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POTLATCH RIVER WATERSHED, LATAH, CLEARWATER, AND NEZ PERCE COUNTIES, IDAHO - BENEFICIAL USE RECONNAISSANCE PROJECT, 1994
Description:
This study was conducted during the 1994 summer to determine the beneficial uses and status of those uses in the Potlatch River watershed, Idaho (17060306). Data were collected on the mainstem, East Fork and West Fork Potlatch River, Little Potlatch and Middle Potlatch Creeks, Big Bear and Little Bear Creeks, Pine Creek, Cedar Creek, and Ruby Creek. Idaho Divisionof Environmental Quality (DEQ) water quality protocols were used to collect the following data: flow, temperature, substrate composition, width/depth ratio, aquatic invertebrates, fish, canopy cover, pool complexity, large organic debris, aquatic habitat assessment, bank stability, and Rosgren channel type. The results of this project have determined most of the streams to be in various stages of degradation. The report lists designated, existing, and attainable beneficial uses for each of the 11 waterbodies within the watershed. At this time, DEQ is unable to determine the support status of the beneficial uses for streams in the Potlatch River watershed. Wertz, L.B. and J. Kinney 1995. Water Quality Summary Report No. 31. Idaho Division of Environmental Quality, North Central Idaho Regional Office. 36 pp. plus appendices.