River and stream flow monitoring
We report the amount of water flowing through Washington’s rivers and streams using graphs and maps.
Online tool: Freshwater Information Network
We monitor water quality at nearly 100 river and stream stations throughout the state to understand the health of waterways.
Online tool: Aquatic Plant and Algae Management (login required)
This database is for permit coverages to control aquatic plants, algae, or phosphorous using chemicals that are put directly into surface water like lakes or streams.
Online tool: Flow Monitoring Network
Look up nearly real-time streamflow and water quality data
Manning's n calculator
An Excel/VBA program to calculate Manning's n (or depth) from cross-section data for trapezoidal or rectangular channels based on equation 14.32 in Chapra's Surface water quality modeling textbook.
East Fork Lewis River Partnership
Addressing water quality impairments in the East Fork Lewis River watershed through collaborative work with government entities, non-profits and private industry.
Electronic Signature Account for WQWebDMR
An Electronic Signature Account lets you sign and submit your electronic DMR from your computer. Your electronic signature serves as your written signature.
Long-term marine water column data
Long-term marine water column data, since 1999, in EIM, the Environmental Information Management application.
Publication index: Deschutes River
List of links to documents about water quality in the Deschutes River and Budd Inlet
Publication index: Lower Duwamish River
List of links to documents and posters related to the Lower Duwamish River