Archived articles

Clean water

Omar Lloyd carries flats of grass plants while working on installing the Harbor Wetlands exhibit

Environmental science

Alum helps harbor wetland flourish

Published Aug 12, 2024

Omar Lloyd, A&S '20, helped the National Aquarium bring a tidal salt marsh back to the Inner Harbor

An illustration of a faucet filling a glass with water

Q+A

A closer look at the EPA's proposed regulations of 'forever chemicals'

Published March 21, 2023

Carsten Prasse, assistant professor of environmental health and engineering, discusses the effects of the regulations on public water systems—from their benefits for Americans' health to the reality of implementation

Engineering

A new approach to safer tap water

Published Aug 31, 2021

Leveraging bioassays and artificial intelligence could help identify previously unknown chemical mixtures in the water supply, say Carsten Prasse and Paul Ferraro

Environmental health

Johns Hopkins scientist develops method to find toxic chemicals in drinking water

Published Jan 12, 2021

Only 11 byproducts from water disinfection are currently regulated in drinking water, and environmental engineer Carsten Prasse says there's more that must be done

Environmental Health

What's in your water?

Published Jan 29, 2020

Researchers discover that common water disinfecting method may result in toxic byproducts

Water worries

A harmful flaw in water treatment methods?

Published May 2, 2018

Water treatment process converts commonly used chemicals into harmful compounds that affect cellular function and metabolism, study finds

Spillway of the Conowingo Dam shows water filtering out from a large concrete structure

ECOLOGY

Dam near full

Published Winter 2017

For the past 90 years, the Conowingo Dam has prevented fertilizer runoff from nearby farms from entering the Chesapeake, but as the dam fills with silt, it becomes less effective / Johns Hopkins Magazine