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2.5. Prior to initiating work the approved permit shall be availaY nsite until final inspection. <br /> 4W <br /> 2.5. Special Water Well Permits may be issued for wells that do not meet these Standards. <br /> 2.6.1. Request for Special Water Well Permit shall state the conditions for the request. <br /> 2.6.2. Each Special Water Well Permit shall be'reviewed on an individual basis. <br /> 3. LOCATIONS <br /> 3.1. All water wells (excluding monitoring wells) shall be located at an adequate horizontal distance <br /> from potential sources of contamination and pollution. <br /> THE FOLLOWING MINIMUM DISTANCES SHALL BE 1AAINTA1NED: <br /> Lots Recorded Lots Recorded <br /> Public Watsr Systems Wells After 1972• Before 1972• <br /> Property Line 25 fL 10 ft. 10 ft. <br /> Septic Tam 100 ft. 50 R 50 R <br /> Sewer Line-Cast Iran 50 R 50 R 50 R <br /> Sura n, Creek, River, Casal 50 R 50 ft. 50 ft. <br /> Disposal Field 100 ft. 140 R 50 R <br /> Seepage Pit, SunVs >8' Depth 150 ft. 150 ft. 100 ft. <br /> Leaching Sump C 8' depth 100 ft. 100 ft. 50 R <br /> Livestock Corrals or Fowl Enclesurea 100 R 100 ft. 50 ft. . <br /> Underground Hazardous Materials Storage Tanks I50 ft. 100 ft. <br /> (Excluding natural gas and propane) <br /> Abovegouad Hazardous Materials Storage Containers 100 ft. 50 fL. <br /> *Lots recorded prior to December 15, 1972. <br /> 3.2. Surface drainage shall slope away from the well site. <br /> 3.3. The well shall be so located as to be easily accessible with adequate clearances provided for the <br /> proper equipment for cleaning, treatment, repair, testing and other maintenance, but not Iess than <br /> five (5) feet from any permanent structural foundation or overhang. <br /> 4. CONSTRUCTION OR REPAIR (WELLS OTHER THAN MONITORING WELLS) <br /> 4.1. DRIL..LING FLUID,. FOAM AND 'MATER <br /> 4.1.1. Drilling fluid/foam used shall be free from contamination and organic matter and the <br /> water shall be from a potable source. <br /> 4.2. SEALING OFF STRATA <br /> 4.2.1. Aquifers penetrated that contahi poor quality water shall be sealed to prevent <br /> contamination. Methods shall be reviewed and approved by the Director. <br /> 4.3. CASING <br /> 4.3.1. The casing shall be of sufficient strength to withstand forces.and stresses imposed . <br /> during installation. Steel casing equal to, or exceeding the thickness given in Section <br /> 4.3.11, shall be used for permanent installations. Casing shall be manufactured in <br /> accordance with the American Society for Testing and Materials (ASTl1), the <br /> American Petroleum Institute(API) or American Water Works Association (AWWA) <br /> 7 <br />