STORRS, CT · Tolland County

KNOLLWOOD APARTMENTS Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 1 other open item(s). See the violation history below for contaminant and status details.

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 Connecticut’s official records. Always confirm current status with Connecticut before making decisions based on this information.

System facts

System ID (PWSID): CT0780051
System type: Community Water System
Population served: 312
Service connections: 136
Ownership: privately owned
Water source: groundwater (wells)

Violation history

LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Lead Consumer Notice
—
Lead and Copper Rule
September 29, 2022 – October 26, 2022
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2022 – October 3, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – October 3, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2022 – July 31, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
September 29, 2021 – March 17, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2021 – May 6, 2021
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
September 29, 2020 – April 28, 2021
Resolved
OCCT/SOWT Treatment Installation/Demonstration
Health-based
Lead and Copper Rule
August 15, 2020 – August 16, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – November 2, 2020
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
March 31, 2020 – November 7, 2020
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
September 29, 2019 – November 7, 2020
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2019 – November 7, 2020
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
March 16, 2019 – September 19, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
September 29, 2018 – May 3, 2019
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2018 – August 8, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 6, 2018 – September 19, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – July 10, 2017
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
March 6, 2017 – September 20, 2018
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2017 – December 31, 2017
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2016 – May 12, 2017
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2016 – February 29, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2016 – January 31, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2015 – December 31, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 5, 2015 – March 7, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2015 – October 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2015 – September 30, 2015
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2014 – December 31, 2022
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2007 – July 23, 2007
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2006 – December 20, 2006
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2004 – December 31, 2006
Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
October 17, 2024	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
September 29, 2022 – October 26, 2022	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
August 10, 2022 – October 3, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2022 – October 3, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2022 – July 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 29, 2021 – March 17, 2022	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
April 1, 2021 – May 6, 2021	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
September 29, 2020 – April 28, 2021	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
August 15, 2020 – August 16, 2020	OCCT/SOWT Treatment Installation/Demonstration	Lead and Copper Rule	Health-based	Resolved
July 1, 2020 – November 2, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
March 31, 2020 – November 7, 2020	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
September 29, 2019 – November 7, 2020	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
April 1, 2019 – November 7, 2020	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
March 16, 2019 – September 19, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 29, 2018 – May 3, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
August 10, 2018 – August 8, 2018	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
June 6, 2018 – September 19, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2017 – July 10, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
March 6, 2017 – September 20, 2018	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Nitrate	—	Resolved
December 30, 2016 – May 12, 2017	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
February 1, 2016 – February 29, 2016	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2016 – January 31, 2016	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2015 – December 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 5, 2015 – March 7, 2016	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2015 – October 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2014 – December 31, 2022	Monitoring, Regular	Asbestos	—	Archived
July 1, 2007 – July 23, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 10, 2006 – December 20, 2006	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2004 – December 31, 2006	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

August 23, 2023State Violation/Reminder Notice4 linked violations
March 13, 2023State Public Notification requested5 linked violations
January 19, 2023State Public Notification received4 linked violations
January 11, 2023State Violation/Reminder Notice1 linked violation
January 11, 2023State Public Notification requested3 linked violations
January 11, 2023State Violation/Reminder Notice2 linked violations
October 26, 2022State Compliance achieved1 linked violation
September 20, 2022State Public Notification received2 linked violations
September 19, 2022State Compliance achieved1 linked violation
March 17, 2022State Compliance achieved1 linked violation
December 9, 2021State Violation/Reminder Notice1 linked violation
July 14, 2021State Public Notification requested1 linked violation
May 6, 2021State Compliance achieved1 linked violation
April 28, 2021State Compliance achieved1 linked violation
April 12, 2021State Violation/Reminder Notice1 linked violation
March 16, 2021State Public Notification received1 linked violation
December 18, 2020State Administrative/Compliance Order without penalty issued1 linked violation
November 7, 2020State Compliance achieved1 linked violation
November 7, 2020State Compliance achieved1 linked violation
November 7, 2020State Compliance achieved1 linked violation
November 2, 2020State Compliance achieved1 linked violation
November 2, 2020State Violation/Reminder Notice4 linked violations
August 16, 2020State Compliance achieved1 linked violation
May 8, 2019State Violation/Reminder Notice1 linked violation
May 3, 2019State Compliance achieved1 linked violation
September 20, 2018State Compliance achieved1 linked violation
August 8, 2018State Compliance achieved4 linked violations
May 7, 2018State Formal Notice of Violation issued3 linked violations
March 15, 2018State Public Notification requested2 linked violations
January 8, 2018State Violation/Reminder Notice2 linked violations
June 5, 2017State Public Notification requested3 linked violations
May 12, 2017State Compliance achieved4 linked violations
June 13, 2016State Violation/Reminder Notice1 linked violation
June 13, 2016State Public Notification requested2 linked violations
June 13, 2016State Public Notification requested2 linked violations
April 5, 2016State Public Notification requested2 linked violations
April 5, 2016State Public Notification requested2 linked violations
March 31, 2016State Compliance achieved3 linked violations
March 7, 2016State Compliance achieved2 linked violations
March 2, 2016State Violation/Reminder Notice2 linked violations
November 30, 2015State Compliance achieved1 linked violation
March 17, 2009State Violation/Reminder Notice6 linked violations
September 12, 2007State Violation/Reminder Notice1 linked violation
July 23, 2007State Compliance achieved2 linked violations
October 27, 1993State Violation/Reminder Notice2 linked violations

Contact

PEARSON, ANGELINA

203-941-6005

STORRS, CT 06268