Water Resources Management Associates, Inc.

Civil Engineering and Drainage infrastructure design.

Website

About the firm

Water Resources Management Associates, Inc. (WRMA) provides professional water resources and civil engineering services. Founded in 1997, it specializes in the analysis and design of municipal stormwater systems, sanitary and combined sewer systems, and flood control and drainage facilities. The practice delivers hydraulic modeling, pipeline condition assessment, environmental permitting, and grant procurement services for public and private clients across the Mid-Atlantic and Southeastern United States.

Established
1997
Team
Small
Firm type
Civil Engineering · Water / Wastewater Engineering · Environmental Engineering

Credentials

Certified Floodplain Managers · Certified Erosion Control Specialists

Capabilities

Civil Engineering

Service website

Delivers infrastructure design, rehabilitation, and retrofit services for drainage and water resources systems, catering to both public and private clients.

  • Drainage infrastructure design

    Design of surface water and municipal drainage systems.

  • Sanitary sewer overflow (SSO) compliance

    Engineering solutions to meet regulatory SSO guidelines and mitigation standards.

  • Combined sewer overflow (CSO) compliance

    Analysis, modeling, and mitigation planning for combined sewer networks.

  • Sewer system rehabilitation

    Restoration of aging utility pipelines utilizing modern trenchless technologies.

  • Pump station analysis

    Hydrologic and hydraulic modeling to evaluate pump station capacity and efficiency.

  • Transportation drainage design

    Drainage planning and design for roadways, highway corridors, ports, and airport facilities.

Water Resources

Service website

Utilizes advanced hydrologic and hydraulic computer modeling to support capital planning decisions and long-term water infrastructure investments.

  • Surface and groundwater modeling

    Computer-based simulation of surface and subsurface hydrology to evaluate water availability and flow.

  • Watershed stream restoration

    Engineering designs to restore natural stream hydrology, protect ecosystems, and combat erosion.

  • Wetland ecosystem modeling

    Hydroperiod simulation to analyze, manage, and preserve sensitive wetland ecosystems.

  • Seepage and groundwater modeling

    Evaluation of subsurface water movement, aquifer seepage, and control designs.

  • Water quality assessment

    Assessments and modeling to evaluate and protect receiving water bodies from nutrient impairment.

Stormwater Management

Service website

Provides comprehensive storm utility engineering from initial concept formulation through the development of construction-ready plans.

  • Stormwater conveyance design

    Engineering of open channels, piping, and structural components to safely direct storm runoff.

  • Stormwater master planning

    Regional planning and analysis to guide long-term stormwater utility investments and improvements.

  • SWPPP and NPDES compliance

    Preparation of storm water pollution prevention plans to satisfy national pollutant discharge guidelines.

  • Erosion and sediment control

    Design of mitigation systems to minimize soil erosion and sediment transport on active construction sites.

Green Infrastructure & Sustainability

Service website

Employs nature-based solutions and best management practices to achieve regulatory water quality compliance while enhancing ecological sustainability.

  • Green infrastructure design

    Engineering of vegetative and soil-based systems to manage stormwater naturally.

  • Canal bank stabilization

    Custom stabilization designs and erosion countermeasures for open canals and natural waterways.

  • Control structure retrofitting

    Modifications to existing water management gates, weirs, and sediment transport facilities to improve efficiency.

Floodplain Modeling

Service website

Performs detailed hydrologic studies to support FEMA map revisions under the guidance of certified floodplain managers.

  • Floodplain delineation studies

    Mapping and modeling to establish accurate regulatory flood boundaries.

  • LOMR and CLOMR preparation

    Development of technical submittals for Letter of Map Revision and Conditional Letter of Map Revision.

  • Flood level of service determination

    Analyzing structural capacity to establish and maintain targeted municipal flood protection standards.

Permitting

Service website

Navigates environmental and civil projects through complex local, state, and federal regulatory frameworks to prevent scheduling delays.

  • Environmental permitting

    Securing environmental clearances and resource agency approvals.

  • FEMA regulatory compliance

    Guiding drainage projects through federal flood control and map revision permitting requirements.

Condition Assessment

Service website

Conducts diagnostic evaluations of municipal sanitary and storm sewer networks to identify structural and operational defects.

  • CCTV pipeline inspection

    Using closed-circuit television cameras to visually inspect buried piping and utility mains.

  • Pipeline rehabilitation planning

    Developing prioritization schedules and trenchless repair designs based on diagnostic data.

Bridge Hydraulics

Service website

Performs hydraulic modeling and scour evaluations for bridge crossings and drainage culverts.

  • Bridge hydraulic and scour analysis

    Evaluating riverine flow around bridge substructures to design scour countermeasures.

  • Scour countermeasure design

    Engineering structural reinforcements to protect bridge piers and abutments from erosion.

  • Culvert design and rehabilitation

    Designing cost-effective culverts and structural liner retrofits compliant with highway standards.

GIS & Remote Sensing

Service website

Applies spatial analysis and high-resolution aerial imaging to support watershed master planning and infrastructure layout.

  • GIS mapping and analysis

    Developing geographic databases and spatial maps for municipal utilities.

  • Remote sensing and aerial imaging

    Processing aerial and satellite data to analyze vegetative cover and drainage basins.

  • CAD services

    Creating precise engineering drafts and computer-aided design layouts for construction.

Grant Writing

Service website

Secures state and federal funding for hazard mitigation, coastal resiliency, and green infrastructure initiatives.

  • Hazard mitigation grant procurement

    Assisting municipalities with applications for federal disaster mitigation funds.

  • Coastal resiliency grant writing

    Securing funding for projects designed to protect coastal areas from rising sea levels and storm surges.

  • Green infrastructure grant procurement

    Drafting proposals to fund sustainable, nature-based stormwater solutions.

Industries

Government · Transportation · Land Development · Federal · Waste Management · Water Resources · Stormwater & Flood Control · Wastewater · Water Supply

Projects