water quality & water resources

Water quality remains a top priority with federal, state, and local agencies. As agencies attempt to reduce loading to streams, it is important to know what impact your facility may be having on the receiving stream. AquAeTer's technical experts, such as Michael Corn, are known for their expertise from over 30 years of experience in water quality assessments. AquAeTer can provide a full range of services to meet your water quality needs including independent review of models, optimizing discharge through more efficient diffusers, conducting water quality monitoring, and developing a TMDL model for submittal to the agencies.

Our water quality services include the following areas:

  • Bench and Pilot Scale Studies
  • Bioaccumulation Assessments
  • Biological Surveys
  • Diffuser Designs
  • Ecological Risk Assessments
  • Mixing Zone Determinations
  • Mixing Zone Modeling and 3rd Party Review of Models
  • Permitting

  • - NPDES Permitting
    - Stormwater Discharge Permitting
  • Stormwater Management
  • Total Maximum Daily Load (TMDL) Determinations
  • Use Attainability Analyses (UAA)
  • Water Quality Measurements

  • - Algal Productivity and Respiration Measurements
    - Bathymetry Measurements
    - Flow and Velocity Measurements
    - Nitrification Rate Measurements
    - Nutrient Determinations (nitrogen, phosphorus)
    - Reaeration Rate Measurements
    - Recalcitrant Nitrogen Determinations
    - Sediment Oxygen Demand Measurements
    - Time of Travel Surveys
    - Ultimate Biochemical Oxygen Demand Determinations
    - Ultimate to 5-day BOD Ratio Determinations
    - Water Quality Monitoring (DO, pH, temperature, etc.)
  • Water Quality Modeling and 3rd Party Reviews

  • - Dissolved Oxygen
    . QUAL-2E / QUAL-2K
    . EPD-RIV1 – Dynamic; Rivers, lakes
    . WASP – Dynamic; Rivers, lakes, or estuaries
    . CE-QUAL - Dynamic; Reservoirs
    - Nutrients
    . WASP
    . EPD-RIV1
    . CE-QUAL
    . HSPF - Hydrological Simulation Program; hydrology/water quality
    - Metals/dioxins/organics
    . WASP - Contaminant fate & transport; water and sediments
    . EXAMS - Fate, transport, and exposure concentrations
    . HSPF
    . FGETS - Fish uptake model
    - Sediment/Flood Analysis
    . HSCTM2D - Hydrodynamic sediment and contaminant transport
    . USLE - Universal Soil Loss Equation
    . HEC-RAS & HEC-HMS - Flooding and sediment transport
    . WASP
  • Watershed Management Planning

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    TMDL Analysis
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