Plumbing a Problem

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Sewer Backups Burden Baltimore Homeowners. A UMD Researcher Steps In.
By Liam Farrell

The map on the Baltimore City Department of Public Works website looks sterile, but the problem it illustrates is most definitely not.

Colored dots peppered across the graphic show locations of sanitary sewer overflows, the wastewater that spills in homes, streets or the environment due to a pipe break or blockage, ranging from the small and mop-able to the overwhelming in odor and damage.

An estimated 1,440 gallons of raw sewage reportedly spread on Canterbury Road near Hampden in February; 540 gallons spilled on North Hilton Street near Gwynns Falls Park in March; and 2,370 gallons leaked on Kane Street east of Bayview in May.

Marccus Hendricks, assistant professor in the School of Architecture, Planning and Preservation, is filling in the stories behind those incident reports. The goal is to provide a case study and roadmap for urban centers across the country dealing with antiquated infrastructure and storms strengthened by climate change.

“A lot of these issues are exacerbated by more frequent and intense wet weather events,” Hendricks says. “It’s a pervasive issue and only the beginning of what we can expect to see.”

The overflows are hardly new in Baltimore—the city has been under a consent decree with state and local authorities since 2002 to fix the problems; Hendricks says Baltimore averages 6,000 backups annually.

It’s a cascading and stomach-turning mess that can wipe out a family’s possessions before contaminating streets and public places. A city reimbursement program has struggled to keep up with demand, although Baltimore public works officials say they have doubled the payout to $5,000 and note the overflows do not affect the city’s drinking water supply.

But while the problem itself is citywide, says Carmela Thomas-Wilhite, Baltimore program manager for the Chesapeake Bay Foundation, the ability to clean up varies from person to person. “It’s an environmental justice issue,” she says. “Everything is connected.”

A specialist in stormwater impacts on infrastructure, Hendricks started the project after he was chosen in 2018 as a JPB Environmental Fellow by Harvard University’s T.H. Chan School of Public Health. He’s been analyzing overflow data and conducting interviews with everyone from homeowners to Environmental Protection Agency officials.

Thomas-Wilhite believes Hendricks’ research could be another part of the effort in fixing an urgent city problem.

“It takes a group of people to create change within this city,” she says. “His research is really just holding them accountable to do the right thing.”


Teknik elektro

href The increasing frequency and intensity of wet weather events are posing significant challenges for communities around the world. As noted by Hendricks, this is a pervasive issue that we can expect to see more of in the coming years. These weather events can exacerbate existing issues such as flooding, erosion, and infrastructure damage, and create new challenges such as increased mold and insect infestations. It's critical that we take steps to mitigate the impact of these events, both through adaptation measures like improved stormwater management and infrastructure design, as well as through efforts to reduce greenhouse gas emissions and address the root causes of climate change. By working together and taking a proactive approach, we can help ensure the resilience of our communities and protect the health and well-being of our planet.

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