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The interior of a drinking water treatment plant._DW Treatment Plant
The interior of a drinking water treatment plant. In March, 2007, EPA issued guidance for water systems that need to make a change in operations or treatment to comply with the requirements of the Long Term 2 and/or the Stage 2 Disinfection Byproducts Rule. Compliance with all existing Safe Drinking Water Act regulations requires “simultaneous compliance.” water.epa.gov/lawsregs/rulesregs/sdwa/lcr/upload/2007_5_1... Eric Vance, photographer. Original public domain image from Flickr
Public DomainFree CCO U.S. Government image for Personal and Business use