| Abstract: | A water-quality assessment of the Smith River drainage basin was made to provide a summary of the water-quality conditions including known or potential water-quality problems. Results of the study showed that the water quality of the Smith River is excellent and generally meets the water-quality objectives for the beneficial uses identified by the California Regional Water Quality Control Board, North Coast Region. Known and potential problems related to water quality include: Sedimentation resulting from both natural erosional processes and land-use activities such as timber harvest, road construction, and mining that accelerate the erosional processes; bacterial contamination of surface and ground waters from inundated septic tanks and drainfields, and grazing activities; industrial spills which have resulted in fish kills and oil residues; high concetrations of iron in ground water; log and debris jams creating fish migration barriers; and pesticide and trace-element contamination from timber-harvest and mining activities, respectively. Future studies are needed to establish: (1) a sustained long-term monitoring program to provide a broad coverage of water-quality conditions in order to define long-term water-quality trends; and (2) interpretive studies to determine the source of known and potential water-quality problems. (USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 27853 |
| Citation Author: | Iwatsubo, Rick T.; Washabaugh, Donna S. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | vii, 118 p. :ill., maps ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey, Water Resources Division, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 81-22 |
| Citation Search Results Text: | Water-quality assessment of the Smith River drainage basin, California and Oregon; 1982; WRI; 81-22; Iwatsubo, Rick T.; Washabaugh, Donna S. |
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| Citation Year: | 1982 |
| Type: | citation/reference |
| Text: | Water-quality assessment of the Smith River drainage basin, California and Oregon; 1982; WRI; 81-22; Iwatsubo, Rick T.; Washabaugh, Donna S. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, Water Resources Division, |
