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Surface Water Management
Events and Workshops
Events and Workshops
Check back soon to view a listing of upcoming public events and workshops hosted or co-sponsored by Snohomish County's Surface Water Management (SWM). Sign up to receive an email when this page is updated (see sidebar).
Completed Construction Projects
26th Dr SE - Everett (2018)
68th Ave NW - Stanwood (2018)
91st St SE - Everett (2019)
136th Pl SW - Lynnwood (2018)
180th St SE - Snohomish (2021)
268th St NW - Stanwood (2021)
Carter Rd - Bothell (2020)
Echo Lk Rd - Snohomish (2019)
Hand Rd - Monroe (2019)
Lake Serene / Bev Park Rd - Lynnwood (2019)
Larch Way - Lynnwood (2018)
Logan Rd - Lynnwood (2020)
Mann Rd, Haystack Crk - Sultan (2021)
Manor Way - Lynnwood (2019)
Maple Road & Ash Way - Lynnwood (2018)
Menzel Lk Rd - Granite Falls (2019)
Meridian Dr SE - Mill Creek (2018)
Norma Beach Rd - Lynnwood (2019)
Rice Rd - Sultan (2020)
Russell Rd & 28th Pl N - Lake Stevens (2018)
Sauk Prairie Rd - Darrington (2020)
Sauk Prairie Rd, Mouse Crk - Darrington (2021)
West Richmond Rd - Bothell (2019)
Current Construction Projects
132nd Ave SE - Snohomish (2025)
156th St SE - Snohomish (2022)
184th Pl SE - Bothell (2022)
280th St NE - Arlington (2022)
Cutthroat Crk - Woodinville (2022)
Jim Creek Rd - Arlington (2022)
Meadow Rd - Lynnwood (2025)
Soundview Dr - Stanwood (2022)
Drainage and Road Flooding
Report Drainage Problems
Urban Drainage
Drainage Manual
Drainage Manual - Past Editions
Drainage GIS
Events and Workshops
River Flooding
Flood Information Center
Know Your Flood Risk
Report Flood Damage
River Levels & Flood Stages
All Real-Time Gauges (by Basin)
Sauk River
Stillaguamish River
Stillaguamish-North Fork
Stillaguamish-South Fork
Snohomish River at Snohomish
Snohomish River at Monroe
Skykomish River
Snoqualmie River
Tips - Before a Flood
Tips - During a Flood
Tips - After a Flood
Technical Assistance (Buyouts & Elevations)
17722 115 St NE Buyout (Granite Falls)
17115 116 Pl NE Buyout (Arlington)
River Management & Analysis
Flood Hazard Management Planning
Community Rating System (CRS)
Sauk River Management Plan
Mapping the Flood Risk
DFIRM Floodplain Maps
Changes on the DFIRMs
Preliminary Maps
Snohomish County Flood Insurance Study (FIS)
Information & Outreach
Flood Awareness
Floodplains: Natural Benefits and Hazards
Floodplain Development Regulations
Flood Safety Guide
Salmon and Marine Habitat
Aquatic Habitat
Community Floodplain Solutions (CFS)
Flood Hazard Mapping
Sky Valley CFS Project
Fish Passage Culvert Program
Local Integrating Organization (LIO)
LIO-Current Priorities
LIO-Quarterly Reports
Funding Opportunities
LIO-Executive Committee Meetings
LIO-Implementation Committee Meetings
Human Wellbeing
Marine Shores
Native Plants
Adaptive Management
Highlighted Projects
Habitat Projects
Lower Pilchuck River Assessment
Past Projects
Mid-Spencer Island Restoration Project
Thomas' Eddy Restoration Project
Middle Pilchuck Restoration Project
Salmon
Snohomish Watershed Salmon Recovery Planning
Forum Roles & Activities
Forum & Committees Meetings
Grant Opportunities
Forum
Policy Development Committee
Technical Committee
Publications
Stillaguamish Watershed Salmon Recovery Planning
Smith Island Restoration Project
Technical Work/Documents
Sustainable Lands Strategy
About Sustainable Lands Strategy
SLS Meetings
Reach-Scale Plans
Protecting Our Land Resources
SWM Business Plan
SWM Library
Data
Links
Aquatic Habitat & Salmon Conservation
Government Agencies
Laws
Marine Resources
Partnering Agencies & Organizations
River Flooding & Erosion
Water Quality Resources
Maps
Drainage Inventory
Former Stillaguamish Clean Water District
Real Time Flood Warning System
River Atlas
Publications
Urban Drainage
SWM News
SWM Services / Contacts
SWM Utility Charges
Water Quality
Citizen Advisory Committees
Snohomish Salmon Recovery Forum
Marine Resources
Stillaguamish Watershed Council
Financial Incentives
Ground Water
Lakes
Aquatic Plants
Goodwin & Shoecraft Invasive Milfoil Control
Health & Recreation
Invasive Species
Lake Ketchum Restoration
Lake Levels
Lake Stevens Water Quality
LakeWise
LakeWise Lawns and Yards
LakeWise Septic Systems
LakeWise Shorelines
Roesiger Invasive Plant Control Project
Toxic Algae
Volunteer Lake Monitoring
Sunday Lake Invasive Plant Control
Preventing Pollution
Car Care
Natural Yard Care Videos
Natural Yard Care
Pet Waste
RainScaping
1 - Understand Runoff
2 - Evaluate Site
3 - Find Solutions
4 - Maintain
Events
Resources
Septic System Care
Use and Storage of Household Products
Watershed Stewards
Living with Beavers
Native Growth Protection Areas
NGPA/CAPA Management Plan
Streams
Invasive Plants
Native Plants
Knotweed Control Project
Water Quality
Business Inspections - Pollution Source Control
Ground Water Management Program
Lake Management Program
National Pollutant Discharge Elimination System
Plans & Annual Reports
Background
Get Involved
Little Bear Creek Water Quality Study
Related Codes
Requirements
Little Bear Creek Basin Project
Publications
Report Pollution
Basics of Good Reporting
Common Water Quality Problems
Shellfish Protection
Clean Water Resources for Residents
Discretionary Fund Rebate Program
Former Stillaguamish Clean Water District
Water Quality in the Stillaguamish River Basin
Lower Stilly PIC Program
About PIC
PIC Accomplishments
PIC Events
PIC History
PIC Partners
PIC Resident Involvement
PIC Water Quality
State of our Waters
Stream Health
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