ELEVATED BORON ASSOCIATED WITH LITHIUM, SODIUM, SULFATE, AND ARSENIC IN NEWARK BASIN PRIVATE WELLS
A private well study of 376 homes in the Passaic and Lockatong Formations, for arsenic and boron, found 94 homes (25%) exceeding the New Jersey arsenic maximum contaminant level, 18 homes (5%) exceeding the boron health advisory, and 12 homes (3%) exceeding for both arsenic and boron. The primary health concerns for boron exposure are testicular toxicity and infertility in males, as well as developmental effects for unborn babies, infants, and children. Removing boron from well water is extremely difficult due to its presence as an uncharged ion B(OH)3 below pH 9.24. Experiments with reverse osmosis had only a 15% removal rate for boron even in well water at pH 9.9 where the B(OH)4- anion should predominate.