1707 SCENIC DR SNO CO PUD 2020-03-10

SEPA ENVIRONMENTAL CHECKLIST FOR Beverly Park Switching Station Expansion AGENCY P.U.D. NO. 1 of Snohomish County USE 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. • N/A 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. • No 5) Does the proposal lie within a 100-year flood plain? If so, note location on the site plan. • No 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. • No b. Ground: 1) Will ground water be withdrawn, or will water be discharged to ground water? Give general description, purpose, and approximate quantities if known. • No ground water will be withdrawn. • No water will discharge to ground water except site storm water. 2) Describe waste material that will be discharged into the ground from septic tanks or other sources, if any (for example: Domestic sewage; industrial, containing the following chemicals...; agricultural; etc.) Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve. • The facility design does not include ground discharge of waste material. c. Water Runoff(including storm water): 1) Describe the source of runoff(including storm water) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow into other waters? If so, describe. • Surface water on the site (within the project area) is due entirely to precipitation falling onsite. Onsite surface water will be collected and conveyed via an underground system of existing and new catch basins and pipelines located within the switching station fence.