Well 21 Pump and Motor Replacement and Rehabilitation - Completed

The pump has failed in West Sound Utility District's Well 21. The well is completed with a screen between 1,307 and 1,513 feet below ground (construction details attached). The original specific capacity of Well 21 in April 2001 was 12.3 gallons per minute per foot of drawdown (gpm/ft of dd) at a rate of 1,118 gpm. Currently, the specific capacity has decreased to about 8 gpd/ft of dd at a rate of about 530 gpm. The 16-inch well was drilled to a total depth of 1,540 feet. It is completed with a 10-in well screen assembly is packed with Colorado Silica Sand (CSS) 10-20 placed from 1,195 to 1,533 ft.