Residential Septic System Design - Minnesota

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Design

A quality design is the first step in achieving the best system for your site.  We care about designing the lowest-cost system possible, while also meeting your desires regarding the impact on your property.  We begin with a customer conversation to determine your needs and a site visit to assess conditions.  Special attention is focused on protecting the integrity of your site – saving trees, fitting in with the landscape and preserving usable space in your yard. Once we determine all your options, we will review them with you and discuss their costs.  Then you decide what you want to do.

Septic System Design

Percolation testing

A “perc” test is a traditional method of determining the ability of the soil to receive water. We can perform a “perc” test as required by your local jurisdiction.

Standard system design

Standard septic systems are the most common type.  They consist of septic tanks followed by trenches, mounds, or pressure beds.  Since we also install and maintain systems, we know the issues that affect a quality design. We design systems to last.

Type IV (formerly performance) systems with advanced treatment

Advanced treatment systems treat wastewater to a very high level.  Certain technologies remove over 95% of contaminants in wastewater.  They can be utilized for small lots, tight sites, environmentally sensitive areas, or simply to extend the life of your system.   We have experience with many types and brands, and match the technology to the customer’s needs and site conditions.

Click here for more advanced treatment.

Mound alternatives

On some sites a mound system can be avoided by using a Type IV system.  Some technologies are approved for reduced separation (distance to the water table) and can therefore reduce the height of a mound.

Reduced sized drainfields

Setbacks to property lines, buildings, and wells may prohibit use of a standard drainfield.  Some jurisdictions allow a reduced sized system in order to avoid holding tanks.  We have built drainfields as small as 10’ x 16’ to fit on restricted sites. Above ground systems can be built inside a wall to save space and blend into your landscaping.

Reduced size drainfields give you options for:

  • Restricted sites
  • Holding tanks
  • Saving trees
  • Preserving the character of your site

Failing system updates or replacements

Not all failing systems need to be replaced.  Some components of your system may be able to be reused.  Adding advanced treatment may be able to bring a system into compliance, eliminating the need for a replacement drainfield. Updating your current system may be an option if you are adding on or remodeling. Repair and recovery.

Permitting process

We have established respectful working relationships with regulators throughout Minnesota. We carry your design through the permitting process, including variance applications and public hearings.