Public Water Partners

SOUTH SHORE, SD · Grant County

MARVIN Water System

Consumer Confidence Report status

MARVIN 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 MARVIN.

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 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)

MARVIN is one of 583 community water systems in South Dakota in the 500 or fewer people size category, serving 19 people from groundwater.

As of August 1, 2026, its federal record holds 74 entries between 1976 and 2020, all of which EPA lists as closed. Nothing has been added since 2020.

Of the 74, 66 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 synthetic organic chemicals, volatile organic chemicals, and the Total Coliform Rules.

Violation history

  • Monitoring, Regular

    Asbestos

    January 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    May 1, 2014 – May 31, 2014

    Resolved
  • Treatment Technique No Certif. Operator

    Health-based

    Stage 1 Disinfectants and Disinfection Byproducts Rule

    February 1, 2014 – March 17, 2014

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2014 – December 31, 2014

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    June 1, 2012 – June 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2009 – March 31, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2009 – March 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2008 – October 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)

    July 1, 2008 – July 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2008 – June 30, 2008

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Nitrate

    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

    BHC-GAMMA

    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

    Carbofuran

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    2,4-D

    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, Regular

    Diquat

    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 14, 2007 – July 21, 2009

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    November 4, 2006 – July 21, 2009

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    November 3, 2006 – July 21, 2009

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Endothall

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Dinoseb

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Toxaphene

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Chlordane

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Endrin

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Atrazine

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    LASSO

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    April 1, 2006 – June 30, 2006

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2006 – December 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

    Trichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2005 – September 30, 2005

    Resolved
  • Notification, Public

    Coliform (TCR)

    February 12, 1997 – March 11, 1997

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1976 – June 30, 1980

    Archived
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    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

Common questions

Is MARVIN required to publish a Consumer Confidence Report?

Yes. MARVIN 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 MARVIN’s next Consumer Confidence Report due?

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

Does MARVIN have any open drinking water violations on record?

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

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

MARVIN

Phone not on record

SOUTH SHORE, SD 57263