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<br />www.pca.state.mn.us • 651-296-6300 • 800-657-3864 • Use your preferred relay service • Available in alternative formats <br />wq-strm2-47 • 9/27/18 Page 9 of 11 <br /> Wet sedimentation basin (continued) <br /> The basin is configured to minimize scour <br />or resuspension of solids <br /> Outlets must be designed to discharge at <br />less than 5.66 cubic feet per second (cfs) <br />per acre of pond <br /> Outlets must be designed to prevent short <br />circuiting <br /> Outlets must be designed to prevent the <br />discharge of floatables <br /> A stabilized emergency overflow is <br />provided <br /> Adequate maintenance access is provided <br /> The basin is located outside of surface <br />waters and any buffer zones required in <br />item 23.11 <br /> If the basin is in active karst terrain, the <br />basin must be designed with an <br />impermeable liner <br /> <br /> Notes <br /> <br /> <br /> Regional wet sedimentation basin <br />Yes N/A <br /> Provide written authorization from the <br />owner of the regional basin <br /> Ensure that there will be no significant <br />degradation of waterways between the <br />project and the regional basin <br /> The regional basin design conforms to the <br />permit requirements for a wet <br />sedimentation basin <br /> <br /> Notes <br /> <br /> <br />Yes N/A Record retention requirements: <br /> The SWPPP (including all changes to it) must be kept <br />at the site during construction by the permittee who <br />has operational control of that portion of the site <br /> <br /> Notes <br /> <br />