Pumps for 2-Inch Monitoring Wells: Sampling vs. Well Development

January 20, 2026

For low-flow sampling in a 2-inch monitoring well, the Royal Eijkelkamp MP 1/Redi-Flo2 is the standard for deep wells (up to 275 ft total dynamic head), 12V Proactive pumps suit shallow wells (about 200 ft or less), and bladder or double-valve pumps are the pick when VOC retention matters. Sampling pumps are not well development…

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