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` DISTRICT IMPERVIOUS SURFACE/DETENTION POND <br />REQUIREMENTS <br />(NON-RESIDENTIAL) <br />L-ENO-PW 70% impervious surface, with structural BMPs required when <br /> impervious surface exceeds: <br /> 24% (w/ curb and gutter); or <br /> 36% (w/o curb and gutter). <br />HAW-PW 24% impervious surface limit. <br />JORDAN-PW <br /> BMPs cannot be used to satisfy watershed requirements. <br />6.23.4 OPERATION AND MAINTENANCE OF STRUCTURAL BMPs (DETENTION PONDS) <br />6.23.5 PLACEMENT OF STREETS, DRIVEWAYS AND BUILDINGS <br />6.23.6 UNDISTURBED AREA <br />6.23.7 STREAM BUFFERS <br />6.23.8 WATER SUPPLY/SEWAGE DISPOSAL FACILITIES <br />*Amended <br />1-17-95 <br />7-1-96 <br />DISTRICT WATER SUPPLY/SEWAGE DISPOSAL <br />UNIV-CA Water supply and sewage treatment systems shall be limited to <br />UNIV-PW individual wells and on-site septic tanks systems or individual <br />C' A ATl; DII7 <br />~T <br />rAi.rt; nA <br />~raTa-~rz <br />T TT T L'A~~ <br />on-site alternative disposal system , , <br /> <br /> <br />j~Tnt «..1.e.7 /!'' A ATZ: DII11 .,«,i !`«:+:....1 A ..~.. /!` A ATL' !"' A \ ,a ~l. <br /> \ 7 ° par ~ <br /> <br /> <br />All Watershed Overlay <br />Districts No new treatment system will be permitted where effluent <br />disposal occurs on a sepazate lot from the source of wastewater <br />generation; provided, however, off-site systems shall be <br /> permitted in all Watershed Overlay Districts except the <br /> University Lake Protected Watershed (UNIV-PW) and Critical <br /> Area (iJNIV-CA) when located in a Flexible Development <br /> subdivision approved in accordance with Section IV-10-B of the <br /> Orange County Subdivision Regulations. <br />UNIV-CA New septic tanks and their nitrification fields shall be located <br /> outside of any stream buffers, or 300 feet from a reservoir or <br /> perennial or intermittent stream as shown on the USGS <br /> Quadrangle maps, whichever is further. <br />1 cj ~ <br />