Drinking Water Compliance OS

MARSHALL, OK · Logan County

LOGAN CO RWS & SWMD #3 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 Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.

System facts

System ID (PWSID)
OK2004230
System type
Community Water System
Population served
1,618
Service connections
965
Ownership
local government
Water source
groundwater (wells)

Violation history

  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024 – July 15, 2025

    Resolved
  • LSL Reporting

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024 – July 15, 2025

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate-Nitrite

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    May 2, 2014 – November 8, 2017

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 2012 – September 30, 2012

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    August 1, 2012 – August 31, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2008 – March 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2007 – October 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2007 – December 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    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

    TTHM

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2007 – December 31, 2007

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2005 – December 31, 2005

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1999 – May 31, 1999

    Archived

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

Enforcement actions

Contact

LOGAN CO RWS & SWMD #3

580-935-6678

MARSHALL, OK 73056-0187