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Newaukum River Effectiveness Monitoring: First Year (2018 Water Year) Water Quality Summary

Publication number Date Published
21-03-019November 2021
VIEW NOW Newaukum River Effectiveness Monitoring: First Year (2018 Water Year) Water Quality Summary (Number of pages: 29) (Publication Size: 1949KB)

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Author(s) Wolfe, J.
Description This report presents a data summary of water quality parameters measured in the Newaukum River watershed by the Washington State Department of Ecology (Ecology) during the 2018 Water Year (Oct 1, 2017 – Sept 30, 2018).

During this time period, Ecology conducted water quality sampling monthly at five ambient sites. Also, in situ water quality was measured and biological samples were collected at these five sites as well as other sites during Ecology’s Watershed Health Monitoring (WHM) assessments.

Water conditions at several ambient monitoring stations failed to meet criteria for five parameters: temperature, dissolved oxygen, pH, fecal coliform bacteria, and E. coli bacteria. Benthic macroinvertebrate data were also collected at several sites throughout the watershed, and their scores were compared to reference scores for the Puget Sound Lowland Ecoregion. Three sites scored below (did not meet) the criteria threshold of 65: Middle Fork at river mile (RM) 0.2, Newaukum at RM 4.6, and North Fork at RM 1.9. All other sites scored above (met) the criteria threshold.
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Keywords effectiveness monitoring, water quality, Newaukum River
WEB PAGE Newaukum River effectiveness monitoring
WATERSHED Water Resource Inventory Area 23 Upper Chehalis
DATA Environmental Information Management (EIM) #WHM_EFF3

Environmental Information Management (EIM) #WHM_EFF3_P


Quality Assurance Project Plan: Newaukum River Monitoring of the Effectiveness of Best Management Practices (BMPs) for Sediment and Nutrient Reduction