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Bioretention Area Inspection and Maintenance Checklist Property Address: Property Owner: Treatment Measure No.: Date of Inspection: Type of Inspection: I • Monthly Pre-Wet Season •After heavy runoff I End of Wet Season Inspector(s): Other: Defect Conditions When Maintenance Is Maintenance Comments(Describe maintenance Results Expected When Needed Needed?(YIN) completed and if needed maintenance was Maintenance Is Performed not conducted,note when it will be done) 1.Standing Water When water stands in the Bioretention There should be no areas of area between storms and does not standing water once inflow has drain within five days after rainfall. ceased. Any of the following may apply:sediment or trash blockages removed,improved grade from head to foot of Bioretention area,or added underdrains. 2.Trash and Debris Trash and debris accumulated in the Trash and debris removed from Accumulation Bioretention area. Bioretention area and disposed of properly. 3.Sediment Evidence of sedimentation in Material removed so that there is no Bioretention area. clogging or blockage. Material is disposed of properly. 4. Erosion Channels have formed around inlets, Obstructions and sediment removed there are areas of bare soil,and/or so that water flows freely and other evidence of erosion. disperses over a wide area. • Obstructions and sediment are disposed of properly. 5.Vegetation Vegetation is dead,diseased and/or Vegetation is healthy and attractive overgrown. in appearance. 6. Mulch Mulch is missing or patchy in All bare earth is covered,except appearance. Areas of bare earth are mulch is kept 6 inches away from exposed,or mulch layer is less than 3 trunks of trees and shrubs. Mulch is inches in depth. even in appearance,at a depth of 3 inches. 7.Miscellaneous Any condition not covered above that Meet the design specifications. needs attention in order for the Bioretention area to function as designed.