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Scrolling through my Twitter feed recently, I spotted an inspiring Tweet shared from an unlikely handle: Metra, the operator of the commuter rail I take to work each day. The inspiring message wasn’t from Metra, but from a first-time train rider...
I was amazed when a professor in my undergrad program likened traffic flow to hydrodynamic systems. Specifically, traffic flow was first simulated by applying a kinematic wave function taken from fluid dynamics to describe how changes in flow are...
As urban sprawl has extended its reaches farther away from city centers, the development of natural landscapes has caused issues with the healthy biodiversity of watersheds. This can be seen extensively in the fringe suburban developments that are...
Name: Southeast Water Treatment Plant Location: Marshall Country, Ala. Size: 12 mgd Infrastructure: coagulation, flocculation, sedimentation, filtration, disinfection Known as “Rocket City” because it is the home of much of the rocket...
Installing new pumps at the Stillingfleet Surface Water Pumping Station. Whether it is the repair or refurbishment of a floodwater pumping station or the construction of a completely new one, it is essential to match the correct pump(s) to the...
Wastewater treatment is a dirty job, but with dirt comes cleaning. Wastewater treatment professionals spend valuable time cleaning various system components. Ask nearly any municipal wastewater crew member and they will tell you that one of the most time...
Full-scale biological filtration system for removal of ammonia from groundwater in Palo, Iowa. Ammonia has been a silent nuisance contaminant that has gone unnoticed in the water treatment industry for years, and it does not have a mandated maximum...
With water utilities facing growing challenges such as aging infrastructure, financial constraints, climate change and strict regulatory requirements, the need to better assess and improve performance to promote efficiency, transparency and...
The low-pressure sewer system in Surgoinsville, Tenn., delivers wastewater to the neighboring city of Church Hill's wastewater plant.  Finding cost-effective sustainable solutions for wastewater infrastructure challenges is a balancing act for...
Across the country, many of the areas with the worst wastewater infrastructure are very small, unincorporated rural communities with no money, formal staff or experience managing large capital projects. So when a state’s pollution control agency notifies...

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