Archive | Monitoring & Maintenance RSS feed for this section

Canadian city “prices” 150 local trees for National Tree Day

While it may be true that “money doesn’t grow on trees,” the City of Hamilton (Ontario, Canada) wants residents and visitors to know that each tree can add thousands of dollars to the value of its surrounding community. To help raise awareness of both the economic and ecological benefits provided by local trees, city environmental […]

Continue Reading

New York City awards Dewberry contract to improve green infrastructure

The New York City Department of Design and Construction (NYCDDC) awarded Dewberry (Fairfax, Va.), a contract to provide design services for green infrastructure improvements in New York City. The contract includes preparing plans using the New York City Department of Environmental Protection’s (DEP) standard design for right-of-way bioswales, right-of-way rain gardens, and stormwater green streets. […]

Continue Reading

Chesapeake Bay summer ‘dead zone’ predicted to be slightly smaller in 2016

In Chesapeake Bay this year, the amount of algae that will decay will render a stretch of water approximately equal to the volume of 2.3 million Olympic-sized swimming pools unable to support life. According to the U.S. Geological Survey (USGS), the National Oceanic & Atmospheric Administration (NOAA), and local partners in the Chesapeake Bay watershed, […]

Continue Reading

ASCE seeks comments on three updated stormwater guidelines

The American Society of Civil Engineers (Reston, Va.) is seeking public comment on three updated guidelines: ASCE/EWRI Standard Guidelines: Design of Stormwater Impoundments, ASCE/EWRI Standard Guidelines: Installation of Stormwater Impoundments, and ASCE/EWRI Standard Guidelines: Operation and Maintenance of Stormwater Impoundments. The public comment period opened April 6 and will close on May 21, 2016. These […]

Continue Reading

Hope for saving salmon lies in reducing stormwater pollution

Salmon exposed to toxic stormwater can die in a matter of hours. But preliminary new findings by Washington State University (WSU; Seattle) researchers suggest that bioretention systems, such as rain gardens, that filter out contaminants from stormwater runoff are key for preventing lethal impacts on fish, according to a WSU press release. Effective bioretention systems […]

Continue Reading

EPA report finds that nearly half of U.S. river and streams have nutrient pollution

A new scientific report released by the U.S. Environmental Protection Agency (EPA) found that 46% of the nation’s river and stream miles suffer from phosphorus and nitrogen pollution. This situation creates a poor habitat environment that is not conducive for supporting healthy populations of aquatic life. These conditions are caused largely by excess fertilizers, wastewater, […]

Continue Reading

Joan Rose wins 2016 Stockholm Water Prize

Michigan State University (East Lansing) professor Joan Rose has been named the 2016 Stockholm Water Prize Laureate for her contributions to global public health including her research on microbial risk to human health in water. Announced at the United Nation’s World Water Day celebration in Geneva, professor Rose — who has dedicated her professional life […]

Continue Reading

Yale study finds that small ponds are relatively large greenhouse gas producers

A new study by researchers at Yale University found that smaller ponds generate disproportionately higher concentrations of global greenhouse gas emissions from inland waters. Although ponds less than a quarter of an acre in size make up only 8.6% of the surface area of the world’s lakes and ponds, they account for 15.1% of carbon […]

Continue Reading

Australian Community Launches Large-Scale Floating Wetlands Project

Parklakes II, a master-planned residential community within Bli Bli on the Sunshine Coast of Queensland, Australia, will soon be home to a unique floating wetland installation. The first of the 230 pontoons that support the vegetation were launched Nov. 25. Eventually the pontoons will cover 2100 m2 of a 2.5 ha lake and will be […]

Continue Reading

Benefits of Green Development Clear in Side-By-Side Comparison with Conventional Development

In Norman, Okla., the Trailwoods community is demonstrating the benefits of green infrastructure when compared side-by-side with traditional stormwater management techniques. The neighborhood, developed by Ideal Homes, includes 17 lots constructed with curb and gutter and downspout-to-driveway conveyance as well as two stormwater basins. Another 17 lots are designed with rain gardens, rain barrels, and […]

Continue Reading