Environmental Rules in Marysville, WA (2026)
5 verified environmental rules for Marysville, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Marysville adopts the state's 2019 Stormwater Management Manual for Western Washington as its own minimum drainage standard for new development and construction.
Marysville Stormwater Manual Standards
Some RestrictionsMarysville Municipal Code § 14.15.015
The State Department of Ecology 2019 Stormwater Management Manual for Western Washington, as amended by this code, is hereby adopted as the city's minimum storm water regulations, technical reference manual and maintenance standard and is hereinafter referred to as the "Stormwater Manual." Storm water infrastructure shall also be designed and constructed in accordance with the city's engineerin...
Erosion Control
Marysville requires a clearing and grading permit before moving 50 or more cubic yards of fill and cut, clearing over 1,000 square feet, or disturbing a sensitive area, issued by engineering for one year.
Marysville Grading & Drainage Permits
Some RestrictionsMarysville Municipal Code § 22D.050.020(1), (3)
A clearing and grading permit is required for a project involving any of the following, except as provided for in subsection (2) of this section. ... Fill and/or excavation totaling 50 cubic yards. ... Over 1,000 square feet of clearing, as measured at the ground level. ... The clearing and grading permit shall be issued by the engineering department and shall be effective for one year but may,...
Flood Zones
Marysville requires a development permit before any construction, fill, or other development begins within a mapped area of special flood hazard, covering structures, manufactured homes, and land-disturbing activity alike.
Marysville Floodplain Development Permit
Some RestrictionsMarysville Municipal Code § 22E.020.080
A development permit shall be obtained before construction or development begins within any area of special flood hazard established in MMC § 22E.020.030. The permit shall be for all structures, including manufactured homes, as set forth in Chapter 22A.020 MMC, Definitions, and for all other development, including fill and other activities, also as set forth in Chapter 22A.020 MMC, Definitions....
Boat Dock Permits
Marysville caps private, noncommercial docks and boathouses at 20 feet high, 1,000 square feet of roof, and half the lot's shoreline width, with a five-foot side setback on covered structures.
Marysville Private Dock Standards
Some RestrictionsMarysville Municipal Code § 22C.020.070(16)
Dock and Boathouse, Private, Noncommercial. (a) The height of any covered overwater structure shall not exceed 20 feet as measured from the line of ordinary high water; (b) The total roof area of covered, overwater structures shall not exceed 1,000 square feet; (c) The entirety of such structures shall have not greater than 50 percent of the width of the lot at the natural shoreline up...
Flood Elevation Requirements
New and substantially improved residential structures in Marysville's special flood hazard areas must have their lowest floor, including the basement, built at least one foot above the base flood elevation.
Marysville 1-Foot Flood Freeboard Rule
Some RestrictionsMarysville Municipal Code § 22E.020.170(2)
New construction and substantial improvement of any residential structure shall have the lowest floor, including basement, elevated one foot above the base flood elevation. (3) Electrical, heating, ventilation, plumbing and air conditioning equipment and other service facilities shall be designed and/or located so as to prevent water from entering or accumulating within the components during...
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