abwasserbeseitigunspflicht
access
bad
bay
cast
channel
charges
close
collection
consumption
cost
cover
derivation
drainage
effluent
entry
fee
gully
iron
line
maintenance
management
manhole
manlid
municipal
network
pipe
plant
rainwater
rope
sewage
sewer
sewerage
shaft
slop
supply
system
team
toll
underground
up
utilities
wastewater
water
writing