Crews race to drain Florida wastewater reservoir on brink of collapse
By Gabriella Borter and Steve Gorman
(Reuters) -Emergency crews labored around the clock on Monday to prevent the collapse of a wastewater reservoir’s leaky containment wall near Tampa Bay, Florida, making steady progress after officials warned of an imminent threat of flooding over the weekend.
The U.S. Army Corps of Engineers worked with local public safety teams to drain the Piney Point reservoir, which holds about 480 million gallons, in a bid to prevent a major breach that could unleash a cascade of wastewater into the surrounding area, officials said.
While the pumping operation appeared to diminish the immediate threat to hundreds of homes near Piney Point, a former phosphate plant, the wastewater drainage was being discharged to a nearby Gulf Coast seaport, posing environmental concerns there.
The crisis began over the weekend when a worsening week-old leak in the containment wall prompted authorities to order the evacuation of more than 300 dwellings, with Florida Governor Ron DeSantis declaring a local state of emergency on Saturday.
Authorities said they were particularly concerned that tall stacks of phosphogypsum waste, an industrial byproduct from fertilizer manufacturing, might suddenly collapse and be swept into adjacent communities.
Crews from the state Environmental Protection Department and Army Corps of Engineers teamed up on Monday to “reassess the stability of that wall and a second breach that we might have found,” Jacob Saur, direct of public safety for Manatee County, said in a video statement.
Nevertheless, he and acting county administrator Scott Hopes said the imminent flood threat had eased on Monday as expanded pumping operations lowered the volume of the reservoir, reducing stress on the containment structure holding back the wastewater.
“By the end of the day today when the additional pumps come online, we will more than double the volume of water that we’re pulling out of that retention pool,” Hopes said at a news conference. Just under 300 million gallons remained as of midday Monday, he said, adding that crews were looking to drain an additional “75 to 100 million gallons a day.”
Wastewater from the property, owned a company called HRK Holdings, was being pumped into Port Manatee at the mouth of Tampa Bay, raising concerns that the nutrient-dense discharge could spawn algal blooms toxic to marine life in the estuary.
“The biggest concern from our standpoint right now is the amount of nutrients being loaded into the lower Tampa Bay,” Ed Sherwood, executive director of the Tampa Bay Estuary Program, told radio station WMNF on Sunday. “This event, in probably five to 10 days, is introducing the amount of nutrients into the bay that we would want to see over an entire year.”
U.S. Representative Vern Buchanan, a Republican who represents Florida’s 16th district, told reporters on Monday that reducing possible ecological harm from the draining was a top priority and that the Environmental Protection Agency was working with local agencies to monitor and mitigate the situation.
“Just the fact that we’re running water into the Tampa Bay is not a great thing,” Buchanan said. “But the reality of it is, it seems like it’s the right thing to do right now.”
Representatives for HRK Holdings could not immediately be reached for comment.
(Reporting by Gabriella Borter in New York and Steve Gorman in Los Angeles; Editing by Steve Orlofsky and Aurora Ellis)
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