ROXBURY ZONING ARTICLE IIIA STEEP SLOPES General Provisions Applicable To All Districts Steep Slopes A. The purpose of the Steep Slopes article is to reduce damage to streams and lakes from erosion, run-off of storm water caused by improper or excessive construction, effluent from improperly sited sewage disposal systems; to preserve vegetative cover and wildlife habitat; to preserve scenic views and to protect unique and unusual natural areas. 1. Special Provisions a. Development will not be allowed on slopes exceeding 25%. b. Lots with a 15-25% slope shall in addition to meeting all requirements of this ordinance and where land development is intended, shall be presented to the Roxbury Planning Board and approved before issuance of a building permit is considered by the Selectmen.