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////1/2, <br /> DISTRICT IMPERVIOUS SURFACE/DETENTION POND <br /> REQUIREMENTS <br /> (NON-RESIDENTIAL) <br /> UNIV-CA Same as Residential (See previous Table) <br /> UN1V-Pw <br /> CANE-CA Up to 6% impervious surface without BMPs, <br /> U-ENO-CA 6% 24% with BMPs. <br /> CANE-PW Up to 70% impervious surface without BMPs 1. <br /> LITTLE-PW <br /> HYCO-Pw <br /> BACK-PW <br /> FLAT-Pw <br /> U-ENO-PW Up to 70% impervious surface, with BMPs <br /> required when impervious surface exceeds 12%. 1 _. <br /> L-ENO-PW Up to 6047e- 70% impervious surface, with BMPs <br /> HAW-PW required when impervious surface exceeds 24% (if <br /> JORDAN-PW curb and gutter is used) or 36% (no curb and <br /> gutter). <br /> 1 After new non-residential development with impervious surface greater than 12% occurs <br /> on 5% of the watershed, impervious surface for subsequent development may not exceed <br /> 30%, and BMPs will .be required when impervious surface exceeds 12%. - <br />