Sentence examples for stormwater overflow from inspiring English sources

Concentrations increased by 5 150 times after stormwater overflow events.

April's sampling was only conducted in response to worries about stormwater overflow.

The project focuses on the efficiency of combined technologies to reduce the release of micropollutants and bacteria into surface waters via sewage treatment plants of different size and via stormwater overflow basins of different types.

Stormwater overflows prompted billions of gallons of sewage to be pumped into the river Thames, killing thousands of fish.

The brighter picture in New York City abruptly dims during rainstorms, however, because of combined sewage and stormwater overflows that overwhelm the treatment plants.

But completion of the Deep Tunnel project depends on using huge quarries that would serve as reservoirs for stormwater overflows, and mining companies are still extracting rock to create them.

Some cities such as Boston, Chicago, and Atlanta have built deep storage tunnels to hold stormwater overflows, says Chris Hornback, regulatory director of the National Association of Clean Water Agencies.

Decades of industrial pollution, stormwater runoff and sewer overflows have left the canal teeming with "PCBs, heavy metals, pesticides, volatile organic compounds, sewage solids from combined sewer overflows, and polycyclic aromatic hydrocarbons (PAHs)," according to clean water advocacy group Riverkeeper.

The Philadelphia Water Department has committed to taking a green infrastructure (GI) approach to reduce stormwater runoff and prevent combined sewer overflow events.

Stormwater runoff and the resulting sewer overflows are a major source of river pollution around many cities--and a major financial burden for already-stressed municipal budgets.

Every inch of the District's 45 miles of Potomac watershed streams and rivers is so tainted with bacteria from sewer overflows and other pollutants from stormwater runoff that the city prohibits swimming.