Water quality in the Merced River above and below the El Portal Sewage treatment plant near Yosemite National Park, California, 1975-77
Hoffman RJ. 1979. Water quality in the Merced River above and below the El Portal Sewage treatment plant near Yosemite National Park, California, 1975-77. U.S. Geological Survey (USGS) Open-File Report. 79-679. USGS. Menlo Park, CA
The purpose of this study was to examine and describe any differences in water chemistry and periphyton growth in the Merced River upstream and downstream from the treated sewage discharge at Rancheria Flat near El Portal.
- Type
- Published Report
- Authors
- Hoffman, Ray
- Date of Issue
- 1979-05
- Publisher
- USGS
- Units
- WRD , YOSE
- Keywords
- Clemson, Perophyton, Plant nutrients, specific conductance, Streamflow, Water Chemistry, WRBIB