Drinking Water Compliance OS

JACKSONVILLE, FL · Duval County

N.S. MAYPORT 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 Florida’s official records. Always confirm current status with Florida before making decisions based on this information.

System facts

System ID (PWSID)
FL2160734
System type
Community Water System
Population served
20,500
Service connections
901
Ownership
federal government
Water source
groundwater (wells)

Violation history

  • Monitoring, Source Water (GWR)

    E. COLI

    August 1, 2025 – October 3, 2025

    Resolved
  • Reporting, Assessment Forms (RTCR)

    Revised Total Coliform Rule

    November 1, 2021 – February 9, 2022

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    December 1, 2017 – February 7, 2018

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2015 – October 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2013 – September 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2008 – July 31, 2008

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2008 – April 30, 2008

    Archived

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

Enforcement actions

Contact

CDR BRIAN MACK

904-472-7308

JACKSONVILLE, FL 32228