
With droughts hitting many parts of the US, using water-saving techniques can save you money. But if you’re sharing a water meter in an apartment building, it’s tough to know how much you’re actually using. A water sub-meter changes that. It’s like a fitness tracker for your water usage, giving you the data you need to cut back, save money, and do your part for the environment. We’ll show you how.
What’s a Water Sub-Meter, Anyway?

A sub-meter is a separate water meter that measures the water flowing into just your unit – whether it’s an apartment, a condo, a business space, or a guest house. Unlike the main meter for the entire building, a sub-meter gives you the precise data on your consumption. This is especially important in apartment buildings, condos, and other multi-unit properties.
Why You Will Love Sub-Meters

- Take Control of Your Water Bill: No more guessing games! You’ll see exactly how much water you’re using each month. Shower longer than your neighbor? You’ll pay for it. But if you’re a water-saving ninja, you’ll see the rewards on your bill.
- Fairness for Everyone: Forget splitting the water bill evenly, even if your neighbor runs their sprinklers 24/7. With sub-meters, you pay for what you use, period. No more arguments about who owes what.
- Become a Water-Saving Superhero: A water sub meter provides tenants and property owners with a clear view of their water consumption, helping them identify waste patterns and take steps to reduce unnecessary usage. You’ll be way more likely to finally fix that leaky faucet, take shorter showers, and maybe even think about getting a low-flow toilet or a water-efficient washing machine. Did you know that studies show people can cut their water use by up to 30% when they’re directly responsible for the bill?
- Catch Leaks Fast: A sudden spike in your sub-meter reading? That’s a red flag for a leak! Catching leaks early saves water, prevents nasty water damage, and keeps your bill from going through the roof. For property managers, this is huge – you can pinpoint the problem fast and avoid a major headache.
- Supports Sustainability: We all know saving water is the right thing to do. Sub-metering is a win-win. It is not just good for the bottom line, but it’s also crucial in places like California and other drought-prone areas. Every. Drop. Counts.
How Sub-Meters Benefit Multi-Unit Properties

Sub-meters are a practical solution! They make billing easier – no more complex calculations or confusion over splitting usage. And forget those awkward conversations about water bills; sub-meters eliminate the guesswork.
Because each unit pays for exactly what they use, tenants are naturally more mindful of their water consumption. This means lower overall water costs for the building, happier tenants, and a more sustainable property. It’s a simple upgrade that can make a huge difference.
When Is a Water Sub-Meter a Good Investment?
Installing a water sub-meter is particularly beneficial if you:
- Manage multi-unit properties like apartments, condos, or commercial buildings.
- Own a large home or property with multiple sections or guest houses.
- Have goals to reduce water consumption and promote sustainability.
- Live in areas with water restrictions due to drought or limited supply.
Choosing the Right Water Sub-Meter

There are two types: mechanical and electronic. Mechanical ones are fine but have to be read physically. Electronic ones give you remote access and real-time information. Best way to make a decision? Talk to a professional plumber. They will guide you in making a decision and installing it correctly, according to all regulations in your locality.
The Bottom Line
Installing a water sub-meter is a smart move for anyone who desires to conserve water usage, save on water costs, and add more environmentally friendly measures. By providing accurate information, encouraging conservation, and helping to detect leaks beforehand, sub-meters have a big plus for managers, owners, and tenants. With sustainability being a priority in today’s times, a water sub-meter is a smart and eco-friendly investment.