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Leak Detection

Understanding your continuous water use alerts

If you’ve received a notice about a possible leak, you might be wondering what it means and what you should do.

NBU sends you a text when your NBU water meter has detected continuous water use at the address provided in the text. This can happen for normal water use reasons – or it may be a sign of a leak. Either way, it’s worth checking and we’re here to help you save water, prevent damage and avoid higher bills.

Text Example:
“NBU water meter (XXXXXX) for 300 WATER AVE has reported continuous water usage of 0.2 gallons per hour since 10/29/2025. This may indicate a leak. Visit https://www.nbutexas.com/leak-detection/ to learn more.

Leak AmountsLikely Indication
2-5 gallons per hour leakedToilet flapper
8-30 gallons per hour leakedHose left running
20-100 gallons per hour leakedUnderground pipe leak
Common Water UseAmount Used
Filling a pool or hot tub8-30 gallons per hour (same as hose)
Running an Irrigation System1,500 gallons per zone, generally in the early morning or late evening
Water Softener Regeneration Cycle8-30 gallons per hour (same as hose, but only for 1-2 hours)

There are simple checks you can do

Click on the bubbles in the image below to view common leak locations.

If no leak is detected, you may need to contact a plumber or leak detection specialist.

NBU does not provide plumbing services or leak repairs. This checklist is for general information only. For diagnosis and repair, please contact a licensed plumber.

Leak Detection Checklist PDF
Resources