Private Septic Systems

Print Feedback

Font Size: + -

A typical conventional system has three main components, the integrity of which impact the ability of the entire system to function properly. building sewer, septic tank, distribution box, drainfield pond, ground water In Woodbury County, the Siouxland Distict Health Department holds the primary responsibility for regulation of private septic systems serving 4 homes or fewer or less than 15 people. Siouxland Distict Health oversees any individuals, homeowners, or contractors installing systems to ensure compliance with the minimum state standards developed by the DNR. Chapter 69: Onsite Wastewater Treatment and Disposal

The DNR standards specify siting and construction requirements relative to the primary and secondary treatment portions of the sewage disposal systems as well as minimum depth to groundwater, minimum separation distances to potable water sources, and maximum percolation rates for soils. The DNR standards are primarily a prescriptive code giving design criteria for each alternative type of secondary treatment system permitted. The Siouxland District Health Department does have the authority to allow alternative or innovative performance based systems.

Installation of Private Septic Systems

Access Riser on top, followed by 2 compartment tank, below that is the scum layer, then clear zone and on bottom is the sludge layer Box with valves and fluid in the bottom Drain tile connected to box which is connected to a house with pipe

Permitting / Application for Private Septic System

Any individual, homeowner or contractor seeking to install a private sewage system is required to obtain a permit to construct systems in Woodbury County. Currently, septic systems require both a pre-construction site inspection and post-construction inspection prior to back filing to verify compliance with code requirements. Obtain an application for a Private Septic System for Woodbury County here.

Time of Transfer Inspections

Iowa's time of transfer inspection law went into effect July 1, 2009. This law requires that every home or building served by a private septic system is required to conduct an Inspection prior to the sale or deed transfer. The primary purpose of this program is to eliminate systems with no secondary treatment. It is important to understand that, septic systems do not have to meet today's code to pass an inspection. If the septic system is working properly when inspected, it will not have to be upgraded to meet today's code. Older systems may not have adequate capacity to meet current code, but still have a leach field or other secondary treatment that is working. These systems are less hazardous than those that have no secondary treatment and carry raw sewage to a ditch or stream.

Time of Transfer FAQ