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Expert Septic & Sewer Services in Southeastern Wisconsin
Herr Construction has served Southeastern Wisconsin as a leader in septic, mound, and sewer system solutions since our founding. With four generations of expertise in construction, environmental services, and trucking, we specialize in septic system installation, repair, and maintenance, along with soil perc testing, sewer jetting, and stormwater drainage. Our team combines decades of hands-on experience with industry certifications to deliver code-compliant, durable wastewater solutions for residential and commercial clients.

We pride ourselves on technical excellence, customer education, and comprehensive servicefrom initial design to final installation. As authors of the definitive guide on septic systems, we remain committed to advancing industry standards while providing personalized service tailored to each client's unique needs. Our family legacy ensures every project benefits from institutional knowledge and a deep understanding of local regulations and environmental considerations.
Services
Septic System Installation Sewer Repair Soil Perc Testing Mound Systems Sewer Jetting Storm Drainage Systems Retention Ponds
Highlights and features
  • Four generations of specialized septic system expertise
  • Master Plumbers with 35+ years of installation experience
  • DNR-certified septage operators and licensed soil testers
  • 24/7 emergency service for urgent wastewater issues
  • Authors of Wisconsin's leading septic system reference guide
Associations and certifications
  • DNR
  • DSPS
  • WOWRA
Services
Septic System Installation
We design and install custom septic systems meeting Wisconsin's strict environmental standards. Our process includes soil analysis, system sizing, and code-compliant installation for new construction or replacements. With decades of experience handling complex sites, we ensure efficient wastewater treatment tailored to property-specific conditions while maintaining regulatory compliance throughout Southeastern Wisconsin.
Sewer Repair
Our certified technicians diagnose and repair sewer line issues using advanced camera inspections and jetting technology. Services include leak detection, pipe replacement, and root intrusion removal. We handle both residential and commercial sewer emergencies with minimal disruption to property while providing lasting solutions that prevent recurring problems in municipal and private sewer lines.
Soil Perc Testing
We conduct state-certified soil percolation tests to determine proper septic system design and placement. Our licensed morphological analysts evaluate soil composition, absorption rates, and site conditions to ensure system longevity. This critical assessment prevents future failures by matching system specifications to the land's natural capabilities while complying with local environmental regulations.
Mound Systems
We specialize in elevated mound system design and installation for challenging soil conditions. Our engineers create customized solutions that treat wastewater effectively in areas with high water tables or shallow bedrock. These systems incorporate advanced filtration media and precise grading to protect groundwater quality while maintaining reliable operation through seasonal weather variations.
Sewer Jetting
High-pressure sewer jetting removes blockages, grease buildup, and root intrusions from sewer lines. Our industrial equipment clears pipes up to 12 inches in diameter, restoring optimal flow capacity. This non-invasive method extends system lifespan while reducing repair needs, particularly effective for commercial properties and older piping networks requiring regular maintenance.
People
Richard D. Herr
Founder
With over 60 years in plumbing and excavation, Richard established Herr Construction' reputation for excellence. He collaborated with local governments on infrastructure projects and designed hundreds of wastewater systems before passing leadership to the next generation.
Michael R. Herr
President
As a fourth-generation Master Plumber, Michael oversees technical operations with 35+ years installing complex septic and mound systems. His expertise includes commercial site development and stormwater management solutions for diverse Wisconsin landscapes.
Todd Stair
Vice President
A licensed POWTS inspector with 30 years' field experience, Todd directs system evaluations across 11 counties. Certified in septage operations and soil testing, he authored Wisconsin's leading septic reference guide and serves on state advisory councils.
Peggy Stair
Office Administrator
Peggy manages administrative operations with prior healthcare industry experience. Holding a UW-Milwaukee science degree, she ensures smooth project coordination and client communication for residential and commercial service requests.
Questions
What areas do you service?
We serve Waukesha, Jefferson, Walworth, Ozaukee, Racine, and Dodge Counties in Southeastern Wisconsin.
Do you offer emergency services?
Yes, we provide 24/7 emergency response for urgent septic and sewer issues.
How do I know if my septic system needs replacement?
Signs include frequent backups, pooling water, or foul odors. Contact us for a professional evaluation.
Are your technicians certified?
Yes, our team holds DNR, DSPS, and WOWRA certifications for septic and wastewater management.
Can you help with new construction projects?
We provide complete septic system design and installation for residential and commercial developments.