Orange County NC Website
2 <br />The blocked areas on the accompanying plat are the liYnits of the provisionally suitable soils as evaluated by the Orange County He; <br />Department <br />It should be noted that all lots leaving a conventional drain field with pump are reviewed at a minimum of every five years by the he <br />department as required by 15A NCAC 18A .1961 (Maintenance of Sewage Systems). <br />Conventional Systems are placed in areas with 36 inches or more o£provisionally suitable characteristics. <br />Shallow Trench Conventional Systems are placed in areas with 30 inches or more of provisionally suitable characteristics. <br />Ultra Shallow Trench Conventional Systems are placed in areas with 24 inclies~ or more of provisionally suitable characteristics and <br />inch soil cap is placed over the trenches. , <br />