South Loveland Outfall

Water Quality Vault Components

South Outfall – Before

South Outfall – After

North Outfall Complete

Contruction at 19th St and Colorado

Construction In Residential Neighborhood

42in RCP Placement

Project Summary

Phase 3 of the South Loveland Outfall Project serves as a regional stormwater collection and conveyance system for the Sherri-Mar Subdivision, future Aspen Knolls Subdivision and tributary areas to the south of these developments within the southern part of Loveland, Colorado.  Anderson Consulting Engineers was responsible for the design, construction drawings, permitting support, assistance with technical specifications & construction cost estimates, assistance with the procurement of a construction contractor under a Construction Management-at-Risk (CMAR) process, and construction observation and field engineering services.


  • Client/Owner: City of Loveland
  • Project Location: Loveland, Colorado
  • Approximate Project Cost: $7 Million
  • Project Completion Date: November 2021
  • Project Components:
    • Hydraulic design of a residential/regional drainage system using EPA-SWMM, UD-Inlet, HEC-RAS, and HY-8
    • Replacement of an old 42-inch RCP through the BNSF Railroad, with a 72-inch steel pipe, which was hand dug and jacked through the railroad embankment. This involved assisting the City of Loveland with the acquisition of a railroad crossing permit
    • Replacement of an existing 36” ADS Pipe with 2 x 60-inch RCP’s, under an access road
    • Construction of approximately 2.3 miles of new drainage system for the Sherri-Mar Subdivision:
      • Installation of over 12,000 L.F. of RCP, ranging in size from 18” to 60”
      • Installation of 66 manholes, ranging from 4’ to 8’ in diameter
      • Installation of 43 inlets including Type C, D, R and Type 13 Combination Inlet
      • Installation of sweeper inlets where appropriate
    • Construction of a water quality outlet structure
    • Implementation of a water quality enhancement vault
    • Construction of requisite open channel stabilization measures

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