New Hampshire Code of Administrative Rules
We - Water Well Board
Chapter We 600 - STANDARDS FOR THE CONSTRUCTION, MAINTENANCE AND ABANDONMENT OF WELLS
Part We 602 - NEW WELL CONSTRUCTION
Section We 602.33 - Development of Well Yield, Generally
Current through Register No. 40, October 3, 2024
(a) Well yield shall be measured periodically during well construction when there is a readily observable change in yield.
(b) A well shall be flushed or surged to remove debris and by-products of the construction process.
(c) A well constructed in unconsolidated materials shall be surged or pumped to develop yield and remove fine soil particles.
(d) The final yield shall be measured for all new wells, after development, and indicated on the well completion report.
(e) For wells yielding more than 5 gallons per minute (GPM), yield measurement shall be for a minimum of 15 minutes.
(f) For wells yielding 5 gallons per minute or less, yield measurement shall be for a minimum of 30 minutes after dewatering the hole and until the flow has stabilized.