Surface Water Management Division
State of the Lakes Report - 2003
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Executive Summary (627 kb PDF download)
County-Wide Summary - Entire Document (867 kb PDF download)
County-Wide Summary (by individual sections)
Cover, Title Page, Acknowledgements (318 kb PDF download)
Table of Contents (232 kb PDF download)
Introduction (441 kb PDF download)
- Lake Management in Snohomish County
- Purpose of This Report
- Lakes in Snohomish County
Lake Characteristics (622 kb PDF download)
- Lake Size, Shape, Volume, and Depth
- Lake Watersheds and the Water Cycle
- Temperature and Stratification
- Dissolved Oxygen
- Nutrients
- Algae
- Zooplankton, Fish, Benthos, and the Food Web
- Aquatic Plants
- Water Clarity and Color
- pH, Alkalinity, and Conductivity
- Eutrophication and Trophic State
Summary and Comparison of Snohomish County Lake Conditions (1.9 Mb PDF download)
- Comparison of Physical Characteristics
- Comparison of Shoreline and Watershed Development
- Summary of Recreational Opportunities
- Comparison of Temperature and Dissolved Oxygen
- Water Clarity Comparisons and Trends
- Comparison of Water Color
- Total Phosphorus Comparisons and Trends
- Comparison of Algae
- Comparison of Aquatic Vegetation
- Comparison of Trophic States
- Summary of Lake Problems
- Summary of Lake Conditions
Recommendations and Future Directions (325 kb PDF download)
- Water Quality Targets
- Summary of Recommendations fro Individual Lakes
- Criteria for Future Actions
- Steps That All Citizens Can Take
Methods and Sources (542 kb PDF download)
- Volunteer Monitoring
- SWM Staff Monitoring
- Other Data Sources
- Data Management and Analysis
Glossary (206 kb PDF download)
References (200 kb PDF download)
Clickable Map of Lakes (278 kb PDF download)
Individual Lake Reports
Understanding Lake Ecology (437 kb PDF download)