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Linking BMPs to Pollutant Sources - PowerPoint PPT Presentation


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Linking BMPs to Pollutant Sources. After impairments are understood, pollutant causes and sources known, pollutant loads estimated, critical areas identified…. it’s time to select the treatment measures – BMPs – that will achieve your goals. Linking BMPs to Sources.

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Presentation Transcript
slide1

Linking BMPs

to

Pollutant Sources

slide2

After impairments are understood, pollutant causes and sources known, pollutant loads estimated, critical areas identified…. it’s time to select the treatment measures – BMPs – that will achieve your goals.

linking bmps to sources
Linking BMPs to Sources
  • Match BMP to pollutant(s)
  • Match BMP to source(s)
  • Consider pollutant transport/delivery
  • Evaluate load reduction capability
  • Cost
  • Acceptability/practicality
match bmp to pollutant s1
Match BMP to pollutant(s)

adapted from:

USDA-NRCS Conservation Practice Physical Effects (CPPE)

http://efotg.nrcs.usda.gov/references/public/IN/IndianaCPPE-12-2006-Corrected.xls

consider pollutant transport delivery
Consider pollutant transport/delivery

BMP interventions in NPS pathways:

  • Availability/pollutant prevention (e.g., NMP)
  • Detachment (e.g., conservation tillage)
  • Transport (e.g., WASCOB)
  • Delivery (e.g., filter strip, riparian buffer)
evaluate load reduction capability
Evaluate load reduction capability
  • Stormwater/Urban (BMP Effectiveness database; Menu of BMPs)
  • Agriculture (Ag Management Measure document)
  • Forestry (Forestry Management Measures document)
  • Mining (Development document for proposed Effluent Guideline for Mining)

www.epa.gov/nps

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Cost
  • Look at experience in other watershed programs in the region
  • NRCS cost tables, other programs
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Cost

http://efotg.nrcs.usda.gov/references/public/IN/Average_Annual_Cost_2007.xls

acceptability practicality
Acceptability/practicality
  • Look at what’s worked and what hasn’t
  • Consider costs/benefits
  • Property ownership/site access
  • Look for added benefits
  • Use a combination of techniques