About Company

Herr Corporation (Herr Construction) is a fourth-generation, Oconomowoc, Wisconsin–based construction and environmental services firm that specializes in on-site wastewater solutions and related sitework; the company provides septic and mound system design and installation, septic pumping and maintenance, soil testing and POWTS evaluation, sewer and water work (including repair, jetting, camera inspection and lining), excavation, driveways, grading, stormwater drainage and retention pond construction, and trucking services, serving southeastern Wisconsin counties with permit assistance, field evaluations, and long experience documented in the company’s published guide (Herr Corporation / Contact).

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