Technical Data

Many stakeholders in the Clackamas River Watershed monitor water quality to meet regulatory requirements and to better understand the health of the watershed.  Below are links to reports, studies, and technical data for the basin.

Clackams River Basin Water Temperature Study

Year one data: Clackamas Water Temp Study year 1 data logs master spreadsheet

CRWP Post Fire WQ monitoring (2020-22)

CRWP Post Fire Test Results 2020-2022

Basic Water Quality Characteristics

Clackamas River Basin Council
WATER QUALITY MONITORING REPORT – 2011
WATER QUALITY MONITORING REPORT – 2013
WATER QUALITY MONITORING REPORT – 2014

Oregon Department of Environmental Quality
AMBIENT WATER QUALITY MONITORING SYSTEM DATABASE

US Environmental Protection Agency
HISTORICAL DATA ON STORET DATABASE

US Geological Survey
USGS Clackamas River Water Quality Monitoring Stations

Eagle Creek Water Quality
Eagle Creek water quality Bugni 2020 study final
Eagle Cree WQ Data Charts of results

Microplastic Study (2021)

Microplastic Study Presentation
Microplastic Study Report
Environmental Pollution – Microplastics in freshwater: A global review of factors affecting spatial and temporal variations 

Pesticides Studies and Reports

OR Department of Agriculture
GENERAL INFORMATION ON PESTICIDES AND WATER QUALITY

US Geological Survey
2005 REPORT ON PESTICIDES IN THE LOWER CLACKAMAS BASIN

Pesticide Stewardship Partnership (PSP)
PSP MONITORING SUMMARY – FEB 2015
Pesticide Stewardship Partnership 2015-17 Biennial Summary
Pesticide Stewardship Partners Biennium Report 2017-19

Macroinvertebrates Studies and Reports

Clackamas River Water Providers
Lower Clackamas River Basin Macroinvertebrate Monitoring Plan
2019 Lower Clackamas River Macroinvertebrate Assessment
2018 Lower Clackamas River Macroinvertebrate Assessment
MACROINVERTEBRATE COMMUNITY CONDITIONS of the LOWER CLACKAMAS RIVER BASIN 1997-2016
Lower Clackamas River Macroinvertebrate Assessment (December 2013) 
Lower Clackamas River Macroinvertebrate Assessment (2014)
2013-2015 Lower Clackamas River Macroinvertebrate Assessment

Clackamas Soil and Water Conservation District
2018 CSWCD Stream Benthic Macros Assessment
2016-CSWCD Stream Benthic Macro Assessment
2012 CSWCD Stream Benthic Macro Assessment

Clackamas River Basin Council
2013 CRBC macro data
2011 CRBC Macro data

Summary Reports

NRCS – National Water Quality Initative Clackamas Source Water Assessment Plan (May 2022)
FINAL NRCS-NWQI CRWP Source Water Assessment Plan

OR Department of Environmental Quality
CLACKAMAS SUBBASIN WATER QUALITY OVERVIEW

OR Department of Environmental Quality
OREGON’S 2018/20 INTEGRATED REPORT

OR Department of Environmental Quality
WILLAMETTE BASIN GROUNDWATER QUALITY REPORT

US Geological Survey
STUDY OF ORGANIC COMPOUNDS IN CLACKAMAS RIVER WATER

DEQ Source Water Assessment
Clackamas River Public Water Systems

Annual Drinking Water Quality Reports

City of Estacada  WATER QUALITY REPORTS

City of Gladstone CONSUMER CONFIDENCE REPORTS

City of Lake Oswego WATER QUALITY REPORTS

City of Oregon City WATER QUALITY REPORTS

City of West Linn WATER QUALITY REPORTS

Clackamas River Water WATER QUALITY REPORTS

Oak Lodge Water District WATER QUALITY REPORTS

Sunrise Water Authority WATER QUALITY REPORTS

Action Plans

Clackamas River Basin Council
BASIN ACTION PLAN

Clackamas River Water Providers
DRINKING WATER PROTECTION PLAN

OR Department of Agriculture
AGRICULTURAL WATER QUALITY MANAGEMENT PLANS

OR Department of Fish and Wildlife
UPPER WILLAMETTE RIVER CONSERVATION AND RECOVERY PLAN

Water Environment Services
WATERSHED HEALTH ACTION PLANS