How to Lower Your Water Bill: 15 Proven Ways

The fastest way to lower your water bill is to stop paying for water you never use. Start by finding and fixing leaks, then trim the biggest indoor uses (toilets, showers and laundry) and the biggest outdoor one (irrigation), and finally make sure you understand how your utility actually charges you. The EPA reports that fixing easily corrected household leaks alone can save about 10 percent on a water bill, and the other 14 ways stack on top of that. This guide runs from the quickest, cheapest wins to the bigger upgrades, and shows how to put a dollar figure on each one.

Skip the math Water Conservation Savings Calculator Open →

The 15 ways at a glance

Every method in one place, grouped by where the savings come from. “Effort” is how much of your time it takes; “upfront cost” is what you spend before you save anything.

How your water bill is built

Before you cut anything, know what you are cutting. Most residential bills have up to three parts: a fixed service charge you pay regardless of use, a volume charge based on the gallons that pass through your meter, and in many places a sewer or wastewater charge tied to that same volume. Only the volume-driven parts respond to conservation, so your savings are always a share of the variable portion, not the whole bill.

Many utilities also use tiered rates, where each successive block of water costs more per unit. That makes your highest-use months, usually summer irrigation, the most expensive gallons you buy and the most valuable ones to cut.

Ways 1–3: find and fix leaks first

A leak is the one kind of water use that gives you nothing back, so it comes first. The EPA puts the average household’s leak losses at more than 9,300 gallons a year, and reports that about 9 percent of homes leak 50 gallons or more every day.

1. Read your meter for hidden leaks

Turn off every tap and appliance, note the meter reading, wait two hours without using any water, then read it again. If the meter moved at all, water is escaping somewhere. A second check uses your bill: the EPA flags winter use above 12,000 gallons a month for a family of four as a sign of serious leaks. By simple arithmetic that is roughly 100 gallons per person per day.

2. Dye-test every toilet

Add a few drops of food coloring to the tank and wait 10 minutes without flushing. Color in the bowl means the flapper is leaking; flush right afterward to avoid staining. A worn flapper is a cheap part, and the EPA suggests replacing it at least every five years. Toilets are often the culprit behind a silent leak, which is why this test earns its own step.

3. Fix drips, showerheads and hose connections

A faucet that drips once a second wastes more than 3,000 gallons a year, and a showerhead leaking 10 drips a minute wastes more than 500. Usual causes are a worn washer or gasket, a loose showerhead connection (often cured with pipe tape) and a bad hose washer at the spigot. To price what a leak is costing you, try the dripping faucet cost calculator, the running toilet cost calculator or the water leak cost calculator.

Ways 4–9: cut indoor use

Toilets, showers, faucets and laundry make up most of what you use inside. Upgrade the biggest first, and treat the free habit changes as a bonus.

4. Fit a WaterSense showerhead

Showering accounts for nearly 17 percent of indoor residential water use. A standard showerhead runs at 2.5 gallons per minute, while a WaterSense labeled one is certified at 2.0 or less. The EPA estimates the average family could save 2,700 gallons a year, plus more than 330 kilowatt-hours of electricity, because there is less water to heat. That means a lower energy bill as well as a lower water bill. Measure your current flow with the shower flow rate calculator.

5. Replace old, inefficient toilets

Toilets are the largest single indoor use, close to 30 percent of an average home’s indoor consumption. Older models can use as much as 6 gallons per flush, while WaterSense labeled toilets use 1.28 or less, which is 20 percent below the current 1.6-gallon federal standard. The EPA says the average family can cut toilet water by 20 to 60 percent, saving nearly 13,000 gallons and more than $170 a year. It carries the highest upfront cost on the list, so check for utility rebates before you buy.

6. Add faucet aerators

An aerator is the small screw-on screen at the end of a faucet. It mixes air into the stream so the faucet feels strong while it passes less water. It costs a few dollars and takes a minute to install. Not sure what your faucets deliver? The faucet flow rate calculator turns a simple bucket test into a gallons-per-minute figure.

7. Turn the tap off between tasks

Water running while you brush your teeth, shave or scrub dishes goes straight down the drain at full flow. Fill a basin for rinsing, and thaw food in the fridge instead of under a running tap. The savings are small per use but they repeat every day.

8. Run full laundry and dishwasher loads

Many washers and dishwashers use a similar amount of water whether they are full or half empty, so a full load lowers the water cost per item cleaned. Scrape plates rather than pre-rinsing them. Compare your habits with the dishwasher vs handwashing calculator.

9. Choose efficient appliances when you replace

Don’t replace a working washer or dishwasher just to save water, because the payback is slow. When one fails, look for ENERGY STAR on appliances and the WaterSense label on fixtures. The low-flow fixture savings calculator helps you compare options before you spend.

Ways 10–13: water the yard smarter

Nationally, outdoor use makes up about 30 percent of household water use, and it runs much higher in drier regions and water-hungry landscapes. On tiered rates, this is where your most expensive gallons go.

10. Water deeper, less often, at cooler hours

Early morning watering loses less to evaporation and wind drift than midday watering. Soaking the soil deeply and less often also encourages deeper roots, so plants tolerate dry spells better. Skip a cycle after rain; a sprinkler running on a wet lawn is pure waste.

11. Inspect your irrigation system

The EPA notes that a leak just 1/32 of an inch across, about the thickness of a dime, can waste around 6,300 gallons a month. Run each zone every spring and look for geysers, soggy patches, broken heads and heads spraying pavement. Estimate your system’s cost with the sprinkler water cost calculator.

12. Use a smarter controller and adjust by season

A basic clock-based controller waters on schedule whether it rained yesterday or not. Reset the schedule as the seasons change, or consider a WaterSense labeled irrigation controller that adjusts to conditions. Even a manual monthly adjustment beats a set-and-forget schedule.

13. Landscape for less water

Mulch around plants to slow evaporation, choose plants suited to your climate, group plants by how much water they need, and shrink lawn where nobody uses it. Use a shutoff nozzle on the hose and sweep instead of hosing down paving. The garden hose water usage calculator shows what a hose really draws.

Ways 14–15: work the billing side

14. Learn your rate structure and manage your tiers

Find your tier thresholds and see which one your summer months land in. If a small cut keeps you in a cheaper tier, it is worth more than the same cut elsewhere. Also check how sewer is charged: some utilities set it from cold-month use, so summer watering doesn’t raise it, while others charge sewer on every gallon. Estimate that line with the sewer bill calculator, and compare month to month so an estimated read or a misread meter stands out.

15. Use rebates, leak alerts and adjustments

Many utilities offer rebates or vouchers on WaterSense labeled toilets and showerheads. The EPA also publishes a guide to leak detection and flow-monitoring devices, which alert you to unusual use before a bill arrives. And after you repair a major leak, ask your utility whether it offers a bill adjustment; some do.

What a few common problems waste

These are EPA figures, so you can sanity-check your own usage:

To turn gallons into dollars, divide by 1,000 and multiply by your combined water and sewer rate. At an illustrative $10 per 1,000 gallons, the EPA’s 9,300-gallon average leak loss comes to roughly $93 a year. Your rate may be higher or lower.

Mistakes that quietly raise your bill

• Fixing visible drips and missing silent leaks. Toilets and irrigation hide the big losses.
• Judging savings against the whole bill. Fixed charges don’t shrink, so measure against the volume portion.
• Replacing a toilet before testing it. A leaky flapper costs a few dollars to fix, so rule it out first.
• Letting sprinklers run on a fixed timer through rainy weeks and cool months.
• Reading the bill once a year. Comparing months is how you spot a leak early.

The bottom line

Start with the free steps: the two-hour meter test, the toilet dye test and a walk around the yard with the sprinklers on. Fix what leaks, then work down the list in order of payoff: showerheads and toilets indoors, scheduling and system checks outdoors. Finally, learn your tiers and ask about rebates, because the same gallon can cost very different amounts depending on when you use it. Put your own rates into the calculator below to see which changes are worth your time.