Click to edit section Click to edit section Click to edit ... Click to edit section Click to edit...

download Click to edit section Click to edit section Click to edit ... Click to edit section Click to edit section

of 18

  • date post

    06-Aug-2020
  • Category

    Documents

  • view

    1
  • download

    0

Embed Size (px)

Transcript of Click to edit section Click to edit section Click to edit ... Click to edit section Click to edit...

  • Click to edit section Click to edit section Click to edit section

  • Click to edit section Click to edit section Click to edit section

    Waterbody Restoration Goal

    Source: Final TMDL Report, Nutrient

    TMDL for Alachua Sink, WBID

    2720A, April 4, 2006

  • Click to edit section Click to edit section Click to edit section

    Understanding Pollutant Sources

    ANNUAL TOTAL NITROGEN LOADS (kg/yr) FROM BASEFLOW,

    SURFACE WATER RUNOFF & SEPTIC

    Total = 568,369

    Baseflow

    Surface Water Runoff

    Septic

    387,511

    97,383

    83,475

    Total = 374,560

    354,000

    20,560

    Total = 344,180

    211,520

    44,910

    87,750

    How controllable is each source?

  • Click to edit section Click to edit section Click to edit section

    Identifying Existing Treatment

  • Click to edit section Click to edit section Click to edit section

    Exhaust Least-Cost Options First

    Source Controls, Pollutant Trading,

    Some LID Measures

    Regional or Large-Scale

    BMPs

    Smaller- Scale BMPs

  • Click to edit section Click to edit section Click to edit section

    Planning of Individual BMPs

    THIS IS NOT

    FOR NEW

    DEVELOPMENT!

  • Click to edit section Click to edit section Click to edit section

    Planning of Individual BMPs

    Awareness of multiple purposes

    Lowest $/lb-removed life cycle costs

    Economies of scale

    Treatment trains and LID/GI

    Permitting and water quality reasonable assurance

    O&M and sustainability considered

    Consideration of grant funding

  • Click to edit section Click to edit section Click to edit section

    Optimizing BMP Design

    What is Treated?

    How Much is Treated?

    What Treatment Technologies

    Should Be Used?

    Site-Specific Optimization

    What Level of Treatment Should Be Provided?

  • Click to edit section Click to edit section Click to edit section

    What is Treated?

  • Click to edit section Click to edit section Click to edit section

    How Much is Treated?

  • Click to edit section Click to edit section Click to edit section

    What Treatment Technologies

    Should Be Used?

  • Click to edit section Click to edit section Click to edit section

    What Treatment Technologies

    Should Be Used?

    vs.

  • Click to edit section Click to edit section Click to edit section

    What Level of Treatment

    Should Be Provided?

    Harper and Baker, 2007

  • Click to edit section Click to edit section Click to edit section

    What Level of Treatment

    Should Be Provided?

  • Click to edit section Click to edit section Click to edit section

    Site-Specific Optimization

  • Click to edit section Click to edit section Click to edit section

    Site-Specific Optimization

  • Click to edit section Click to edit section Click to edit section

    Prioritization

    Flood protection

    Water quality

    Natural systems

    Alternative water supply

    Flexibility factors

  • Click to edit section Click to edit section Click to edit section

    Evaluating Across Multiple Areas of

    Responsibility