Maintain an association of persons involved in the protection of watersheds, water quality, and aquatic habitat and in the abatement of water pollution and aquatic habitat and watershed deterioration; Encourage improved professional and technical standards in the investigation, abatement, and regulation of water pollution, aquatic habitat, and watershed problems; Focus attention on watershed, aquatic habitat, and water quality concerns by conducting symposia, workshops and projects, collecting and assembling information for publication, and distributing results to Society members and the public; and Promote development and use of standardized procedures and techniques for investigating and regulating water quality, aquatic habitat, and watershed problems.