Water Management

From Salish Sea Wiki


Both the quantity and quality of surface and ground waters is a large interrelated set of topics, and one of the ecosystem service priorities of government. This page and its associated topics provides an overview of water cycle management.

Local Management of Water

  • Most counties have a surface water management work group within a public works department. This group may have some of the authorities of an independent public utility (for example Seattle Public Utilities).
  • In some counties, some water management functions may be delegated to a diking or drainage district, a watershed improvement district, or other Special Purpose District.
  • Most counties have a land use planning and regulatory workgroup. This group defines land use regulations based on state law, reflected in county codes. Of particular importance for ecosystem management are Critical Area Ordinances and Comprehensive Plans driven by the Growth Management Act which limit activities and determine the intensity of development near water systems, and Shoreline Master Plans driven by the Shoreline Management Act which is intended to specifically prevents net loss of ecological functions near water systems.
  • Local governments often use state expertise as Best Available Science for the purpose of informing their Critical Areas Regulation or Shoreline Master Programs.

State Management of Water

Federal Management of Water

  • Clean Water Act is the driver of federal water management. Section 404 drives regulation of wetlands. The EPA is responsible for implementing most of the clean water act, however the USACE has specific roles in wetland management, and many federal authorities are delegated to WDOE.
  • Water affects endangered salmon and so federal agencies that effect water quantity or quality are required to consult with NOAA or USFWS (Depending on the species) about whether the program is meeting Endangered Species Act requirements. This affects water quality standards, and flow requirements.


Water Management Topics

The following Product pages are categorized with Water Management.

303(d) Listing  •  Beaver  •  Clean Water Act  •  Coho Mortality from Road Stormwater  •  Composting Toilets  •  Critical Aquifer Recharge Areas  •  Effects of Forest Management on Stream Flow  •  Effects of Stormwater Pollution on Fish  •  Grey Water  •  Groundwater  •  Groundwater recharge  •  Harvesting Surface Water for Irrigation  •  Hood Canal Low Oxygen Levels  •  In-Stream Flow  •  LiDAR  •  National Pollutant Discharge Elimination System (NPDES)  •  Nitrogen  •  Nooksack Watershed General Stream Adjudication  •  Riverscape  •  Roads and Streams  •  Storm and Surface Water Drainage Utilities  •  Stormwater Monitoring with Mussels  •  Temporary Water Right for Restoration Irrigation  •  Total Maximum Daily Load  •  Water Harvesting for Restoration  •  Water Sustainability Act  •  Watershed Planning Act

Workgroups and Efforts in Water Management

Water Management Products

The following Product pages are categorized with Water Management.

Document Icon.jpg  Documents

Allan 2004 land use and stream ecosystems  •  Bowling & Lettenmaier 1997 forest road effects on streamflow  •  Dickerson-Lange 2017 nooksack watershed management watershed function.pdf  •  Gendaszek 2011 ground surface water interactions chehalis.pdf  •  Hirschey & Sinclair 1992 hydrogeology scatter creek black river thesis.pdf  •  Hume 2022 hydrologic condition index land use.pdf  •  Lawrence 2006 stillaguamish temperature TMDL strategy  •  Leonetti 2015 stillaguamish temperature TMDL study.pdf  •  Lucchetta et al 2014 land use regulation and stream flow king county.pdf  •  Mauger et al 2015 snohomish downscale hydrologic projections.pdf  •  Mote et al 2003 preparing for climate change salmon water and forests  •  Olympia 2018 surface and storm water plan.pdf  •  Olympia 2019 stormwater management program plan.pdf  •  Pelletier & Bilhimer 2004 stillaguamish temperature TMDL study  •  Rentz et al 2020 WDFW riparian management recommendations.pdf  •  SSI 2020 freshwater quality implementation strategy.pdf  •  SnoCo 2017 diking and drainage district relationships.pdf  •  Stanley et al 2012 watershed assessment water model  •  Stanley et al 2018 memo watershed characterization hydrologic condition index.pdf  •  Thurston County 2006 scatter creek aquifer water quality whitepaper.pdf  •  Thurston County 2007 henderson inlet watershed characterization.pdf  •  WDOE 2015 water quality nonpoint plan.pdf  •  Yeomans 1958 the challenge of landscape

Website Icon.jpg  Websites & Datasets

Graphic Icon.jpg  Graphics