BMP Installation & Maintenance in King County WA
We install, inspect, and maintain erosion and sediment controls that pass inspection — and protect your site.
From straw wattles to check dams, Sandbagger delivers commercial-grade Best Management Practices that meet SWPPP and DOE specs on active construction sites.
What Are BMPs?
Field-Tested Tools for Erosion, Sediment, and Stormwater Control
Best Management Practices (BMPs) are job site controls used to:
Prevent sediment and contaminants from entering storm drains
Minimize erosion on slopes and disturbed soil
Slow water flow and direct runoff safely
Keep your project compliant with DOE, EPA, and city requirements
We install BMPs that work — and maintain them to keep inspectors satisfied.
What We Install
Full-Scale BMP Services for Commercial Construction Sites
Silt fences with reinforced posts and trenched edges
Straw wattles / fiber rolls for slope and perimeter control
Check dams for slowing stormwater in ditches and swales
Sediment filter berms and diversion barriers
Silt dikes and curb inlet protection
Gravel entry pads and construction access BMPs
Temporary seeding / stabilization measures
Installed to spec, documented, and ready for inspection.
Ongoing Maintenance & Replacement
Inspections, Adjustments, and Replacements — We Handle It All
Weekly BMP condition checks
Post-storm inspections and photo documentation
Repair or replacement of damaged controls
Removal of sediment buildup or debris
SWPPP compliance logs and reporting
Your crew builds — we handle the paperwork, site protection, and compliance details.
Certified for Compliance
BMPs Installed by Certified Pros
WA Certified Erosion & Sediment Control Lead (CESCL)
DOE and SWPPP BMP expertise
Trusted by developers, cities, and general contractors
RainWise-certified and woman-owned
Detailed records and quick response to corrective actions
Ideal For
BMP Services for Projects That Need to Stay on Schedule
Housing subdivisions
Commercial parking lots and pads
Warehouse and industrial sites
City infrastructure build
School and civic buildings
Utility trenching and telecom sites
Where We Work
BMP Installation & Maintenance Across King County WA
We reshape yards and correct slopes across:
Seattle
Bellevue
KENT
SHORELINE
RENTON
Federal Way
auburn
TUKWILA
DES MOINES
and surrounding areas
REVIEWS
Contractor Reviews
Superintendent, Bellevue WA
Sandbagger got all our BMPs in before the first inspection — no corrections needed.
Commercial Developer, Seattle WA
They handle the erosion controls and the reports. One less headache for our PMs.
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FAQs
BMP FAQs
How often should BMPs be inspected?
Most sites require weekly inspections and additional checks after storm events. We handle both.
What happens if BMPs fail inspection?
We correct and document any failures immediately — and help you avoid re-inspection delays or fines.
Can you coordinate BMP work with other site trades?
Yes — we work around grading, excavation, utilities, and paving crews to keep your site moving.
Keep Your Site Protected and Your Inspectors Happy
Let Sandbagger handle your BMP install, inspection, and maintenance — so you can stay focused on building.