The Future of the Suwannee River Sill A Review and Update

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The Future of the Suwannee River SillA Review
and Update

• S.B. Aicher USFWS, Okefenokee NWR

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Downstream Flows
Water Quality
Ground-water levels
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• Effects of the Sill Downstream
• No significant changes in ground-water levels
  at wells downgradient.

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Calcium Chloride Iron Magnesium Silica Sodium Tann
in and lignin Solids residue Strontium Zinc
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• Effects of the Sill Downstream
• No significant changes in ground-water levels
  at wells downgradient.
• No significant change in concentrations of
  water-quality constituents in flows at the sill.

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• Effects of the Sill Downstream
• No significant changes in ground-water levels
  at wells downgradient.
• No significant change in concentrations of
  water-quality constituents in flows at the sill.
• The sill increased the base water levels
  immediately upstream of the sill by 6 ft.

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• Effects of the Sill Downstream
• No significant changes in ground-water levels
  at wells downgradient.
• No significant change in concentrations of
  water-quality constituents in flows at the sill.
• The sill increased the base water levels
  immediately upstream of the sill by 6 ft.
• No significant changes in water levels
  downstream from the sill.

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• Effects of the Sill Downstream
• No significant changes in ground-water levels
  at wells downgradient.
• No significant change in concentrations of
  water-quality constituents in flows at the sill.
• The sill increased the base water levels
  immediately upstream of the sill by 6 ft.
• No significant changes in water levels
  downstream from the sill.
• The sill decreased the peak flows from the sill
  to Fargo, Georgia.

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• Effects of the Sill Downstream
• No significant changes in ground-water levels
  at wells downgradient.
• No significant change in concentrations of
  water-quality constituents in flows at the sill.
• The sill increased the base water levels
  immediately upstream of the sill by 6 ft.
• No significant changes in water levels
  downstream from the sill.
• The sill decreased the peak flows from the sill
  to Fargo, Georgia.
• The sill increased the base flows downstream as
  far as Blue Sink.

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