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Wet Retention Pond Inspection Checklist <br /> Orono, MN <br /> BMP Information <br /> BMP ID: Inspector: <br /> Type of BMP: Wet Retention Pond Date: <br /> Location/Coordinates: Temperature: <br /> Owner: Weather: <br /> Year Constructed: <br /> Year Last Dredged: <br /> Normal Water Level: <br /> 100 Yr High Water Level: <br /> Drainage Area: <br /> Surface Area at NWL: <br /> No.Inlets/Size: <br /> No.Outlets/Size: <br /> Design Discharge Rates: <br /> Maintenance Priority <br /> (1—Low 5=High) <br /> Inspection: <br /> Maintenance Item Satisfactory/Unsatisfactory Comments <br /> A. Side Slopes (Inspect annually,after major storms) <br /> 1.Vegetation <br /> a.adequate cover <br /> b.undesirable species/plants <br /> 2.Erosion <br /> 3.Animal burrows <br /> 4.Unauthorized planting <br /> 5.Cracking,bulging,or sliding of side slopes <br /> a.upstream slopes <br /> b.downstream slopes <br /> 6. Seeps/leaks on downstream face <br /> 7. Slope protection or riprap failure <br /> 8.Other(specify) <br /> B. Principal Spillway(Inspect Annually) <br /> 1.Low flow trash rack <br /> a.free of debris <br /> b.corrosion control <br /> • <br /> 2.Sediment accumulation inside pipe <br /> 3.Condition <br /> a.cracks or displacement <br /> b.Minor spalling(<1") • <br /> c.Major spalling(rebars exposed) <br /> d.Joint Failures • <br /> • <br /> e.Water tightness <br /> 4.Sediment accumulation in manhole <br /> 5.Sediment accumulation in catch basin <br /> 6.Outfall channel functioning <br /> 7.Other(specify) • <br /> C. Permanent Pool <br /> 1.Undesirable vegetative growth <br /> 2.Floating or floatable debris removal <br /> required <br /> 10 <br /> 199945v1 <br />