Dennis Engineering Company

Provides planning, design, and construction services for potable water systems, ensuring safe and reliable access for municipalities.

• Water Supply

  Addresses development of both new and existing water sources from streams to wells, determining specific needs from casing and piping to pump capacity, and analyzing existing systems for efficiency.

• Water Transmission

  Provides engineering services for water transmission to storage tanks or distribution systems, utilizing hydraulic analysis to determine optimal designs for current and future needs.

• Water Storage

  Designs water storage tanks and manages tank rehabilitation to meet American Water Works Association (AWWA) standards while minimizing service interruptions during construction.

• Water Distribution

  Designs and constructs distribution systems incorporating fire suppression, service lines, flow metering, pressure management, and maintenance access.

• Booster Stations

  Incorporates booster stations to regulate flow and maintain optimal capacity while minimizing strain on existing piping systems.

Assists communities with wastewater system needs from initial concept and design through construction, permitting, and long-term operations.

• Wastewater Collection

  Designs collection systems for new installations, upgrades, and extensions, determining optimal sewer line depth, size, manhole placement, and appurtenances.

• Manhole and Collection Line Rehabilitation

  Assesses corroded sewer lines using closed-circuit television (CCTV) inspection to identify and implement cost-effective repair and rehabilitation methods.

• Lift Stations

  Integrates lift stations with backup generation and safety features to manage significant elevation changes within sewer networks.

• Wastewater Treatment Facilities

  Designs and upgrades treatment facilities including lagoons and wastewater treatment plants, and provides start-up training for operators.

• Effluent Reuse Facilities

  Designs effluent reuse systems to meet specific water quality requirements for applications such as public space irrigation, agriculture, and construction.

Develops, designs, and rehabilitates transportation infrastructure, streets, and roads to improve safety and accessibility.

• Rural and Urban Roadway Design

  Develops and rehabilitates municipal and county roads, managing soil reinforcement, surfacing options, drainage integration, and traffic flow.

• Intersection Improvements

  Designs intersections focusing on safety, visibility, accident prevention, crosswalks, and ADA compliance.

• Parking Lot Improvements

  Designs and rehabilitates parking lots to optimize traffic flow, ease of use, and ADA compliance.

• Surface Treatment

  Applies surface treatments such as seal coating, chip sealing, and crack sealing to extend roadway life and reduce maintenance costs.

• Pedestrian Trails and Pathways

  Designs sidewalks, multi-use trails, and bicycle lanes to optimize safety and accessibility for non-motorized transport.

Designs practical, cost-effective drainage and stormwater management solutions based on climate and topography studies.

• Open Channel Systems

  Designs open channel drainage systems, including swales and large channels, to prevent erosion and slow downstream water accumulation.

• Storm Drain Systems

  Designs and rehabilitates storm drainage networks designed for local topography and climate to prevent roadway flooding.

• Detention and Retention Ponds

  Utilizes hydrology analysis to design detention and retention ponds, incorporating spillways and erosion control for flood prevention.

Partners with community leaders to secure project funding, manage regulatory compliance, and plan public works developments.

• Planning

  Conducts planning studies and assessments to help communities outline infrastructure needs and project goals.

• Permitting and Easements

  Assists in meeting regulatory standards, securing necessary permits, and managing easement acquisition.

• Project Funding

  Assists communities with funding applications and documentation to help maximize municipal and county budgets.