How do I test if my toilet is leaking?

You should identify toilet leaks as soon as possible to save water and money. If you suspect your toilet is leaking, follow these simple steps:

  1. Open the toilet tank.
  2. Drop a dye tablet, a few drops of food coloring, or black coffee in the tank and wait 15 to 20 minutes. 
  3. When you return, look in the toilet bowl. If you see colored water, then you have a leak.

Need more help? Search online for alternative toilet leak tests and plumbing solutions.

SD1 leak credit: You can apply for a leak credit if your wastewater bill indicates water usage that did not enter the sewer system and/or is not an accurate reflection of your typical winter usage factor (such as a toilet leak). Before you submit a Request for Final Determination form, be sure to have documentation of your toilet leak.

Show All Answers

1. What is sanitation or sanitary sewer service?
2. Does SD1 offer low-income assistance programs?
3. What is the difference between SD1 and the water district?
4. Why is my sanitation bill higher than my water bill?
5. How do I start or stop service?
6. What does a 5D wastewater rate mean?
7. How do I schedule a tour of a treatment plant?
8. What projects are going on in my area?
9. Does SD1 charge for filling a swimming pool?
10. When does SD1 measure water usage to determine the wastewater variable rate?
11. How do I test if my toilet is leaking?
12. Why do some Florence residents pay Florence Water for sanitation services as well as SD1?