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Northeast UDF Program

Posted on: 8/2/2013

Hydrant Flush

UDF PROGRAM

 
As part of Seminole County’s water quality system maintenance, the County has hired a flushing team to develop a Unidirectional Flushing (UDF) Program. This program will encompass all areas of the County’s Northeast water distribution system. The flushing program will affect only those subdivisions and areas that are on Seminole County water. Private water systems and master-metered complexes will not be flushed as part of this program. The program is a regular maintenance activity to continue to provide you the highest water quality possible.



What is UDF & Why is it conducted?


Unidirectional Flushing is a best management practice to clean and maintain potable water distribution pipes. UDF involves using clean water to flush the system from the source outward by isolating portions of the distribution system to achieve water flow in one direction.  UDF sequences are designed to achieve high velocities in the target pipe(s) to properly scour deposits and debris from the water mains and remove them from the distribution system.  UDF uses hydraulic modeling to achieve the unidirectional flow patterns.


When will the Flushing be Performed?


There are two phases of the Unidirectional Flushing Program. The first phase is the valve inspection phase. This is scheduled to be performed  August 5, 2013 through September 20, 2013 between 7AM and 5PM.
After the valves in your area have been inspected, the hydrant flushing phase will take place. This phase is scheduled to be performed August 26, 2013 through November 29, 2013 between 8AM and 5PM.


How will I know when & if my area is being flushed?

  • Take a look at the schedule MAP .

  • Look for street signs... Hydrnt Flushing Sign...and flushing crews...WachsCrew 

  • Contact Seminole County Environmental Services at 407-665-2010 should you have any questions or concerns. 

What if my water is discolored?


During the UDF Program time periods, you may notice reduced water pressure and possibly discolored water. While the water will be safe, we recommend that you run your faucets for five to ten minutes in the event you notice discoloration of your water. This should result in the water running clear. Please check your water quality prior to running laundry. If the discolored water does not clear up after running your tap as instructed above, please call 407-665-2010.



After the hydrant flushing, this portion of the Water Quality System Maintenance Program will be complete.

We apologize for any inconvenience this may cause.

If you have any further concerns or questions, please contact
Seminole County Environmental Services at 407-665-2010.



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