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PA-'190026'1 (UP) Project - 3 - 1 O January 2020 San�Joaquin County Phase 1 nd 11 Mun'cipal S parate Storm Sewer System (MS41 Perm its The Phase 1 and II MS4 permits require the Permittees reduce pollutants and runoff flows from new development and redevelopment using Best Management Practices (BMPs) to the maximum extent practicable (MEP). MS4 Permittees_have their own development standards, also known as Low Impact Development (LID)/post- construction standards that include a hyd romodification component. The MS4 permits also require specific design concepts for LID/post-construction BMPs in the early stages of a project during the entitlement and CEQA process and the development plan review process. For mora information on which Phase 1 MS4 Permit this project applies to, visit the Central Valley Water Board website at: htto//www waterboards ca oov/centralvallev/water issues/store water/municipal o ernits/ For more information on the Phases II.MS4 permit and who it applies to, visit the State Water Resources Control Board at: htto//www waterboards ca oov/water issues/oroc rams/stormwater/phase ii munici pal.shtml Industrial Storrs Water General Permit Stone water discharges associated with industrial sites must comply with the - regulations contained in the Industrial Stone Water General Permit Order No. 20'14- 0057-DWQ. For more information on the Industrial Storm Water General Permit, visit the Central Valley Water Board website at: htto//www waterboards ca pov/c ntralvallav/water issues/storm water/industrial c eneral perm"ts/index shtml If you have questions regarding these comments, please contact me at (9'16) 464- 4656�jo/�r/Nicholas.White waterboards.ca.gov. i��/!/ " � Nicholas 1Nhite Water Resource Control Engineer ' Municipal Permits = The Phase I Municipal Separate Storm Water System (MS4) Permit covers medium sized Municipalities (serving between '100,000 and 250,000 people) and large sized municipalities (serving over 250,000 people). The Phase II MS4 provides coverage for small municipalities, including non-traditional Small MS4s, which include military bases, public campuses, prisons and hospitals.