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1. Why does the water system need to be routinely flushed?

The Township’s water distribution system is a complex network of pipes and storage tanks where sediment or deposits may naturally accumulate over time. If not removed, these materials may cause water quality deterioration, taste and odor problems, or discoloration of the water. Water may also stagnate in lesser used parts of the distribution system, resulting in degraded water quality.

2. When does flushing normally occur?

In Spring 2018, Water Division employees will perform the hydrant flushing between 7:30 a.m. and 4 p.m., and in some cases between 10 p.m. and 6 a.m.

Residents are reminded to refrain from doing laundry and using hot water during the hydrant flushing hours.

3. What should I do after a nearby hydrant is flushed?

If the tap water is used during flushing, it could come out full of sediment and discoloration. If you encounter discolored water, shut the water off and wait several minutes. After waiting, check the clarity by running cold water for a few minutes to allow fresh water to work its way into your pipes. 

If the water doesn’t clear after a few minutes, turn it off, wait a few more minutes and try running the cold water again. Although unlikely, there may be cases in which you may experience slight discoloration for a few hours. This discoloration only affects the appearance of the water; it does not affect the taste or water quality.

4. What should I do if my water pressure or volume seems low after the hydrant flushing?

Check your faucet and washer screens for trapped debris.

5. Why does the water look discolored after hydrant flushing?

When a hydrant is opened, there will always be temporary incidences of discolored water containing fine sediment particles. There is no health hazard associated with discolored water. Allow a few hours for discoloration to dissipate. To verify the water has settled, allow your cold water tap to run a few minutes. If the discoloration persists for more than 24 hours, please contact our Water Division at 973-535-7951.  

6. Is it OK to drink sediment-laden or discolored water during temporary disturbance events such as hydrant flushing?

It is recommended that customers wait until the water has cleared before using it for drinking or other purposes.

7. What is the silt in the water system after flushing?

Water naturally contains minerals. These minerals normally and naturally react with the inside of the pipe to produce the silt by-product. The process can occur on the inside of the pipe and eventually cause the water quality to deteriorate, or cause taste or odor problems. Hydrant flushing removes much of this by-product. However, not all of it can always be flushed out. Some may still remain in the water, causing some discoloration until it again settles.