A recognized leader in the field, PSI provides hydrogeologic design and consulting services to clients faced with a wide range of regulatory requirements.

As a result of our professional staff’s project experience and direct involvement in the regulatory community, we can provide our clients with responsive project management, resulting in cost-effective, technically sound solutions to their groundwater problems.

In the hydrogeologic field, PSI has established a strong and prestigious position with regulatory agencies through continuous interaction with the regulators and through a state-of-the-art approach to complex projects.

The following presents a list of specific Hydrogeotechnical Engineering capabilities:

	Solid waste facility site investigations
	Effluent disposal
	Stormwater retention/detention
	Potable water-well supply testing and permitting
	Saltwater intrusion modeling
	Groundwater flow monitoring
	Septic tank design and permitting
	Lake infiltration/leakage modeling
	Drawdown effects on wetlands
	Groundwater monitoring plans
	Sanitary landfill permitting support
	Geophysical well logging
	Regional and subregional hydrogeologic investigations and modeling
	NPDES permitting