Install a low-flow showerhead
If your showerhead was made before 1993, it’s possible that it sprays 5 gallons per minute (gpm) or more. Newer showerheads manufactured in the U.S. restrict flow to 2.5 gpm, but many are rated at 1.6 gpm or less.
How to: Replacing a showerhead is a simple task that doesn’t require a plumber, but may require a wrench to unscrew the old showerhead and tighten the new one.
Cost: $5 - $40 (depending on bells and )
Average resource savings: 43,000 gallons of water (73% of which is hot water) per year. 318 therms of natural gas from water heater per year
Average monetary savings: $87 in water costs per year; $383 in natural gas costs per year
Replace your sink faucet aerator
FYI: Your faucet aerator is the screw-on tip of the nozzle. This is what determines the maximum flow rate of water from your faucet. If your faucet aerator is engraved with a number higher than 1.0 gallons per minute, you can replace it and save water and money.
How to: Unscrew the old faucet aerator and tighten the new low-flow aerator in its place.
Cost: $1 or less.
Average resource savings: 9,000 gallons of water per year
Average monetary savings: $18 in water costs per year