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High Water Bills

The Miami-Dade Water and Sewer Department understands your concerns and would like to help you determine the reasons why your bill is higher than usual. Answering “yes” to any of the questions below could be the reason your bill is higher than expected.

  • Did the number of people living on your property increase?
  • Any extra house guests during the billing cycle?
  • Filled a pool, or used a pressure cleaner during the billing cycle?
  • Left the hose on or washed cars during the billing cycle?
  • Yard work done recently/planted new sod/trees/plants?
  • Any unusual moisture noticed in home or on lawn?
  • Any repairs made on property or to toilet/fixtures during billing cycle?
  • On vacation or home left vacant?
  • Been victim to an act of vandalism (report it to police)?
  • Have a leak that was concealed or underground?

Did your water usage increase?

  • Did you recently add or fill a swimming pool? If so, you may qualify to receive a partial credit on the sewer portion of your bill.
  • Did you recently repair a leak that was concealed or underground? If so, you may qualify to receive a partial credit on your water and sewer bill.
  • Did you add or increase your landscape watering requirements. You can lower your bill with a submeter.
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Did you receive more than one bill?

It may be possible that you received more than one bill for the same account. This may be due to an error, correction or adjustment identified by our Customer Care Team. If you receive more than one bill please look to ensure that the account information is the same and then use the bill with the most recent date.

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Might you have a water leak?

According to the U.S. Environmental Protection Agency, the amount of water leaked from homes could exceed one trillion gallons per year.

Most leaks are due to worn out gaskets or faulty tank values (flappers) in your toilets. At the same time, not all leaks are visible. They may be underground or concealed. Left unattended, a small leak could quickly escalate into a serious problem.

Water Leakage Potential

Diameter of stream
Potential water wasted every
3 months if water pressure is at 60 psi
(pounds per square inch)
Size of leak



Daily Average in Gallons
Gallons reflected on bill (CCF*)
Potential cost**

* Note: 1 CCF (100 cubic feet) = 748 gallons. WASD uses CCF to determine bill amount
** Note: Dollar calculations based upon published rates and fees for combined water & sewer for 5/8" meter, effective Oct. 1, 2010

What does this mean?

A leak the size of a standard pencil eraser can mean the loss of 1,181,500 gallons in just three months -- or enough to fill an average-sized swimming pool 78.7 times. This can quickly translate into a high bill.
(Assumption: average swimming pool holds 15,000 gallons)

What should you do?

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High bill investigation

The Department routinely investigates the occurrence of a high water bill. The investigation consists of an examination of the water meter, meter box to ensure that there are no leaks and a visual inspection of the exterior of your property to determine the possible causes of the higher consumption. 

This investigation will be completed at no cost if you have an unusually high bill or your water consumption has increased fifty percent or greater than your average quarterly water consumption.

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Page Last Edited: Thu Oct 18, 2018 4:02:55 PM

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