PROJECTS
The analysis, design, and permit approval processes for drainage projects grow more complex and involved every year.
→ IDOT District 1 Various Hydraulic Studies
→ Butterfield Road
→ Stormwater Management Master Plan
→ Annie Glidden Road
→ Techny Drain Stormwater Improvements
Technical people who can talk
about an issue in plain English.
City Engineer
DRAINAGE ENGINEERING
AT A HIGHER STANDARD

Need effective and cost-conscious solutions to your drainage concerns?
HLR’s staff combines decades of experience with the latest technology and training to analyze and develop effective, cost-conscious solutions.
HLR dedicates significant resources to ensure that our staff is up to date on the latest regulations, ordinances, and analysis requirements of the numerous permitting and approval agencies throughout the state. This dedication results in an expedient permit approval process for our clients.
 

HLR’s drainage engineering services include:
  • Location Drainage Studies
  • Hydraulic Reports
  • Bridge and Culvert Design
  • Hydrologic and Hydraulic Analyses
  • Storm Sewer Design
  • Floodplain / Floodway Analysis & Permitting
  • FEMA Map Revisions
  • Storm Water Retention / Detention Facility Design
  • NPDES Permitting
  • Subdivision Plan Review
  • Storm Water Master Planning
Contact HLR to discuss how we can help meet your drainage engineering needs.
 

 
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