Constitution Park

Constitution Park

DURATION: October 2016 - February 2017
STATUS: completed
RIVERBANK LOCATION: In Constitution Park upstream of the Main Street Bridge and adjacent to the Dominion Pavilion and Love sculpture
RIVERBANK LENGTH: 500 feet
ESTIMATED MERCURY INPUT FROM ERODING BANKS: 12.8%
OUTCOME: Mercury levels in sediment immediately adjacent to the riverbank began to decline within a year after completion. A program is underway to control knotweed plants at this location. Additional native vegetation will be planted as the knotweed is brought under control.

Monitoring Data

For Phase I of this work, samples were collected at the remediated Constitution Park riverbank and analyzed in a laboratory. Based on the laboratory results:

  • Mercury levels have decreased in the sediment immediately adjacent to the remediated bank.
  • Before remediation, upstream sediment with elevated mercury levels had deposited on this riverbank. Now, after remediation, these deposits have been replaced with cleaner sediment from upstream areas.
  • Although immediately after the remediation mercury levels in the water between the grains of sediment (otherwise known as pore water) slightly increased, these mercury levels have decreased to below baseline levels.
508 W. Main Street
Waynesboro, VA 22908
540-949-5361

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