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Seek a Leak
There are a series of self-check leak tests you can perform yourself in your home to see if there are any potential problems.

Check the Meter's Flow Indicator

Typically, the water meter is located in the front yard, near the street or sidewalk. Use a screwdriver, or similar device to assist with removal of the meter box lid. Also, have a pencil or pen and some paper handy.

Carefully remove the meter-box lid, and set it aside. Then flip the meter lens cap to expose the meter face. Dirt may need to be removed to expose the meter dial. The meter face will look similar to, or exactly like, the diagram.

Most meter faces have a flow indicator (small in size, red or black in color, triangular or snowflake in shape). If there is no water being used at the time of inspection, and the flow indicator is moving or spinning, continue directly to Step #4 below. (This is a good indication that there may be a leak somewhere in or around your dwelling.)
                                          Flow indicator

 Verify the Reading

Not all leaks are big and clearly noticeable. If the meter does not have a flow indicator -or- the flow indicator is not moving, continue
with these steps to further evaluate the situation:

1. Copy down the numbers (from left to right) on the meter’s gallons register.
[Note: There are several different residential meter styles currently in use throughout Pasco County. For residential meters with a needle and a "stationary zero", you must include the stationary zero in your reading. Otherwise, your reading will be too low by a factor of 10x. For newer residential meters without a needle, you will notice that there is no "stationary zero". If you include all numbers, left to right, your reading will include a decimal digit for tenths of a gallon. Be sure to pay close attention to the decimal place, otherwise your reading may be too high by a factor of 10x.]


2. Do not use any water for a period of two (2) hours (or overnight).

3. Take another reading from your meter’s gallons register after the two (2) hour testing period, and compare it to the first reading. If the reading is higher, there may* be a water leak. (*Important note: Some household systems such as water softeners and sprinklers can use large amounts of water automatically, as part of normal operation. Therefore, a higher reading does not always indicate a leak.)

4. To help pinpoint the usage source as inside or outside the dwelling, close the house valve (generally located on an outside wall where the waterline enters the dwelling, or near the water heater). If the meter continues to show usage after the house valve has been shut, the issue is likely outside the dwelling (in the service line that leads from the meter to the dwelling, or in any water-using device that may be hooked to the system outside the dwelling.)  If the meter does not move after closing the house valve, the issue may be inside the dwelling. Use a process of elimination to isolate the issue.


Toilet "Dye-Test"

Many toilet leaks are silent. This simple "dye-test" will help to reveal a hidden leak:

Put some food coloring in the tank of all toilets. Do not use them for twenty minutes. Check the toilet bowls after twenty minutes to see if any color has seeped into the bowl. If the water in the bowl has color in it, the toilet's flapper is leaking. For more information on
repairing toilet flappers, visit ToiletFlapper.org

Note: After the test is complete, be sure to flush any remaining dyed water to avoid toilet discoloration.
toilet dye test

Water Softener

Are you adding more salt than usual?  If yes, the water softener may be generating more often than it should. Check
the settings. 

Sprinkler System

Even when working properly, sprinklers can use more than 1,000 gallons per hour they run, and can account for more than half of the typical Floridian's water bill. Broken heads and pipe leaks can certainly cause that usage to increase. Be sure to test-run the system at least once per season to check for leaks and misdirected sprays. Very low pressure within a zone can sometimes be an indication of hidden or underground leaks.

leaking rotorspray leak

While not technically a leak, programming issues are frequently identified as the cause for unexpected high usage. For instance, accidentally programming multiple start-times can suddenly cause the sprinkler's usage to double, triple, or worse... Programming errors are often very easy to overlook, and as a result, they are actually surprisingly common. Because over-watering can encourage weeds, pests, and turf disease, this type of common mistake doesn't just waste water (and money); it can even harm the lawn you're trying to keep green. For more information, please visit the "Programming Problems" section of the Lawns and Irrigation page.



Sprinkler controller


Repairs

Have you repaired anything in the past three months? If “yes”, what was repaired and on what date? Compare the date of repair to the read-dates on your water bills. Because of the typical delay between water usage and receiving the bill, there can be a month or more from the period when a repair was made until the effect will be seen on the bill.

Identified and repaired a leak?
For Pasco County Utilities' customers, it pays to fix leaks.
See if you qualify for Pasco County Utilities’ leak adjustment program. Criteria and required forms can be found online under Documents and Forms.


Visitors

Have you had visitors or additional people in your property in the past three months?  You can expect your bill to increase
by approximately 108 gallons per day per person.



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