Marysville, WA Environmental Rules: Stormwater Management (2026)
Key Facts
- Standard adopted
- 2019 DOE Stormwater Manual
- Also required
- City's own EDDS
- Conflict rule
- Stricter standard applies
- New-permit cutoff
- Applies from July 1, 2022
Summary
Marysville adopts the state's 2019 Stormwater Management Manual for Western Washington as its own minimum drainage standard for new development and construction.
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 engineering design and development standards (EDDS). If there is a conflict between the Stormwater Manual, EDDS or any other ordinance of the city, that which provides more environmental protection shall apply. Design requirements from the 2019 Stormwater Manual shall apply to all permit applications submitted:
(1) On or after July 1, 2022;
(2) Prior to January 1, 2017, that have not started construction by July 1, 2022; or
(3) Prior to July 1, 2022, that have not started construction by July 1, 2027. (Ord. 2476 § 2, 2003; Ord. 2816 § 1 (Exh. A), 2010; Ord. 3035 § 3 (Exh. C), 2016; Ord. 3218 § 1 (Exh. A), 2022)
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4922912; v1 updated 2026-06-08; through 06-08-2026).
Full Breakdown
Marysville Municipal Code § 14.15.015 folds the Department of Ecology's 2019 Stormwater Management Manual for Western Washington into city law as the minimum storm water regulation, technical reference, and maintenance standard for development in Marysville. Projects must also meet the city's own engineering design and development standards (EDDS), and whichever standard, Stormwater Manual, EDDS, or any other city ordinance, gives more environmental protection controls. The 2019 manual's design requirements apply to permits filed on or after July 1, 2022, with phased deadlines for older applications.
Violations & Fines
Enforcement runs through MMC Title 4's general code-enforcement process, as directed by MMC § 14.15.190; director decisions can be appealed to the hearing examiner for a $500.00 fee under § 14.15.220.
Frequently Asked Questions
Does Marysville have its own stormwater rulebook, or does it just use the state's?
Which rule wins if the state manual and Marysville's own standards conflict?
Sources & Official References
Other rules in Marysville
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Stormwater Management in Nearby Cities
How other cities in Snohomish County handle stormwater management.