Category Archives: Water Quality

The Economic Challenge for Addressing TCP Groundwater Contamination

In 2017, California’s State Water Resources Control Board adopted a drinking water standard for the regulation of 1,2,3-Trichloropropane (TCP) at a maximum contaminant level of 5 parts per trillion. In a January 2021 presentation at a webinar sponsored by the American Ground Water Trust, Hydrowonk argued that addressing TCP groundwater contamination will cost at least $4 billion. Many of the challenges occur in Economically Disadvantage Communities that lack institutional capacity to develop, fund and operate projects.

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