WATERSHED MANAGEMENT

We provide a broad range of services to local government, developers, private property owners, and other government agencies in watershed and environmental planning. These services include writing and amending watershed plans and technical standards, permit preparation and review, and technical analysis of watersheds and conveyance systems.

• Management Planning
• Floodplain Delineation
• Hydrologic & Hydraulic Analysis

STORMWATER ANALYSIS AND DESIGN

We design new systems, evaluate old systems, and recognize appropriate methods for evaluating and designing these systems. We develop conveyance and treatment systems serving residential areas to multi-million dollar stormwater conveyance and treatment facilities.

• Storm Sewer Analysis, Design, & Construction
• Detention and Treatment Pond Design
• Erosion & Sediment Control Design

WETLAND PERMITTING AND MITIGATION

Our personnel work closely with property owners or government entities to evaluate shoreland and wetland issues, and design cost-effective mitigation measuring. Services range from identifying and mitigating wetland fill, permitting, delineation, and advising local governmental units.

• Boundary Delineation & Types
• Mitigation Planning

DREDGE MANAGEMENT

Dredge projects typically require a range of services to address technical and socioeconomic issues, including sediment profiling, regulatory liaison, disposal planning, environmental impact assessment, cost allocation, and public involvement. Our staff addresses property owners needs, regulatory requirements, and funding programs to achieve project results that are satisfactory to the many parties involved in surface water projects.

• Sediment Sampling, Analyses, and Profiling
• Permitting and Environmental Impact Assessment
• Cost Allocation
• Dredge Coordination/Management

ENVIRONMENTAL PERMITTING AND COMPLIANCE

Our staff at Liesch are experts in NPDES permitting activities, which include permit negotiations, monitoring, best management practices design and construction, low impact development, storm water management plans, pollution prevention plans, data management and various other NPDES permit compliance activities.

• Pollution Prevention
• NPDES Permit Compliance
• Storm Water Monitoring & Treatment
• Storm Water Pollution Prevention Plans (SWPPs)
• MS4 Compliance