California water authorities want to regulate the chemical that made Erin Brockovich famous. But complying with the law could cost residents in smaller supply districts thousands of dollars each year.
That’s one of the dilemmas facing state regulators as they consider all facets of setting a drinking water standard for hexavalent chromium, which the State Water Resources Control Board is set to vote on next spring.
Meeting the standard for the carcinogenic heavy metal could cost districts with less than 200 connections an estimated $5,600 per account each year.
But customers of systems serving more than 10,000 connections would see ...