Water and Wastewater Terms Beginning A

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

abandoned
abatement
ABS
absorption
absorption capacity
absorption rate
accountability
accuracy
acid
acid rain
acid regression stage
acidic
acidification
acidity
acre-foot
acrylonitrile-butadiene-styrene (ABS)
activated alumina
activated carbon
activated sludge
activated sludge process
acute health effect
adsorbate
adsorbent
adsorption
advanced metering infrastructure (AMI)
advanced waste treatment
aeration
aeration liquor
aeration tank
aerobes
aerobic
aerobic bacteria
aerobic decomposition
aerobic digestion
aerobic process
aesthetic
age tank
agglomeration
agronomic rates
air binding
air blower
air gap
air lift pump
air padding
air release
air stripping
air test
alarm contact
algae
algal bloom
algicide
alignment
aliphatic hydroxy acids
aliquot
alkali
alkaline
alkalinity
alluvial
alluvial deposit
alternating current (AC)
altitude valve
ambient
ambient temperature
amperage
ampere
amperometric
amperometric titration
amphoteric
amplitude
anaerobes
anaerobic
anaerobic bacteria
anaerobic decomposition
anaerobic digester
anaerobic digestion
anaerobic selector
analog
analog readout
analyzer
angle of repose
Angstrom
anhydrous
animal wastes
anion
anionic polymer
annular space
anode
anodizing
anoxic
anoxic denitrification
antagonistic reaction
apartment complex
apparent color
appropriative rights
appurtenance
apron
aqueous
aquifer
arch
artesian
artificial groundwater table
as-builts
aseptic
ashing
asphyxiation
aspirate
asset management
asymmetric
atm
atom
attached growth processes
audit, water
auger
authority
autoignition temperature
automatic meter reading (AMR)
autotrophs
available chlorine
available expansion
available moisture content
average
average demand
axial to impeller
axis of impeller