Water and Wastewater Terms Beginning R
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
rabbling
rack
radial to impeller
radical
rain
range
Ranney collector
RAS
rate of return
raw wastewater
raw water
reactive maintenance
readout
reaeration
reagent
recalcination
recarbonation
receiver
receiving water
recharge rate
recirculation
reclaimed water
reclamation
recorder
recordings, flow
recordings, photographic
recordings, video
recordings, written
recycle
recycled water
redox reaction
reducing agent
reductant
reduction
redundancy
reference
reflux
refractory materials
regulator
regulatory negotiation
reject
relief bypass
relief line
reliquefaction
remote terminal unit (RTU)
representative sample
residual analyzer, chlorine
residual chlorine
residue
resilience
resins
resistance
respiration
responsibility
retentate
retention
retention time
return activated sludge (RAS)
return sludge
reuse
reverse osmosis (RO)
right-to-know laws
riparian rights
riprap
rising sludge
RNA
RO
rod guide
rod, sewer
rodding
rodding machine
rodding tools
rodenticide
roof leader
root mop
root saw
rotameter
rotary pump
rotating biological contactor (RBC)
rotifers
rotor
roughness coefficient
roughness factor
routine sampling
runoff
R-zoned