5 Ways to Save Money on Your Water Bill

Water bills rarely top the list of household expenses, but they're one of the most controllable. Unlike your mortgage or insurance, how much water your household uses is largely a matter of habits and equipment — both of which can be changed. Here are five approaches that make a real difference for Tampa Bay homeowners.

1. Fix Leaks Promptly

This one isn't glamorous, but it consistently delivers the biggest return. A toilet that runs intermittently wastes an average of 200 gallons per day. A faucet that drips once per second wastes over 3,000 gallons per year. A slow drip at a hose bib that runs all summer adds up fast on a Tampa water bill.

The math is straightforward: a running toilet costs Tampa Bay homeowners roughly $70–$100 per month in wasted water at current rates. A $10 flapper kit from the hardware store fixes it in 15 minutes. No other water-saving measure delivers that kind of return on investment.

Walk through your home and check every toilet, faucet, and visible supply line. If you suspect a hidden leak — water bill went up unexpectedly, meter moves when everything is off — call a plumber for leak detection before the damage compounds.

2. Upgrade to WaterSense Fixtures

EPA WaterSense certified fixtures use at least 20% less water than standard models without sacrificing performance. For Tampa Bay homeowners, the most impactful upgrades are:

• Toilets: Pre-1994 toilets use 3.5 to 7 gallons per flush. A WaterSense toilet uses 1.28 gpf — a reduction of 60–80%. For a family of four, that's 15,000+ gallons of savings per year.
• Showerheads: Standard showerheads flow at 2.5 gallons per minute. WaterSense models deliver a satisfying shower at 2.0 gpm or less. A 10-minute shower saves 5 gallons. Multiply that across a household and it adds up quickly.
• Faucet aerators: Kitchen and bathroom faucet aerators are inexpensive ($5–$15) and reduce flow from 2.2 gpm to 1.0–1.5 gpm for tasks that don't require high flow. Most screw directly onto existing faucets in seconds.

3. Run Full Loads Only

Dishwashers and washing machines use roughly the same amount of water regardless of how full they are. A half-load uses almost as much water as a full load — which means running two half-loads doubles your water use for that task.

The habit change is simple: wait until the dishwasher is full before running it, and wait until you have a complete load of laundry. If your washing machine has load-size settings, use them. Modern Energy Star washing machines use as little as 14–25 gallons per load; older top-loaders can use 40+ gallons. If your washer is more than 10–12 years old, the water savings from upgrading to a front-load or high-efficiency model may justify the cost on their own.

4. Shorten Showers and Turn Off Running Taps

A standard showerhead running for 8 minutes uses 20 gallons of water. Cutting that to 5 minutes saves 7.5 gallons — per shower, per person, per day. For a family of four, that's 30 gallons daily, nearly 11,000 gallons annually.

Similarly, leaving the tap running while brushing teeth (2 gallons per minute), rinsing dishes before loading the dishwasher, or letting hot water run while waiting for it to reach temperature adds up meaningfully over a month. These aren't major lifestyle changes — they're small habit adjustments that, once ingrained, require no ongoing thought.

5. Optimize Your Irrigation System

In Tampa Bay, outdoor irrigation is frequently the largest single source of water use for a residential property — and often the most wasteful. Common issues include systems set to run on a fixed schedule regardless of recent rainfall, heads that spray pavement or structures rather than plants, and zones that run longer than the soil can absorb, leading to runoff.

Florida law requires rain shutoff sensors on all irrigation systems — if yours doesn't have one or it isn't functioning, that's the first fix. Beyond that, setting your controller to water in the early morning (before 10 AM) reduces evaporation, and watering deeply but less frequently encourages deeper root growth, which is both healthier for landscaping and more water-efficient.

At Believe Plumbing, we install and service WaterSense fixtures, fix leaks of every size, and handle irrigation system repairs throughout the Tampa Bay area. Contact us for a free estimate.