CCP 03202023 - Laserfiche WebLink

Home

3 site or regional stormwater ponding/retention facility designed to 39 accommodate the increased runoff prior to discharge from the site into 40 public waters or wetlands. 41 2. Review by City Engineer: All proposed stormwater facilities shall be 42 reviewed by the Ccity Eengineer and certified for compliance with the 43 city's comprehensive surface water management plan, National Urban 44 Runoff Program (NURP) standards, the Minnesota Pollution Control 45 Agency's (MPCA) Urban Best Management Practices, and any 46 established standards of the water management organization having 47 jurisdiction in the project area. 48 3. Commercial, Industrial, and Residential Development Affectation: All 49 commercial and industrial developments and redevelopments affecting 50 more than five acres of land and all residential developments affecting 51 more than five 5 acres of land shall: 52 i. Be served by stormwater ponding facilities, on- or off-site, 53 designed to remove a minimum of 90% of total suspended 54 solids resulting from the runoff from a one inch rainfall event, 55 and 56 ii. Within the development, provide for settling chambers, sumps, 57 dry ponds or other devices to provide for the filtering or settling 58 of fine sands prior to discharge into the city's stormwater 59 system.[RJ7][RJ8] 60 F. Private Stormwater Facilities: All private stormwater facilities shall be 61 maintained in proper condition consistent with the performance standards for 62 which they were originally designed. All settled materials from ponds, sumps, 63 grit chambers, and other devices, including settled solids, shall be removed and 64 properly disposed of on a five year interval. One to five year waivers from this 65 requirement may be granted by the cCity Eengineer when the owner presents 66 evidence that the facility has additional capacity to remove settled solids in 67 accordance with the original design capacity. 68 G. Inventory of Private Stormwater Facilities: Upon adoption of this chapter, the 69 Ccity Eengineer shall inventory and maintain a database for all private 70 stormwater facilities requiring maintenance to assure compliance with this 71 section. 72 73 74 803.05 803.06: STORMWATER BEST MANAGEMENT 75 PRACTICE (BMP) MAINTENANCE: 76 A. Maintenance of Stormwater BMPs. The City requires that stormwater BMPs 77 be maintained. 78 1. Private Stormwater BMPs - All private stormwater BMPs shall be 79 maintained by the property owner so that the BMPs are in proper condition 80 consistent with the performance standards for which they were originally 81 designed. 82 a. Ponds, Stormwater Wetlands, Underground Storage, and other BMPs 83 that settle pollutants 84 i. Removal of settled materials - All settled materials from ponds, and 85 other BMPs, including settled solids, shall be removed and properly 86 RCA Attachment B