Agenda - 06-01-2010 - 6a - Laserfiche WebLink

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Proposed Amendments to Section 4.2.27 of the Zoning Ordinance Attachment'1 (additions are underlined, deletions are in strike-through text) j *4.2.27 WATERSHED PROTECTION OVERLAY DISTRICTS *Amended 1/1/94 a) Intent The purpose of the °vn+�ted-Watershed Protection Overlay Districts is to prevent significant future water quality deterioration in existing or potential future drinking water reservoirs which receive stormwater runoff from land within Orange County. Protection of all water supplies within the State in accordance with minimum standards was mandated by the Watersupply Watershed Protection Act passed by the General Assembly in 1989. The quality of water in drinking water reservoirs can be affected by human activities including farming, o" +G+�construction of highways and roads, subdivision development, industrial development, and other land-disturbing activities. Types of water pollutants resulting from these activities include sediment, bacterial contamination, heavy metals, synthetic organic compounds and low-level radioactivity. The intent of the PreteGtteed-Watershed Protection Overlay Districts is to apply a set of regulations involving land use and in some cases, structural best management practices which protect the watersheds by reducing the pollution from future development which enters drinking water supplies. Land use management practices involve minimum lot size and impervious surface restrictions, since impervious surfaces such as roads, roof tops and driveways are a major source of pollution. Structural best management practices allow for more intensive land use by providing for temporary detention of stormwater runoff so that pollutants may settle. b) Application Criteria The PreteGted-Watershed Protection Overlay Districts as established in Article 4.-27..4.2.27 overlay other zoning districts established in this Ordinance. The new use of any land or new structure within any pFeteGted- Watershed Protection Overlay District shall comply with the use regulations applicable to the underlying zoning district as well as the requirements of the applicable Watershed Protection Overlay District. A Watershed Protection Overlay District will be applied to the Orange County portion of watershed which have been classified as WS-II, WS-III or WS-IV watersheds by the North Carolina Environmental Management Commission in its implementation of the Watersupply Watershed Protection Act of 1989. In accordance with the State Mandate, thirteen (13) Watershed Protection District Overlays, as listed in the following table, are hereby established. Areas designated as "Critical Area" under the Orange County designation are hereby established using the following criteria: 1