Larratt Aquatic offers a wide range of aquatic services to tailored to government, drinking water suppliers, and mining industries. They are outlined below.  

Lake and Stream Sampling Programs

  • Decades of experience designing, managing, and executing field studies and water quality monitoring programs

  • Focus on presenting results in easy to understand language

  • Drinking water studies, nutrient impact studies, mining related sampling, long-term monitoring, emergency sampling

  • All-season sampling gear

  • Exemplary safety record


Drinking Water Management and Reservoir Design

  • Collaboration on intake design and position

  • Management of new reservoirs for optimal water quality

  • Determination of lake water chemistry and thermal behavior

  • Microscopic identification of algae species

  • Control of microflora, aquatic plants and microfauna influencing water quality

  • Water chemistry and its impacts on drinking water quality

  • Identifying sources of taste and odor and prescribing their treatment

  • Identifying causes of water quality deterioration in distribution systems

  • Recommending changes to reservoir management practice or equipment to improve water quality

  • IHA certified Source Assessments and Source Protection Plans


Microfloral Impacts on Water Treatment Plants and their Solutions

  • In-house algae and microfloral identification

  • Microfloral clogging and water chemistry impacts on treatment plant efficiency

  • Toxicity of cyanobacteria

  • Taste and odor in drinking water


Reclamation of Mine Tailings Water Covers

  • Modifying water chemistry to support primary production

  • Introducing bacteria, algae, aquatic macrophytes and invertebrates to barren tailings ponds and sludge ponds

  • Installing riparian shrub and emergent vegetation from stakes, plugs and seed

  • Monitoring thermal behavior with data loggers

  • Creation of sustainable fisheries and wetlands


Development of Pit Lakes as Bioreactors and Fishery Habitat

  • Inducing algae blooms to transport aqueous metals via algal adsorption to non-mixing bottom water in deep pit lakes

  • Identified role of B vitamins in pit algal production

  • Use of enhancement techniques such as aeration, fertilization, plant invertebrate introduction, bio-reefs, bio-islands, sulphate reducing bacteria

  • Development of trophy fishery habitat


Biologically Mediated Mine Water Treatment

  • Reactor design based on bench studies

  • Design and operation of sulphate reducing bacteria (SRB) reactors and wetlands

  • Monitoring of water quality improvements made by SRB ponds, wetlands and reactors


Data Management and Analysis

  • Experience handling large datasets

  • Automated water quality guideline exceedance analysis

  • Advanced statistical analyses

  • Data visualization

  • Digital mapping

  • Web-based data application and tool development

Underwater Infrastructure Assessments

  • LAC operates an underwater remotely operated vehicle (ROV) with depth range up to 100m and HD video camera

  • Detailed surveys of submerged infrastructure including intake and outfall pipes

  • Cost is significantly less than divers