ban

bother

chrome

clean

clear

cold

conserve

cool

dribble

drink

drinkable

drip

dripping

drop

drought

ecology

environment

faucet

fix

fresh

healthy

leak

leaking

leaky

off

on

outside

pipe

plumber

potable

preserve

pressure

pure

purify

quench

refreshing

repairing

replace

running

shutoff

spout

tap

thirst

valve

wash

washer

waste

wasting

water

wet