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S Marin/Redwood Creek |
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WQ: Dissolved Oxygen in Redwood Creek Above Hwy 1 1999 |
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Caption: Dissolved oxygen (D.O.) concentrations were measured at three stations (below Muir Beach Community Services District (MBCSD) well, above Muir Beach Community Services District well, and above Highway One) in Redwood Creek in 1999. This graph shows those measurements taken above Highway One. The reference values represent the minimum Cold water habitat (7.0 mg/L) and Warm water habitat (5.0 mg/L) criteria from the San Francisco Bay Regional Water Quality Control Board 1995 Basin Plan (CRWQCB, 1995). Dissolved oxygen concentrations at this site went below the Warm water criterion and dropped to stressful and lethal levels for salmon and steelhead. D.O. readings from automated probes may be artificially low if detritus or decaying organic material gets caught on the sensor. Data were provided by the Golden Gate National Recreation Area. See Map for water quality monitoring locations and Info Links for more information.
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wq_dissoxygen_redwood_1999.dbf (size 644,156 bytes)