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Ms. Rachel Juba November 3, 2022 Page 2 7. Per RCWD Rule C.6.d.2 if infiltration is feasible onsite, onsite volume control through either infiltration or water reuse must be used to provide the required water quality volume. If it not feasible for infiltration to provide all of the required water quality volume and alternative BMPs are proposed to provide water quality volume, it must be documented why that is the case. It should be noted that the site appears to be located within a high vulnerability DWSMA which requires a higher level of engineering review for infiltration to confirm infiltration will not cause negative impacts on groundwater. 8. Rate control and freeboard requirements are shown to be met with the current design but should be confirmed once comments on water quality have been addressed. 9. Drainage and utility easement should be shown over the proposed stormwater management basins and access pathways to the basins. 10. A maintenance agreement will be required for the stormwater management facilities. 11. Water reuse on this site is not intended, nor practical given the site characteristics. 12. Stormwater plan and model comments have been provided to applicant and will need to be addressed in future submittals for documentation and permitting purposes. Wetland 13. 0.39 acres of wetland impacts are proposed with the project. A replacement plan application was submitted on September 27, 2022. Comments were received by the TEP and the applicant is currently working to address those comments. Thank you for the opportunity to provide comments on this project. Additional comments may be necessary following the review of the responses to these. If you have any questions, please do not hesitate to contact me at 651-286-8463. Sincerely, WSB Mark Erichson, PE City Engineer cc: Scott Anderson, Public Works Director(email only) Liz Finnegan, Senior Engineering Technician (email only)