Learn more tab, 2nd paragraph below Online Mapper showing decadal changes in groundwater quality, 2nd sentence, please add the highlighted text:
For chloride, which has a Secondary Maximum Contaminant level of 250 mg/L this would mean the change in concentration exceeded 12.5 milligrams per liter, or 5 percent of the benchmark.
Learn more tab, 2nd paragraph below Online Mapper showing decadal changes in groundwater quality, 2nd sentence, please add the highlighted text:
For chloride, which has a Secondary Maximum Contaminant level of 250 mg/L this would mean the change in concentration exceeded 12.5 milligrams per liter, or 5 percent of the benchmark.