SubItems (ii) Critical Area Nonpoint (3)(b)(i)(A) and Source and Stormwater SubItem Pollution Control Criteria: (3)(b)(ii)(A) of this (A) Low Density Rule, otherwise a Option: new minimum 30 foot development shall vegetative buffer be limited to either for development no more than one activities shall be dwelling unit of required along all single family perennial waters detached residential indicated on the development per most recent two acres (or versions of 80,000 square foot U.S.G.S. 1:24,000 lot excluding (7.5 minute) scale roadway topographic maps or six percent or as determined by builtupon area for local government all other residential studies. Nothing in and nonresidential this Rule shall stand development; as a bar to artificial stormwater runoff streambank or from the shoreline development shall stabilization; be transported by (H) No new vegetated development shall conveyances to the be allowed in the maximum extent buffer; water practicable; dependent (B) High Density structures, or other Option: if new structures such as development flag poles, signs, density exceeds the and security lights, low density which result in only requirements de minimus specified in increases in SubItem impervious area (3)(b)(ii)(A) of this and public projects Rule, then such as road engineered crossings and stormwater controls greenways may be shall be used to allowed where no control runoff from practicable the first inch of alternative exists. rainfall; new These activities residential and shall minimize nonresidential builtupon surface development area and avoid density shall not channelizing exceed 24 percent stormwater; builtupon area; (I) No National (C) No new permitted Pollutant Discharge sites for land Elimination System application of (NPDES) permits residuals or shall be issued for petroleum landfills that contaminated soils discharge treated shall be allowed; leachate;
SubItems (3)(b)(i)(A) and SubItem (3)(b)(ii)(A) of this Rule, otherwise a minimum 30 foot vegetative buffer for development activities shall be required along all perennial waters indicated on the most recent versions of U.S.G.S. 1:24,000 (7.5 minute) scale topographic maps or as determined by local government studies. Nothing in this Rule shall stand as a bar to artificial streambank or shoreline stabilization; (H) No new development shall be allowed in the buffer; water dependent structures, or other structures such as flag poles, signs, and security lights, which result in only de minimus increases in impervious area and public projects such as road crossings and greenways may be allowed where no practicable alternative exists. These activities shall minimize builtupon surface area and avoid channelizing stormwater; (I) No National Pollutant Discharge Elimination System (NPDES) permits shall be issued for landfills that discharge treated leachate; (ii) Critical Area Nonpoint Source and Stormwater Pollution Control Criteria: (A) Low Density Option: new development shall be limited to either no more than one dwelling unit of single family detached residential development per two acres (or 80,000 square foot lot excluding roadway or six percent builtupon area for all other residential and nonresidential development; stormwater runoff from the development shall be transported by vegetated conveyances to the maximum extent practicable; (B) High Density Option: if new development density exceeds the low density requirements specified in SubItem (3)(b)(ii)(A) of this Rule, then engineered stormwater controls shall be used to control runoff from the first inch of rainfall; new residential and nonresidential development density shall not exceed 24 percent builtupon area; (C) No new permitted sites for land application of residuals or petroleum contaminated soils shall be allowed;
Volume%2029%20Issue%2015%20February%202,%202015.docx