Drinking Water Compliance OS

DEERFIELD, MI · Lenawee County

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

System facts

System ID (PWSID)
MI0001770
System type
Community Water System
Population served
943
Service connections
375
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    ETHYLENE DIBROMIDE

    April 1, 2025 – June 30, 2025

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    LASSO

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Atrazine

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Simazine

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Toxaphene

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Methoxychlor

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Chlordane

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    October 1, 2020 – December 31, 2020

    Archived
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    October 11, 2018 – November 1, 2018

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    May 1, 2017 – May 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    April 1, 2017 – April 30, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    March 1, 2017 – March 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    February 1, 2017 – February 28, 2017

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    January 1, 2017 – January 31, 2017

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    November 1, 2016 – November 30, 2016

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    October 1, 2016 – October 31, 2016

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    July 1, 2016 – July 31, 2016

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    June 1, 2016 – June 30, 2016

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    May 1, 2016 – May 31, 2016

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    March 1, 2016 – March 31, 2016

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    February 1, 2016 – February 29, 2016

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    January 1, 2016 – January 31, 2016

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    December 1, 2015 – December 31, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    November 1, 2015 – November 30, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    October 1, 2015 – October 31, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    September 1, 2015 – September 30, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    August 1, 2015 – August 31, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    July 1, 2015 – July 31, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    June 1, 2015 – June 30, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    May 1, 2015 – May 31, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    April 1, 2015 – April 30, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    March 1, 2015 – March 31, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    February 1, 2015 – February 28, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    January 1, 2015 – January 31, 2015

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    December 1, 2014 – December 31, 2014

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    November 1, 2014 – November 30, 2014

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Long Term 2 Enhanced Surface Water Treatment Rule

    October 1, 2014 – October 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2011 – March 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2010 – September 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2010 – June 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2010 – March 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2010 – March 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2009 – September 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2009 – September 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2009 – June 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2009 – March 31, 2009

    Resolved
  • Monitoring, Regular

    LASSO

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Chlordane

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Toxaphene

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Endrin

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2008 – September 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2008 – September 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2008 – May 23, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2008 – June 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2008 – March 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2008 – March 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2007 – September 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2007 – September 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2007 – June 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2007 – June 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2007 – March 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2006 – December 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2006 – September 30, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2006 – June 30, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2006 – March 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2005 – September 30, 2005

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    April 1, 2005 – June 30, 2005

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2004 – December 31, 2004

    Resolved

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

Enforcement actions

Contact

NIGHSWANDER, TODD

Phone not on record

DEERFIELD, MI 49238