2024 PROVISIONAL WATER QUALITY REPORT CARD

Dr. Marcus Beck,

Tampa Bay Estuary Program

Dec 18, 2024

RA FRAMEWORK

  • Each year, assess attainment of water quality thresholds
  • Annual reporting to FDEP, second year of 2022-2026 RA period
  • Today’s results include data through November

SEASONAL CHLOROPHYLL

OCTOBER CHLOROPHYLL

SEASONAL LIGHT ATTENUATION

OCTOBER LIGHT ATTENUATION

WATER QUALITY REPORT CARD

https://tbep-tech.github.io/wq-static/wq.pdf

Management

Regulatory

REGULATORY THRESHOLDS

  • Each bay segment evaluated by chlorophyll-a threshold

REGULATORY OUTCOMES

* 2024 Dec based on average from five years prior

MANAGEMENT ACTIONS

  • Each bay segment assigned a management action, based on chlorophyll and light attenuation magnitude and duration

MANAGEMENT OUTCOMES

* 2024 Dec based on average from five years prior

CHLOROPHYLL ATTAINMENT

LIGHT ATTENUATION ATTAINMENT

SEAGRASS TRANSECT DATA

EVALUATING SSOs

  • FDEP maintains Public Notice of Pollution database
  • Reports indicate location, date, contact, and narrative description
  • Details in narrative description…

EVALUATING SSOs

  • An example of a spill volume description:
[1] "on saturday november 16 2024 at approximately 1:30 pm staff at the northwest regional water reclamation facility located at 10890 s mobley road in tampa discovered foam billowing from the #3 activated sludge digester. this incident continued off and on until approximately 7:30 am monday november 18 2024. the cause of the release was due to a faulty tank level indicator. this incident released approximately 19000 gallons of digested activated sludge and foam onto the ground. staff was able to stop the overflow by shutting air off to the effected tank and isolating the feed sludge. most of this release was contained on site. however during the cleanup approximately 200 gallons of the release was inadvertently pushed onto adjacent property and into a storm water pond. this stormwater pond is not connected to surface waters of the state. so far approximately 7500 gallons of the release has been vacuumed up and returned to the facility for processing. cleanup efforts are continuing and the effected area will be disinfected with lime.\r\n\r\nregulatory agencies were notified.\r\n"

SSOs 2017 to present

  • 2016 baseline ~200M gallons

SSOs 2024 by month

CONCLUSIONS

  • All segments provisionally (through November) meet regulatory thresholds, all segments green for management targets except LTB
  • Adaptive capacity of the bay is high coming off dry years, reduced with storms
  • OTB still a marginal bay segment, continued seagrass loss - is this an acceptable condition??
  • Third year of 2022 - 2026 RA period