Environmental Engineering Reference
In-Depth Information
RADIAL
WELL
INJECTION/
“ASR” WELL
Ground
surface
Cover
Pump discharge to system
Recharge Supply Pipeline
Recharge supply pipeline
(
Treated drinking water
)
Injection supply line
Well casing (6˝-18˝ diameter)
Reinforced concrete
caisson (6'-12' diameter)
Vadose Zone
Grout Seal
Pump Column
Ground Water
Mounds
Water
table
Filter pack
Well screen
Filter pack
Injection pipe
Aquifer
Horizontal screen pipes
Pump
(Screen pipes arranged
in radial pattern)
Base of
Aquifer
Impermeable Bedrock
FIGURE 4.11
Direct injection radial unconined aquifer well concept. (Courtesy of Topper, R., P.E. Barkmann, D.A. Bird, and M.A. Sares. 2004.
Artiicial Recharge of
Groundwater in Colorado: A Statewide Assessment
. Colorado Geological Survey, Department of Natural Resources, Denver, CO.)
