Environmental Rules in Lacey, WA (2026)
4 verified environmental rules for Lacey, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
In the City of Lacey, Washington, Chapter 14.27 LMC applies to land-disturbing activity and to new, replaced or converted hard surfaces on sites that discharge to the city's MS4 or to waters of the state, whether or not a city permit is required. Privately owned stormwater systems must be inspected annually and maintained by the owner at the owner's expense.
Lacey Stormwater Management Requirements
Significant RestrictionsLacey Municipal Code §§ 14.27.020, 14.27.060
14.27.020 Applicability/regulated activities. ... D. This chapter applies to the following actions on sites that discharge to the city’s MS4 or discharges to waters of the state whether or not a city-issued permit is required: 1. Land-disturbing activity; or 2. Creation of new hard surfaces; or 3. Replacement of existing hard surfaces; ... 6. Any other actions that can increase the volume or ra...
Erosion Control
In the City of Lacey, Washington, construction sites follow Core Requirement No. 2 of the Stormwater Design Manual, a construction stormwater pollution prevention plan (SWPPP), under LMC 14.27.050. City inspectors check erosion potential before clearing and verify erosion and sediment controls during construction under LMC 14.27.040(D).
Lacey Construction Erosion and Sediment Control
Some RestrictionsLacey Municipal Code §§ 14.27.040(D), 14.27.050, 14.27.100
14.27.040 Administration and authority. ... D. Inspections. 1. The city shall inspect projects at various stages of the work to determine if they comply with the requirements of this chapter, and enforcement actions shall be taken as necessary. These inspections will include, but not be limited to, the following: a. Prior to site clearing and construction to assess site erosion potential; and b...
Flood Zones
The City of Lacey prohibits development on lands designated as flood hazard areas, with five narrow exemptions for trails, utilities, roads, pre-existing structure maintenance that does not enlarge the footprint, and approved public improvements. Exempt work still needs a development permit from the building official and must meet the extra standards in LMC 14.34.084.
Flood Hazard Area Development Ban in the City of Lacey, Washington
Heavy RestrictionsLacey Municipal Code § 14.34.082
Because of the potential hazard to life and property and the restrictions already in place related to sensitive areas on those lands designated as flood hazard within the city of Lacey, development as defined in LMC 14.34.010 shall be prohibited on lands designated as flood hazard areas with only a few exemptions. Exemptions are listed below and must meet requirements of LMC 14.34.084: A. Trail...
Flood Elevation Requirements
In the City of Lacey, a substantially improved pre-existing residential structure must have its lowest floor at least one foot above the base flood elevation (BFE). Where no BFE is available in an unnumbered A zone, the lowest floor must be at least two feet above the highest adjacent grade. Nonresidential buildings follow one foot above BFE or ASCE 24, whichever is greater.
Base Flood Elevation Requirements in the City of Lacey, Washington
Some RestrictionsLacey Municipal Code § 14.34.130
A. Residential Construction. 1. Substantial improvement of any pre-existing residential structure shall have the lowest floor, including basement, elevated one foot or more above the base flood elevation (BFE) and shall not be permitted in the floodway (see LMC 14.34.140(B)). Mechanical equipment and utilities shall be waterproof or elevated at least one foot above the BFE. ... 4. New construct...
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