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Johnson Creek Basin Hydrologic Monitoring

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Welcome to the Johnson Creek Basin Hydrologic Monitoring Home Page. The U.S. Geological Survey (USGS) and the jurisdictions in the region are providing hydrologic data for the Johnson Creek Basin. Real-time surface-water and groundwater data, as well as historic data and analyses, will help improve our understanding of the hydrology of the basin. Here you will find a description of the study and other useful information pertinent to this work.

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PROJECT CHIEF: Adam Stonewall
COOPERATING AGENCIES: Portland (Bureau of Environmental Services), Gresham, Milwaukie, Damascus, Clackamas County Water Environment Services, Multnomah County, East Multnomah Soil and Water Conservation District
LOCATION: Johnson Creek Basin, Oregon

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Project Overview

  • Background

  • An overview of the hydrologic issues in the basin
  • Approach

  • Primary goals of the study, data collection and methods of analysis
  • Recent reports

  • Data and interpretive reports
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Hydrologic Data

Groundwater-Streamgaging Site

Stream Monitoring

Real-time data

Groundwater Monitoring


SIR 2017-5024. Developing flood-inundation maps for Johnson Creek, Portland, Oregon by Adam Stonewall and Benjamin Beal

OFR 2016-1079. Evaluation of flood inundation in Crystal Springs Creek, Portland, Oregon by Adam Stonewall and Glen Hess

OFR 2016-1076. Development of a CE-QUAL-W2 temperature model for Crystal Springs Lake, Portland, Oregon by Norman L. Buccola and Adam J. Stonewall

Webpage. Water levels at the 0.01 Annual Exceedance Probability at the Glenwood Street and Bybee Boulevard Crossings of Crystal Springs Creek, Portland, Oregon, by Adam Stonewall

SIR 2012-5200. Suspended-Sediment Characteristics of the Johnson Creek Basin, Oregon, Water Years 2007–10, by Adam J. Stonewall and Heather M. Bragg

SIR 2009-5123. Hydrology of the Johnson Creek Basin, Oregon, by Karl K. Lee and Daniel T. Snyder

FS 2010-3030. Hydrology of Johnson Creek Basin, a Mixed-Use Drainage Basin in the Portland, Oregon, Metropolitan Area, by John S. Williams, Karl K. Lee, and Daniel T. Snyder.



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Page Last Modified: Monday, 17-Apr-2017 14:20:19 EDT