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NGWA develops industry best suggested practice for water well system professionals
The National Ground Water Assn. (NGWA) has developed an industry best suggested practice (BSP) for water well system professionals to use regarding the emergency disinfection of flooded residential water wells.
The BSP, "Residential Water Well Disinfection Following a Flood":
Variables noted in the BSP that can influence proper well disinfection procedures include, but are not limited to, local geologic conditions and a well’s design, dimensions and condition.
NGWA’s recommendations address two classifications of private water wells: wells that are not generally at risk based on their construction and maintenance, and wells that are at risk due to construction deficiencies and/or lack of maintenance that compromise the integrity of the well.
Steps involved in emergency well disinfection, as outlined in the BSP, include:
Residential Water Well Disinfection Following a Flood was developed by a work group of NGWA member professionals drawing from extensive experience and referenced research. Available as a PDF, it can be downloaded. While free to NGWA members, there is a nominal charge to nonmembers.