Section We 602.24 - Wells Constructed in Unconsolidated Materials: Casing Function and Materials(a) A well casing for a well constructed in unconsolidated materials shall be made of a material and weight appropriate to assure adequate performance of the functions for which casing is used.(b) A well casing for a well constructed in unconsolidated materials shall: (1) Provide access for withdrawal of ground water;(2) Provide a storage area for water prior to withdrawal;(3) Prevent intrusion of contaminants at or near the surface into the well;(4) Provide a reference for locating the well;(5) Not be made of or contain materials that are a source of pollution;(6) If made of steel, have a minimum wall thickness of 0.23 inches; and(7) If made of plastic, be Schedule 40 or better and National Sanitation Foundation approved, including but not limited to Polyvinyl chloride (PVC), Chlorinated polyvinyl chloride (CPVC), or Acrylonitrile butadiene styrene (ABS).N.H. Admin. Code § We 602.24
Derived From Volume XXXVII Number 2, Filed January 12, 2017, Proposed by #12083, Effective 3/1/2017, Expires 3/1/2027.