Drinking Water Compliance OS

SOUTH SHORE, SD · Grant County

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

System facts

System ID (PWSID)
SD4600203
System type
Community Water System
Population served
19
Service connections
20
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2023 – June 30, 2023

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2020 – December 31, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2015 – June 30, 2015

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    May 1, 2014 – May 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    June 1, 2012 – June 30, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2009 – April 30, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2009 – March 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2009 – February 28, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2009 – January 31, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2009 – March 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2008 – October 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2008 – August 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2008 – July 31, 2008

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2008 – June 29, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2008 – June 30, 2008

    Resolved
  • Treatment Technique No Certif. Operator

    Health-based

    Stage 1 Disinfectants and Disinfection Byproducts Rule

    May 12, 2008 – June 1, 2009

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2007 – December 31, 2007

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 15, 2007 – July 21, 2009

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 13, 2007 – July 21, 2009

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    November 4, 2006 – July 21, 2009

    Resolved
  • Monitoring, Regular

    Endothall

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    2,4-D

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Chlordane

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    OXAMYL

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Simazine

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Asbestos

    January 1, 2002 – December 31, 2002

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    July 1, 1999 – July 31, 1999

    Archived
  • Monitoring, Regular

    Beryllium, Total

    July 18, 1995 – July 17, 1998

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 1976 – June 30, 1980

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1976 – June 30, 1980

    Archived

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

Enforcement actions

Contact

MARVIN

Phone not on record

SOUTH SHORE, SD 57263