Working Hard For You Through the Federal Safe Drinking Water Act (SDWA), the USEPA is responsible for setting national limits for hundreds of substances in drinking water and also specifies various treatments that water systems must use to remove these substances.
(the USEPA; is; responsible for setting national limits for hundreds of substances in drinking water) (the USEPA; specifies; various treatments that water systems must use to remove these substances) (various treatments; must use; to remove these substances) Context(various treatments must use,List([190, 236))):(water systems; to remove; these substances)
various treatments must use,List([190, 236))
the USEPA the USEPA various treatments water systems
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responsible for setting national limits for hundreds of substances in drinking water
various treatments that water systems must use to remove these substances
to remove these substances
these substances