HANCOCK, ME · Waldo County

UNITY BY THE STREAM LLC 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 Maine’s official records. Always confirm current status with Maine before making decisions based on this information.

System facts

System ID (PWSID): ME0095570
System type: Community Water System
Population served: 88
Service connections: 35
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2025 – December 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2025 – June 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2025 – March 31, 2025
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
November 23, 2024 – October 28, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2024 – March 31, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2023 – December 31, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2023 – June 30, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2022 – December 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2022 – December 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2022 – December 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2022 – September 30, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2022 – March 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2022 – March 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – January 3, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2020 – June 30, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2019 – December 31, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2019 – September 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2018 – December 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2018 – June 30, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 27, 2015 – July 7, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2015 – June 30, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 17, 2015 – January 7, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2011 – December 31, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2008 – October 27, 2009
Resolved
Public Education
Health-based
Lead and Copper Rule
December 11, 2006 – March 27, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2005 – December 31, 2005
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
September 1, 2005 – September 30, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2005 – July 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2005 – April 30, 2005
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
November 23, 2024 – October 28, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2022 – December 31, 2022	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2022 – December 31, 2022	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2022 – March 31, 2022	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2022 – March 31, 2022	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2021 – January 3, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
June 27, 2015 – July 7, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 17, 2015 – January 7, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2014 – December 31, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2011 – December 31, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2008 – October 27, 2009	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
December 11, 2006 – March 27, 2007	Public Education	Lead and Copper Rule	Health-based	Resolved
December 1, 2005 – December 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2005 – April 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

October 29, 2025State Public Notification received1 linked violation
October 20, 2025State Public Notification requested1 linked violation
October 20, 2025State Formal Notice of Violation issued1 linked violation
July 10, 2025State Public Notification requested2 linked violations
April 24, 2025State Public Notification received2 linked violations
March 17, 2025State Public Notification received3 linked violations
February 25, 2025State Public Notification requested3 linked violations
February 24, 2025State Formal Notice of Violation issued3 linked violations
October 28, 2024State Compliance achieved3 linked violations
October 22, 2024State Public Notification requested3 linked violations
October 22, 2024State Formal Notice of Violation issued2 linked violations
June 13, 2024State Public Notification requested2 linked violations
May 15, 2024State Public Notification received3 linked violations
May 3, 2024State Public Notification requested3 linked violations
May 3, 2024State Formal Notice of Violation issued3 linked violations
December 19, 2023State Public Notification received4 linked violations
September 21, 2023State Compliance achieved6 linked violations
August 4, 2023State Public Notification requested2 linked violations
June 20, 2023State Public Notification received2 linked violations
June 5, 2023State Formal Notice of Violation issued3 linked violations
June 5, 2023State Public Notification requested2 linked violations
March 27, 2023State Public Notification received3 linked violations
March 12, 2023State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 12, 2023State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
March 9, 2023State Compliance achieved5 linked violations
February 22, 2023State Public Notification received1 linked violation
February 21, 2023State Public Notification requested2 linked violations
February 14, 2023State Formal Notice of Violation issued1 linked violation
February 14, 2023State Public Notification received4 linked violations
February 7, 2023State Formal Notice of Violation issued1 linked violation
February 7, 2023State Public Notification requested1 linked violation
January 19, 2023State Public Notification received2 linked violations
January 10, 2023State Formal Notice of Violation issued2 linked violations
January 10, 2023State Public Notification requested2 linked violations
January 9, 2023State Compliance achieved1 linked violation
October 29, 2022State Formal Notice of Violation issued1 linked violation
October 29, 2022State Public Notification requested1 linked violation
June 28, 2022State Compliance achieved2 linked violations
June 27, 2022State Public Notification requested2 linked violations
June 27, 2022State Formal Notice of Violation issued2 linked violations
April 26, 2022State Public Notification received1 linked violation
March 15, 2022State Formal Notice of Violation issued1 linked violation
January 3, 2022State Compliance achieved2 linked violations
July 8, 2020State Compliance achieved7 linked violations
July 8, 2020State Compliance achieved2 linked violations
June 22, 2020State Public Notification received1 linked violation
June 5, 2020State Public Notification requested1 linked violation
June 5, 2020State Formal Notice of Violation issued1 linked violation
May 4, 2020State Public Notification received1 linked violation
April 22, 2020State Public Notification requested1 linked violation
April 22, 2020State Formal Notice of Violation issued1 linked violation
November 21, 2019State Public Notification received1 linked violation
November 14, 2019State Formal Notice of Violation issued1 linked violation
November 14, 2019State Public Notification requested1 linked violation
October 18, 2019State Public Notification received1 linked violation
September 9, 2019State Formal Notice of Violation issued1 linked violation
September 9, 2019State Public Notification requested1 linked violation
September 5, 2019State Public Notification received1 linked violation
August 16, 2019State Public Notification requested1 linked violation
August 16, 2019State Formal Notice of Violation issued1 linked violation
March 19, 2019State Public Notification received1 linked violation
February 25, 2019State Public Notification requested1 linked violation
February 25, 2019State Formal Notice of Violation issued1 linked violation
February 7, 2019State Public Notification received1 linked violation
January 2, 2019State Public Notification requested1 linked violation
January 2, 2019State Formal Notice of Violation issued1 linked violation
December 20, 2018State Public Notification received1 linked violation
November 6, 2018State Formal Notice of Violation issued1 linked violation
November 6, 2018State Public Notification requested1 linked violation
July 6, 2018State Public Notification received1 linked violation
June 13, 2018State Public Notification requested1 linked violation
June 13, 2018State Formal Notice of Violation issued1 linked violation
August 11, 2015State Compliance achieved4 linked violations
July 13, 2015State Public Notification received1 linked violation
July 8, 2015State Formal Notice of Violation issued1 linked violation
July 7, 2015State Compliance achieved1 linked violation
May 27, 2015State Formal Notice of Violation issued1 linked violation
May 27, 2015State Public Notification requested1 linked violation
March 11, 2015State Public Notification received1 linked violation
February 25, 2015State Formal Notice of Violation issued1 linked violation
February 25, 2015State Public Notification requested1 linked violation
February 23, 2015State Public Notification received1 linked violation
February 18, 2015State Formal Notice of Violation issued1 linked violation
January 7, 2015State Compliance achieved1 linked violation
December 17, 2014State Formal Notice of Violation issued1 linked violation
December 17, 2014State Public Notification requested1 linked violation
October 9, 2014State Public Notification received1 linked violation
September 15, 2014State Formal Notice of Violation issued1 linked violation
September 15, 2014State Public Notification requested1 linked violation
July 9, 2014State Compliance achieved2 linked violations
December 16, 2013State Public Notification received2 linked violations
November 22, 2013State Public Notification requested2 linked violations
November 22, 2013State Formal Notice of Violation issued2 linked violations
September 16, 2011State Intentional no-action2 linked violations
August 19, 2011State Intentional no-action2 linked violations
December 7, 2009State Compliance achieved5 linked violations
October 27, 2009State Compliance achieved2 linked violations
October 23, 2009State Public Notification received6 linked violations
March 24, 2009State Formal Notice of Violation issued1 linked violation
March 24, 2009State Public Notification requested1 linked violation
November 18, 2008State Public Notification requested1 linked violation
November 18, 2008State Public Notification requested1 linked violation
November 18, 2008State Formal Notice of Violation issued1 linked violation
August 25, 2008State Public Notification received1 linked violation
August 25, 2008State Compliance achieved1 linked violation
August 5, 2008State Formal Notice of Violation issued3 linked violations
August 5, 2008State Public Notification requested1 linked violation
February 7, 2007State Violation/Reminder Notice20 linked violations
January 3, 2007State Violation/Reminder Notice5 linked violations
January 3, 2007State Formal Notice of Violation issued1 linked violation
May 18, 2006State Public Notification received3 linked violations
April 20, 2006State Public Notification requested7 linked violations
April 18, 2006State Public Notification requested6 linked violations
February 16, 2006State Violation/Reminder Notice3 linked violations
February 16, 2006State Public Notification requested4 linked violations
September 16, 2005State Violation/Reminder Notice4 linked violations
September 16, 2005State Violation/Reminder Notice2 linked violations
June 10, 2002State Compliance achieved1 linked violation
May 24, 2002State Public Notification requested4 linked violations
December 15, 2000State Public Notification received1 linked violation

Contact

PATTERSON, KAREN

Phone not on record

HANCOCK, ME 04640