Callaghan and Toth has developed a range of Environmental Services over the past 15 years. Our expertise ranges from Environmental Management, Stormwater Quality Management, Revegetation and Sediment and Erosion Control.


  • Environemntal Management Plans
  • Stormwater Qulaity Management
  • Erosion and Sediment Control
  • Revegetation and Rehabilitation
  • Translocation Plans
  • Clients Agent for EHP applications 


Contaminated Site Management

  • Old Noosa Council Works Depot
  • Boral Sawmill Cooroy

Environmental Management Plans

  • Various SCC and NC Bridge reconstructions
  • Noosa Council Depots
  • St Teresa's College Noosaville
  • Heritage Park Cooroy (228 lots)

Stormwater Quality Management Plans

  • Heritage Park Cooroy (440 lots)
  • Erindale Park Cooroy (70 lots)
  • Heritage Park Cooroy (228 lots)
  • Noosa landfill Green Waste Bio Basin
  • Various small Commercial and Unit Developments

Site Management Plans

  • Soil Conditioning Mixing Yard Maryborough
  • CCA Timber Processing Gympie


  • Noosa Council Slipway Renovation Plan
  • Water Recycling Design to Maroochy Botanical Gardens Eco Centre and Mary Cairncross Rainforest Discovery Centre
  • Various Revegetation / Clearing Plans for Development
  • SCC Agent for securing Government Environmental Approvals