Ralston & Associates is a progressive company, continually acquiring new equipment and technology to meet the environmental needs of  its clients. Ralston & Associates works closely with its clients to develop novel approaches to specific information needs. Ralston & Associates has provided an integrated and insightful approach to a wide range of studies since 1977. Capabilities include water quality monitoring,  threatened and endangered mollusc surveys, fish and aquatic invertebrate surveys, and hydrographic surveying. We specialize in large river systems and in logistically difficult environments.

         We frequently associate with other environmental and engineering firms to provide a multidisciplinary team of professional scientists and engineers for an integrated evaluation of physical, chemical, and biological characteristics of aquatic ecosystems.

Biological Consulting, Water Quality Monitoring, and Hydrographic Surveying

• Fishery Investigations - inventory and evaluation of stream and reservoir fisheries.

• Macroinvertebrate Studies - collection and analysis of benthic macro-invertebrates for evaluation of project related impacts.

• Water Quality Surveys - monitoring and evaluation of existing water quality and prediction of impacts; intensive monitoring for lake restoration programs; continuous monitoring of dissolved oxygen and temperature; and sediment sampling.

• Threatened and Endangered Species Inventories - surveys for federal agency resource management planning, proposed hydroelectric projects, mining projects, power transmission corridors, and natural gas pipeline corridors.

• FERC Licensing Assistance - environmental data collection, evaluation, and mitigation plan preparation for hydroelectric project license applications.

• NPDES Permit Review and Monitoring - NPDES permit negotiations and long term ambient water quality monitoring to determine compliance with state water quality standards and permit conditions.

• Hydrographic Surveying and Mapping - river and reservoir shoreline and bottom mapping.

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