The CDC reported that Massachusetts waste water levels reached 13.53 coronavirus RNA copies per milliliter of waste water as of July 20 compared to 6.14 copies per milliliter nationally. Just two weeks earlier, Massachusetts levels were recorded at 3.64 coronavirus RNA copies per milliliter, according to the CDC data.

An equally dramatic escalation was recorded in New Hampshire, according to the CDC. As of July 20, Granite State waste water levels hit 14.49 coronavirus RNA copies per milliliter, the CDC reported. Two weeks earlier, on July 6, test results recorded 4.93 coronavirus RNA copies per milliliter of waste water.

The data places both Massachusetts and New Hampshire among the 19 U.S. states with “very high” levels of the virus, the data shows.

Maine and Connecticut currently both have a “high” level of the virus in wastewater while Vermont and Rhode Island both have “moderate” levels, the CDC said.

Other states registering “very high” waste water levels include California, Oregon, Washington, Florida, Utah, Wyoming, Idaho, Nevada, Colorado, New Mexico, Texas, Arkansas, Missouri, Minnesota, Louisiana, South Carolina, and Maryland, according to the CDC.

This is a developing story and will be updated.

John R. Ellement can be reached at john.ellement@globe.com. Follow him @JREbosglobe.

CONCORD, MASS. (WHDH) – Second Gentleman Doug Emhoff held a rally in New Hampshire Wednesday to campaign for his wife, Vice President Kamala Harris.

“It’s good to be back in New Hampshire,” Emhoff said to a cheering crowd at a union hall in Concord, N.H.

Harris’ presidential campaign has some momentum in New Hampshire. The latest 7News/Emerson College poll found registered Granite State voters favor the vice president over former President Donald Trump 50 percent to 46 percent.

When asked how she felt about the poll numbers, U.S. Representative Annie Kuster explained that she was “very excited.”

“We’re having thousands of volunteers show up, we’ve got hundreds of people turning out today for Doug Emhoff,” Kuster said.

Harris unofficially took over the top of the ticket just last week, when President Joe Biden announced he would not seek a second term.

“This has been a surreal week, week and a half. We have barely been able to spend much time together,” Emhoff said at the rally.

The vice president is quickly improving on Biden’s standing in the 7News/Emerson College poll from last November, moving three percent higher in New Hampshire. But, Trump is also up — gaining four percent since November.

“The polls have tightened but we’re still the underdog, right? We are. So we’ve got to work extra hard each and every day,” Emhoff said.

The poll found Granite State voters under 30 are switching their support to the Harris campaign. Last November, the poll found they favored Biden over Trump by four points. But now, they’re favoring Harris by 17 points.

New Hampshire State Sen. Donovan Fenton, 35, spoke to Harris’ attraction to people in their 20s.

“She brings enthusiasm and energy. Polls are great, but that’s not going to stop us from getting out there and working our butts off,” Fenton said.

With the Harris campaign in New Hampshire, Trump will likely spend some time in the state as well. It promises to be a battleground state over the next three months.

Ray Buckley, the chair of the New Hampshire Democratic Party, noted Democrats have fared well in recent presidential elections.

“We’re positively optimistic and we think that we will carry it, but it will be close,” Buckley said.

The Trump team was unavailable Wednesday for comment about New Hampshire.

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