| Area | Americano Creek |
| Topic | WQ: Dissolved Oxygen in Americano Creek/Estero Americano 1988-1990 |
| Caption: The graph shows average, minimum, and maximum dissolved oxygen concentrations measured in Americano Creek, and its estuary Estero Americano, during 1988-1990. Sampling occurred generally monthly, with the number of dissolved oxygen measurements at each station ranging from 18 to 30 samples for the monitoring period. Note that Stations E-1 through E-5 are estuarine. The minimum dissolved oxygen levels at sites E-4 through E-7 were below lethal levels for salmonids. The reference values represent the minimum North Coast Regional Water Quality Control Board (NCRWQCB) 2001 Basin Plan criterion for Cold water habitat (6.0 mg/L) and Warm water habitat (5.0 mg/L) (CRWQCB, 2001). In addition, waters with beneficial use designation of Spawning must meet a minimum criterion of 7.0 mg/L , plus a minimum of 9.0 mg/L during critical spawning and egg incubation periods. This monitoring was part of a water quality study of Americano and Stemple Creek watersheds by Merritt Smith Consulting for the City of Santa Rosa and U.S. Army Corps of Engineers. See Picture for a map of the sampling locations and Info Links for more details. | |
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To download the table with the chart's source data, click wq_americano_msc_1988_1994.xls.db (size 96,256 bytes)
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