Storm Water Engineering

HA Clients

Municipalities
County Government
Land Developers
Residential Community Associations
Private Sector
Drainage Districts
Educational Facilities
Contractors (ie Surmeier & Surmeier)
Housing Authorities
Healthcare Facilities
Military Facilities

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HA Projects

Storm Sewer Systems
Channels
Culverts
Detention/Retention Basins
Lining Pipe
Erosion Control and Sedimentation Control Measures
Lake Outlet Structures
Regional Detention Facilities
Gabion Walls
Stormwater Management Facilities
New Construction Projects
Rehabilitation Projects
Replacement Projects
Combined Stormwater/Sanitary Sewer Separation Separation Projects

HA Services

Hydrologic/Hydraulic Modeling
Drainage Studies
Floodplain Studies
Detention/Retention Basin Design
Storm Sewer & Culvert Design
Drainage Channel Design
Environmental Permitting
Regulatory Permitting
NPDES Permitting
SWPPP
IDOT Entrance Permits
Establishing BFEs
Preliminary Engineering Reports
Construction Documents (Plans & Specs)
Construction Cost Estimating
Bidding Assistance
Construction Administration
Construction Observation
Construction Staking
U.S. Army COE 404 permits
FEMA LOMA/LOMR
FEMA Elevation Certificates

Why Heneghan Associates?

Heneghan Storm Water Featured Projects

Our Goal

Our goal is to provide our clients with feasible projects that can be implemented in a timely manner to meet their needs. HA’s professional staff provides continual communication throughout the project’s analysis/feasibility study, design, permitting, construction, and funding process to provide creative/practical/collaborative/cost-effective solutions. Solutions which result in budget conscious reliable systems requiring minimal maintenance and providing consistent performance year after year.

Experienced Team

Heneghan’s team has an extensive portfolio of experience necessary to address storm water projects, as small as localized drainage problems of less than 1 acre to system-wide improvements with regional detention covering hundreds/thousands of acres. We work proactively to assist clients with efficient and cost-effective solutions, while maintaining regulatory compliance. Our experience with storm water management is well documented. See OUR WORK for sample projects.

Funding Ingenuity

Heneghan’s team works with you from the beginning of the project to provide funding solutions to enable your projects to be implemented. Our vast funding experience includes providing project budgets, cash flow analyses, and storm water rate studies. In addition, we assist in obtaining government funding through various grant and low-interest loan programs, and assist in developing storm water utility user fees. See our FUNDING ASSISTANCE page for additional details.

Alternative Project Delivery Methods

We are in the middle of difficult times with aging infrastructure, increasing regulations, increasing regulatory enforcement, and diminishing funding sources. During times like these we realize that client needs cannot always be met with standard methods so HA offers alternative project delivery methods (Design/Build and Design/Build/Finance) through our partnership with Heneghan Construction Services, LLC (HCS). The Design/Build method allows for faster project completion, reduced engineering fees, collaborative versus adversarial relationships, and a single-point-of-contact. The Design/Build/Finance method allows clients to meet their current financial constraints by spreading out the project payments over a period of years while still resolving their problems immediately by constructing the project now. See our Design/Build Construction service page for more details.

The City of Litchfield’s South Side Ditch Drainage Improvements project is featured HERE.

The City of Jerseyville’s Curtis/Adams Drainage Improvements project is featured HERE.