Water Quality and Contaminants


Scientists from LGL have expertise related to:

  • Eutrophication and nutrient issues
  • Mercury and other metal contaminants
  • Acid rock drainage and metal leaching
  • Hydrocarbon and other organic contaminants
  • Sediment loading from erosion
  • Water balance modeling and contaminant mass balance modeling
  • Characterization of physical characteristics such as temperature, salinity, conductivity, and dissolved oxygen
  • Effects of contaminants on human and environmental health

The objectives of our investigations commonly include:

  • Environmental impact evaluation
  • Mine planning and remediation
  • Lakeshore development planning
  • Sediment control mitigation
  • Restoration of aquatic habitats
  • Aquaculture impact evaluation and planning
  • Evaluation of human health concerns
  • Inventory and basic characterization of lakes and streams

Specialized methodologies:

  • Acute and chronic toxicity testing
  • “Clean” sampling of water, biota, and sediments for contaminant measurement
  • In situ measurement of aquatic physical and chemical parameters
  • Statistical analysis and interpretation of contaminant concentration information
  • Measurement of chlorophyll and other indicators of primary productivity
  • Identification of phytoplankton and zooplankton as indicators of water quality
  • Sediment control strategies as part of aquatic habitat restoration
 
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