Floyds fork bacteria tmdl
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Floyds Fork Bacteria TMDL. Andrea M. Fredenburg Kentucky Division of Water TMDL Section February 19, 2013. Agenda. Review KY’s bacteria criteria Show sample site locations and data summary Show bacteria impaired segments Explain Load Duration Curve Review TMDL 101.

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Floyds fork bacteria tmdl

Floyds Fork Bacteria TMDL

Andrea M. Fredenburg

Kentucky Division of Water

TMDL Section

February 19, 2013


Agenda

Agenda

  • Review KY’s bacteria criteria

  • Show sample site locations and data summary

  • Show bacteria impaired segments

  • Explain Load Duration Curve

  • Review TMDL 101


Ky s bacteria criteria

KY’s Bacteria Criteria


Currys fork wbp sites

Currys Fork WBP Sites

Fecal Coliform 2007 and 2009


Msd sample sites

MSD Sample Sites

Fecal Coliform 2000-2010


Kdow sample sites

KDOW Sample Sites

Fecal Coliform 1999, 1998-2004, 2004

E. coli 2006-2009


Bullitt county wbp sites

Bullitt County WBP Sites

Fecal Coliform 2005-2006


Usgs sample sites

USGS Sample Sites

E. coli 2007-2008


Usgs sample sites1

USGS Sample Sites

E. coli 2007-2008


Floyds fork bacteria impairments

Floyds Fork Bacteria Impairments


Floyds fork bacteria impairments1

Floyds Fork Bacteria Impairments


Floyds fork bacteria impairments2

Floyds Fork Bacteria Impairments


Tmdl and allocations

TMDL and Allocations

TMDL Calculation:

TMDL(allowable # per day) =

Allowable Concentration (allowable # per 100 ml)

x Flow (in cubic feet per second)

x Conversion Factor (24,465,758.4 per day)

Allocations:

TMDL = ∑WLA + ∑LA + MOS


Load duration curve

Load Duration Curve


What do the tmdls mean

What Do the TMDLs Mean?

  • The TMDL identifies the allowable pollutant load and divides this allowable amount to sources.

  • The TMDL does not impose a new regulation:

    • The requirement to develop TMDLs and set Wasteload and Load allocations exist in the Clean Water Act

    • Kentucky water quality standards set pollutant concentrations or desired conditions


What do the tmdls mean1

What Do the TMDLs Mean?

  • The goal is to restore the impaired waters to their designated uses.

  • The Division of Water can modify KPDES permits such that the Wasteload Allocations will be met.

  • Implementation of Load Allocations (no permits/nonpoint sources) is not a regulatory process; rather a cooperative/voluntary effort sometimes facilitated by a local stakeholder-based planning process.


Contact information

Contact Information

Andrea M. Fredenburg

TMDL Section

Division of Water

200 Fair Oaks Lane

Frankfort, KY 40601

[email protected]


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