USGS Washington Water Science Center
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Groundwater is an important resource for domestic, commercial, and industrial usage in the Puyallup River Watershed, and groundwater discharge helps maintain late-summer and early-fall streamflow (baseflow) in many area streams. As the population grows, and commercial and industrial activity increases, so does the demand for groundwater. However, the quantity of available groundwater, the potential effects of future natural conditions and human activities on groundwater resources, and the potential impacts of groundwater withdrawals on streamflow in the watershed are not well understood. Additional information is required to help ensure the long-term sustainability of the area's groundwater and surface-water resources.
The objective of this study is to establish and operate a network of monthly groundwater-level and synoptic stream baseflow measurement sites. It is anticipated that these data will be integrated with other information into a numerical flow model to contribute to an improved understanding of water resources in the Puyallup River Watershed.