Recharging Our Water Resources

| Most states in the US have had long-established groundwater management regulations that all water agencies must comply with, except for California—until it adopted the Sustainable Groundwater Management Act (SGMA) in 2014. Agencies outside of the state are paying attention. Mark Rude, executive director of the Southwest Kansas Groundwater Management District, commented in an inter­view, “Everyone is ... READ MORE

A Diversity of Options

| Geosynthetic materials offer diverse ways to manage stormwater quantity and improve water quality. They can be used to stabilize soil, provide irrigation above and below the surface, collect runoff, and more. Butler County, OH In the Ohio Department of Transportation’s (ODOT’s) ­central office, “We do training and create standards for ­district managers and their employees,” ... READ MORE

Now You See It

| Many of the drainage and filtration systems explored in this article look like ordinary planter boxes, housing anything from flowers and groundcover to full trees. That’s not all, however. They can be disguised as ramps and entranceways to venues in ways that are pleasing to the eye and yet filter stormwater at the site. Through ... READ MORE

The Underground Scene

| The Visitors From Beyond the Graves One would think a storm drain tunnel would be a lonely place to work, especially where it twists and turns beneath a legendary old cemetery, but a strange thing happened during a pipe rehab project. David O’Sullivan, president of PW Trenchless Construction, says his technicians were dumbfounded as they ... READ MORE

Estimating Parameters for an Effective Sediment Basin/Trap

|   The only best management practice (BMP) that creates optimal conditions for removing significant amounts of sediment from runoff waters is a properly designed, installed, and maintained sediment basin or trap (Figure 1). Also known as sediment containment systems (SCSs), these designed structures have the potential to remove 75% or more of the suspended solids ... READ MORE

Do You Know Your Outfall From a Hole in the Ground?

| Both the experiential and material qualities of the built environment matter greatly, and cities with a perceived high quality of urban life are thriving as a result of high-quality infrastructure. The time has come for us—as design professionals, civic leaders, and stewards of the urban environment—to respond to a shift in the way society values ... READ MORE

Taking the Next Step in Strategic Program Management

| The City of Fort Worth, TX, established a Stormwater Utility in 2006 to provide a consistent revenue stream to support a stormwater management program. Prior to that time, City efforts relative to stormwater management were almost exclusively reactionary, and the City had little information to adequately understand the nature and magnitude of stormwater issues throughout ... READ MORE

Innovative Filter Design Application Targeting E. Coli and Phosphorus Removal

| High concentrations of Escherichia coli (E. coli) bacteria in urban stormwater and natural waters is a public health concern. Ingestion of E. coli can cause various diseases, such as gastroenteritis, urinary tract infections, and neonatal meningitis. Excess phosphorus in stormwater and natural waters is also a concern because high phosphorus levels cause algae blooms, inhibiting recreation and harming aquatic ... READ MORE

Denver’s Urban Water-Quality Adventure

| Denver is a city in transformation. Over recent years the city has averaged close to 2% annual growth, adding more than 13,000 people per year. This growth, combined with the millennial trend to prefer denser communities with high-quality “urban life,” is causing a pronounced densification of Denver’s urban core, where some neighborhoods have seen greater ... READ MORE

But What Are You Doing About the Owl Habitat?!

| What seemed simple on the surface became complicated in a hurry. In May 2015, we had a plan to resolve persistent flooding issues in the Rolling Hills neighborhood (Figure 1) through a series of stormwater projects involving large box culverts and open channel work. Work was phased from the upstream end to downstream due to ... READ MORE