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How Long Should I Run the Water After a Well Pump is Replaced?

After repairing or replacing a well pump, as advised by the New Jersey Department of Health, the well water supply should be sanitized using a strong chlorine solution for a minimum of 6 hours. Once the water supply is sanitized, the chlorinated water should be allowed to soak in the home piping system for an hour.


The Water Should Be Run Until Clean Smelling

After repairing or replacing a well pump, as advised by the New Jersey Department of Health, the well water supply should be sanitized using a strong chlorine solution for a minimum of 6 hours.  Once the water supply is sanitized, the chlorinated water should be allowed to soak in the home piping system for an hour.

Then the water should be run until all traces of chlorine are gone. 


Running the Water Is Not Required

Well water is not contaminated nor otherwise affected simply by the replacement of an external well water pump.  Provided the well pump itself is not submerged within the well, and the well wall structure has not been disturbed, extended running of the water serves no purpose.


Bottom Line

It is almost impossible to determine exactly what will and what will not affect a well water supply located deep within the ground.  Prudence dictates that any time well maintenance or repair is performed, the water should be thoroughly sanitized and then run until it is clean again.

The cost of sanitizing a well versus the risk of not sanitizing a contaminated well clearly promotes the frequent sanitization and running of well water. 

About the Author

Residing near the Central Florida beaches, Steven Douglas has written extensively on resolving small-business issues since 1990 in publications such as ForexFactory, Forex-Tsd, FxStreet and FxFisherman. After earning a master's degree in administration from the University of Maryland, his primary focus has been on international currency trade and how it can be effectively utilized by small businesses across the United States.