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Is It a Sinkhole?

By Brendan P. Merk, P.G.
Expert Overview

There is a depression in the ground in front of you as you are heading into work. It wasn’t there when you left yesterday. Could this be a sinkhole? Not every depression in the ground meets the…

Hydrology and Flooding

By Michael J. Tuttman, P.E.
Expert Overview

Residential and commercial development can permanently affect the flow of stormwater, potentially negatively impacting local waterways and neighboring properties. Activities during the construction of…