Inflow/Infiltration Reduction Program – Algona, IA

Inflow/Infiltration Reduction Program


WHKS conducted field inspections to approximately 2,600 residential, commercial, and industrial properties to identify illegal connections to the City’s sanitary sewer system.

On an ongoing basis, WHKS is also providing design and construction observation services for rehabilitation of portions of the existing wastewater infrastructure. Collection system repair techniques include sanitary sewer pipe replacement, sewer lining, manhole replacement, and manhole rehabilitation.


  • Collection system repair and rehabilitation design
  • Sump pump inspections
  • Sanitary sewer televising
  • Manhole inspections
  • Smoke testing
  • Report preparation