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2019 MS4 Annual Report Post Construction Activities Stormwater Best Mani Stormwater Pond Inspection Form Stormwate To he completed quarterly and saved for your records Stormwater ponds are a versatile simmonso r tunes and stores Stormwater runoff to reduce v stream, using biological, physical, and chemical pi from surface water Two types of stormwater Pon( • Wet ponds or stormwater wetlands have a p surface inflow balanced by cattle.. Thair pc rather than manage volume and flow, as sec flows into a at. sewer cr stream. • Dry ponds primarily manage volume and flc exeess water said allowing it to discharge inl Pollutants and sediment do settle out, but b Stormwater ponds need to be inspected and min ality. They should be inspected quarterly at a mint recent or recurring issues. An inspection form can Wet Pond/Wetland Dry Pond BMP Namedsocatimt. Inspectors: Surrounding land use: Data. Data of last rainfall: Wet Pond/Wetland or Dry Pond (circle one) Condition (&ceReat, Msimman re Item (larol, For, Poor)* Comments General Condition & Debris Pond and surrounding area clear of litter and vegetative debris Condition o(culverts i outlets / overflow spillway Removal of sediment buildup at Here, ontlets, and pretreatment stro'b cs Stable sail structure or remedia- tion of erosion at ml ts. outlets, basin slopes Wet Pond / Wetland Invasive species"" 1 other ands- irable vegetation removed Plant composition is ccoedin, to operation and maintenance plan Current water depth (inches), adequate depth far plant species Dry Pond De -waters between storms within 48 home, no mmawng wet spots r standing water Turf grass height is maintained at less than 8 inches Adequatevegataner, undesirable vegetation removed •Items it Fair or Woe cvnelia.. ahaald be addressed through maiatenanae seliAties as awn as possible. — Invasive e,x caa include awlethom, garlic mu vmd, purple looaestrif,. FWrther information on' sp. an&ramoen.gae of stormo.ter panda can be found in the Nimoseata Stormwater Manual, under "Operation and maintenance of stormwahr ponds." iwater Best Management Practices: Bioretention Basins .sine are a stormwnter beat management practice (BMP) that controls the and quantity of surface water after a storm, using engineered or mixed s to capture and infiltrate runuil'. There are twu primary types of bucru o- re commonly found in Roseville: asins reduce immediate strain on the sewer system after a storm by control face water flow rate and increasing water quality. Once the water is filtered soil, an outflow pipe drains into the storm sewer or other water body. basins similarly control the flow rate and quality of surface storm water. ,.in garden., these basins allow the water to infiltrate through the soil and o the local groundwater instead of being carried away. .sins have vegetation and soils that need to be inspected and managed mg - roper functionality. They should be inspected quarterly at a minimum, and the RMP has recent or recurring issues. A. inspection farm can be found sf this page. 'filtration Basin I Primary Concerns (filtration Basin intdon and erosion are the anon issues with bioretention i Roseville. Iilets, outlets, sad moot structures should be shment in order for the BNO m properly. Standing water am is an indicator of poor in City Code City maim. nee.' regarding etnrmw.ter and best management practices van be found in Chapter 803 of the Roseville Code, and particular ordinonces re- garding erosion and sedimentation wntrul wr be f, and in W3.04. Aroued- Ing to city code, inspection and maimermnce of bioretention basins and other Stormwater RWa are the responsibility of the property owner, and mogligonco will result in a Native of Violation, followed by other enforce- ment measures if necessary.