Consistent with the requirements contained in this Chapter, Lewis County shall approve, conditionally approve, or disapprove stormwater plans and facilities for the following activities, unless exempted in LCC § 17.45.100:
(1) 
All long subdivision plats.
(2) 
Those short subdivision plats whose stated purpose would require issuance of building permits when the total proposed short subdivision plat development would not meet the exemption criteria in LCC § 17.45.100.
(3) 
All construction, including remodeling, reconstruction, and new construction which add five thousand (5,000) square feet or more of impervious surfaces, including gravel parking areas.
(4) 
Developments entailing construction which would change the point of discharge of surface waters, discharge surface waters at a higher velocity and/or quantity than that prior to development, or increase pollution of surface waters.
(Ord. 1161 § 4, 1998)
The following are exempt from this Chapter:
(1) 
Construction and development involving commercial agriculture and forest practices regulated under Title 222 WAC.
(2) 
Development undertaken by the Washington State Department of Transportation in state highway right-of-ways.
(3) 
Those divisions of land exempt by Chapters 16.05 or 16.10 LCC.
(4) 
Those activities permitted under Title 15 LCC when a previous stormwater approval, applicable to the subject building lots, has been provided consistent with LCC § 15.45.090(1).
(5) 
Individual single family residences that do not exceed 5,000 square feet of impervious surfaces for lot sizes less than 0.77 acre, or fifteen percent (15%) of impervious surfaces to lot size for lot sizes greater than or equal to 0.77 acre.
(Ord. 1161 § 4, 1998)