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water resources

Urban Landscape
Urban Landscape
Urban Landscape

our expertise

With increasing frequency, clients remain challenged with improving the management of our impervious environment. With today’s climate change challenges, cleanliness, availability, and quality of water is of paramount concern. Our team of engineers and technicians provide innovative, cost-effective solutions and recommendations for a wide range of water management systems and improvements, including the design of reservoirs, dams, and levees. The management and design of drainage systems for stormwater runoff and the systems needed to manage runoff in an environmentally sound manner is a critical component of almost every site/civil engineering project. With a focus on safety, constructability and lifecycle costs, Patrick is proud to meet these challenges with value-added solutions.

Urban Landscape
Urban Landscape
Urban Landscape

our disciplines

Groundwater Assessment + Supply

  • Hydrogeologic Investigations

  • Flow Direction + Rate

  • Well Studies + Design

  • Groundwater Quality


Surface Water Studies

  • Modeling/Flood Routing

  • Watershed Studies

  • Water Quantity

  • Water Quality

  • Floodplain Studies + Map Revisions

  • Bathymetric Surveys


Surface Water Management

  • Dam Inspection + Design

  • Reservoir Design + Permitting

  • Storm Sewer Design

  • Shoreline Protection

  • Erosion Protection + Sediment Control


Wastewater Management

  • Sewer System Evaluations

  • Sanitary Sewer Design

  • Pumps Stations

our projects

Little Calumet River Basin Development Commission | Deep River Levee + Rock Riffle Dam

Little Calumet River Basin Development Commission | Deep River Levee + Rock Riffle Dam

Patrick performed design of a levee and associated improvements to reduce the impacts of flooding from the Little Calumet River into an adjacent residential neighborhood. Patrick's scope included a detailed watershed study to confirm watershed limits and identify up to three conceptual solutions to manage overland flow on the land side of the levee. The team performed a detailed river survey to obtain adequate bank cross sections and bathymetric survey to perform detailed hydraulic design of the river modifications and to adequately model the river for the dam modifications, rock riffle, and levee design. Geotechnical field investigation was performed to determine foundation conditions for the levee and potential borrow sources for levee construction. Preliminary design included the levee, detention basins, pump stations and storm sewer improvements to handle storm water flows upland of the proposed levee. Phase 1 included removal of the top of an existing sheet pile wall dam across Deep River, installation of rock riffles with fish and canoe passages, a boat launch constructed of articulated concrete block mat, public parking areas, and a bike path with pedestrian bridge connecting the residential area to a recreation building on the other side of the river. Phase 1 was completed in 2021.

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