Agenda - 08-23-1993 - C 1-4 - Laserfiche WebLink

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WATER SUPPLY WATERSHED PROTECTION RULES AS ADOPTED BY THE ENVIRGNMTAL MANAGEMENT COMMISSION (2/13/92) Allowable Density Required Land Use W/0 Stormwater, W/Stormvater, Control with Non-residen. Sludge Hazardous Sewer Agriculture Forestr; i Dischargers Description Low Den. Opt High Den. Opt High Den. Opt Development Appl. Landfills Materials Cluster Lines BMPs BMPs ----------- ----------- -------------- -------------- ------------- ----------- ------ --------- ------- ------- ----- ---------- --------- -abed None Undeveloped None None None None None None None None None 5 Required 6 Requin cal area General ldu/lac or 6-24% built Control the Allowed No new No new n Inventory, Allow Allow 5 Required 6 Requite Permits Predominantly 6% built upon upon area 1" storm sites landfills spill/failure undeveloped shed General ldu/lac or 12-30% built Control the Allowed, Allowed No new Inventory, Allow Allow 5 Not 6 Require Permits 12% built upon upon area 1" storm also 5%/70% discharging spill/failure Required provision landfills cal area General ldu/lac or 12-30% built Control the Allowed No new No new 4 Inventory, Allow Allow 5 Required 6 Require Permits Low to�mod. 12% built upon upon area V storm sites landfills cnill%failnre developed shed Domestic & ldu/,'ac or 24-50% built Control the Allowed, Allowed No new Inventory, Allow Allow 5 Not 6 Require non-process 24% built upon upon area 1" storm also 5%/70% discharging spill/failure Required industrial provision landfills :al area Domestic & 2 lduAac or 2 24-50% built Control the Allowed No new No new Inventory, Allan Allow 5 Required Requires i industrial Moderate to 24% built upon upon area 1" storm sites landfills spill/fallure highly devel. fled area Domestic & ''' ldu/Zac or 2'' 24-70% built Control the Allowed Allowed Allowed Inventory, Allow Allow 5 Not 6 Require, industrial 24% built upon upon area 1" storm spill/failure Required Segment Domestic & No Restrictions other than instream water duality standards applicable to all water supply waters industrial .tical area is z mile and draining to water supplies from the normal pool elevation of reservoirs, or '-z mile and draining ' 1/3 acre lot or 36% built-upon area is allowed for project a river intake. a curb and gutter street system. tested area is 5 miles and draining to water supplies from the normal pool elevation of reservoirs, or 10 miles upstream A Spill containment structures are required for new industrl and draining to a river intake. hazardous materials are either used, stored or manufacture dcipal with pretreatment program (2H .0904) is considered industrial discharge. 5 Agricultural activities are subject to provisions of the f charges qualifying for a General Permit pursuant to 2H .0127 will also be allowed in all areas of WS-III Act of 1985 and the Food, Agriculture, Conservation and Ti WS-IV watersheds along with the allowed discharges noted in the table. 1990. In WS-I watersheds and critical areas of WS--II, WS- fers will be maintained around all perennial waters with a minimum width of 30 feet for low density areas, agricultural activities must maintain a 10 foot ve5 elopmant and a minJim 100 foot buffer for high density development. or equivalent control, and animal operations >100 animal u undwater remediation discharges may be allowed when no other practicable alternative exists. BMiPs as determined by the Sail and Water Conservation Cams al governments will assume ultimate responsibility for operation and maintenance of stormwater controls. 6 Silviculture activities are subject to the provisions of t industrial process Wastewater discharges are allowed but will require additional treatment requiremoeats. Practices Guidelines Related to Water Quality (15A NCAC lI lies only o projects p pr 3 requiring a Sediment/Erasion Control Plan. The Department of Transportation must use BMSPs as describe document, "Water Supply Watershed Best Management Practice I