requested1 linked violation
August 29, 2011State Compliance achieved2 linked violations
July 18, 2011State Public Notification received4 linked violations
November 4, 2010State Violation/Reminder Notice2 linked violations
August 6, 2010State Compliance achieved5 linked violations
August 4, 2010State Violation/Reminder Notice2 linked violations
August 4, 2010State Violation/Reminder Notice2 linked violations
August 28, 2009State Public Notification requested3 linked violations
June 19, 2009State Compliance achieved5 linked violations
June 3, 2009State Violation/Reminder Notice4 linked violations
April 14, 2009State Public Notification requested4 linked violations
April 14, 2009State Violation/Reminder Notice1 linked violation
January 30, 2009State Public Notification requested2 linked violations
August 25, 2008State Compliance achieved6 linked violations
March 19, 2008State Compliance achieved24 linked violations
January 30, 2008State Violation/Reminder Notice8 linked violations
August 29, 2007State Compliance achieved21 linked violations
June 7, 2006State Violation/Reminder Notice16 linked violations
May 17, 2006State Violation/Reminder Notice7 linked violations
May 17, 2006State Violation/Reminder Notice65 linked violations
March 28, 2006State Public Notification requested5 linked violations
March 28, 2006State Violation/Reminder Notice4 linked violations
December 20, 2005State Compliance achieved6 linked violations
August 8, 2005State Violation/Reminder Notice20 linked violations
February 24, 2005State Violation/Reminder Notice14 linked violations
January 22, 2003State Violation/Reminder Notice16 linked violations

Common questions

Is ALLENSPARK WSD required to publish a Consumer Confidence Report?: Yes. ALLENSPARK WSD is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is ALLENSPARK WSD’s next Consumer Confidence Report due?: ALLENSPARK WSD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ALLENSPARK WSD have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for ALLENSPARK WSD.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

MAUERMAN, BARRY

303-747-0317

ALLENSPARK, CO 80510