When the top EPA official overseeing its WaterSense program first heard President Donald Trump’s rant about toilets that must be flushed a dozen times and modern faucets that only provide drips of water, she was at a loss for words.

The emails, which were provided to NBC News in response to a Freedom of Information Act request, show part of the agency’s response to Trump’s eye-opening remarks in which he railed against the federal regulations governing toilets, showers, sinks and dishwashers.