Strategic Environmental Consulting

USACE Permitting

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GBMc & Associates provides strategic US Army Corps of Engineers (USACE) Permitting Services to a range of clients in order to reduce, avoid, or minimize impacts to Waters of the US and to minimize costs associated with permitting and mitigation.  Specific service areas include:  identification and delineation of Waters of the US, development of pre-construction notification packets (permit applications) for Section 404 of the Clean Water Act and Sections 9 and 10 of the Rivers and Harbor Act, correspondence and negotiations with the USACE, and mitigation support including guidance on avoidance of Waters of the US and development of compensatory mitigation plans.

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Procurement of compensatory mitigation credits from wetland mitigation banks including calculation of compensatory mitigation credits, coordination with the USACE, and coordination as well as negotiations with mitigation banks for purchase of credits.


Experienced in use of functional assessment methods such as the Charleston Method for calculation of wetland impacts and mitigation credits and in the use of stream impact evaluation methodologies, including the Little Rock Stream Method. These functional assessment methods are used to calculate wetland/stream credits required for compensatory mitigation.


Coordinated with the USACE to develop pre-construction notification forms for expedited permitting process in the Fayetteville Shale Region for oil and gas clients.

Provided permitting support for numerous pipeline rights of way and associated infrastructures such as compressor station pads and well pads. Permitting support has ranged from traditional pre-construction services to after the fact support.

Greg Phillips


Greg is an Environmental Scientist and Principal owner at GBMc & Associates. Greg has a diverse background in aquatic biology and toxicology. Greg’s experience includes work in the areas of: modeling surface water quality, toxicity testing, conducting ecological surveys of fish and benthic macroinvertebrate communities, and environmental sampling of various media.

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Brad is Senior Environmental Scientist and Senior Associate with GBMc & Associates. Brad has a diverse background in water chemistry, soil science, and wetland biology. Brad’s focus areas include wetland delineation / U.S. Army Corps of Engineers permitting, ecological assessments, storm water design / permitting, and fate / transport of nutrients and contaminants in soils.

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