Ma‘alaea Small Boat Harbor - Effluent by the numbers

  • BOD concentrations (mg/L) at Maʻalaea Small Boat Harbor Wastewater Treatment Plant from 2013-2025.

  • TSS concentrations (mg/L) at Maʻalaea Small Boat Harbor Wastewater Treatment Plant from 2013-2025.

  • Maʻalaea Harbor Water Quality History
    Date</>BOD (mg/L)TSS (mg/L)
    Jan-13<14.4
    Feb-13   
    Mar-13<10.8
    Apr-13<10.6
    May-13<13.5
    Jun-13<10.8
    Aug-14<10.8
    Sep-14<18.8
    Oct-14<11.4
    Nov-14<12.9
    Dec-14<11.5
    Jan-15 19.5
    Feb-15 22.4
    Mar-15 18
    Apr-15<14.2
    May-15<13.4
    Jun-15 13.4
    Feb-16<10.6
    Mar-16 22.6
    Apr-16<10.8
    May-16<11.1
    Jun-16<11.3
    Jul-16<10.7
    Aug-16<10.9
    Sep-16<11.4
    Oct-16<12.1
    Nov-16<12
    Dec-16 29.8
    Jan-17<11.6
    Feb-17<12.4
    Mar-17<11.2
    Apr-17<10.8
    May-17<10.4
    Jun-17<10.6
    Jan-18<12.4
    Feb-18<111
    Mar-18<10.2
    Apr-18<10.2
    May-18 136
    Jun-18<16
    Jan-19<10.6
    Feb-19 11.2
    Mar-19<12.8
    Apr-19<10.4
    Jun-19<10.2
    Jul-19<11
    Aug-19<10.8
    Sep-19<10.3
    Oct-19<10.2
    Nov-19<13.6
    Dec-19<10.5
    Jan-20<11
    Feb-20<17.6
    Nov-20<11.6
    Dec-20<11.4
    Jan-21<11
    Feb-21<17.8
    Mar-21<11.3
    Apr-21<16.8
    May-21<127.9
    Jun-21<19.8
    Jul-21<114
    Aug-21<11.1
    Sep-21<12.9
    Oct-21<12.4
    Nov-21 11
    Dec-21<12.9
    Jan-22<11.1
    Feb-22<41
    Mar-22<42.6
    Apr-22<10.8
    May-22<13
    Jun-22<42.1
    Jul-22<11.6
    Aug-22<11.6
    Sep-22<44.2
    Oct-22<42
    Nov-22<12.6
    Dec-22<11.4
    Jan-23<11.1
    Feb-23<17
    Mar-23<12.7
    Apr-23<11.2
    May-23<10.7
    Jun-23<14.1
    Jul-23<42.7
    Aug-23<10.6
    Sep-23<10.2
    Oct-23<15.9
    Nov-23<15.2
    Dec-23<10.6
    Jan-24<11
    Feb-24 61.3
    Mar-24<10.8
    Apr-24<10.8
    May-24<18.9
    Jun-24<10.2
    Jul-24<10.8
    Aug-24<11.1
    Sep-24<121.8
    Oct-24<10.2
    Nov-24<18.9
    Dec-24<10.9
    Jan-25 12.6
    Feb-25<10.7
    Mar-25<11
    Apr-25<12.4
    May-25<10.6
    Jun-25<19.4

How does the water I flush affect our reefs?