Auxiliary equipment
Auxiliary spillway
AVADS
Available capacity
Average
Average annual runoff
Average degree of consolidation
Average energy
Average year supply
Average year water demand
Avian
Avoirdupois weight
AWARDS
AWOL
AWTR
| AWWA
Axis
Axis of dam
Axis of dam (concrete)
BA
back pressure
Backfill
Backfill concrete
Backflow
Backfurrow
Backsiphonage
backwater
BACT
BADA
Baffle
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