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Wide Hollow Creek Temperature, Dissolved Oxygen, and pH Water Quality Study for Aquatic Life, 2013-2014

Publication number Date Published
20-03-007July 2020
VIEW NOW Wide Hollow Creek Temperature, Dissolved Oxygen, and pH Water Quality Study for Aquatic Life, 2013-2014 (Number of pages: 164) (Publication Size: 8542KB)

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Author(s) Carroll, J. and E. Newell
Description This report examined water quality in Wide Hollow Creek for the 2013-2014 study year, when exceedances for water temperature, dissolved oxygen (DO), and pH were present and limited aquatic life uses. The Department of Ecology calibrated a water quality model (QUAL2Kw) to observed conditions in order to simulate water temperature, DO, and pH levels in Wide Hollow Creek.

Water quality model simulations showed that water temperature, DO, and pH in Wide Hollow Creek were predicted to be worse when eliminating irrigation water additions to the creek and reducing shade in the riparian zone. Simulating estimated pre-development conditions resulted in several Wide Hollow Creek reaches going dry, suggesting intermittent hydrologic conditions in pre-development times.
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Keywords Cottonwood Creek, East Spring Creek, aquatic life, Wide Hollow Creek, water quality model, temperature, 303(d), water quality, watershed, TMDL, Total Maximum Daily Load, pH, nutrient, irrigation, dissolved oxygen
WATERSHED Water Resource Inventory Area 37 Lower Yakima
DATA Environmental Information Management (EIM) #JICA0002