A San Francisco group is petitioning for tighter rules on endocrine disruptor concentrations in surface waters.

That’s well and good, but we’re already having a heck of a time cleaning up surface waters, and it seems more effective to go upstream and ratchet down usage of these compounds in first place.

The SF Chronicle report states that

The Center for Biological Diversity petitioned the U.S. Environmental Agency to beef up criteria under the Clean Water Act for pesticides, pharmaceuticals and other endocrine disruptors that leak through the water-treatment process and contaminate groundwater and drinking-water supplies.