R309-545-8. Tank Elevation and Burial

Latest version.

  (1) Flood Elevation.

  The bottom of a ground-level or buried drinking water storage tank shall be located at least 3 feet above the 100-year flood level or the highest known maximum flood elevation, whichever is higher.

  (2) Ground Water.

  When the bottom of a drinking water storage tank will be placed below the normal ground surface, it shall be placed above the local ground water table.

  (3) Covered Roof.

  When the roof of a drinking water storage tank will be covered by earth, the roof shall be sloped to drain toward the outside edge of the tank.

                    
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