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Sewage Treatment & Disposal Systems

Spray

Spray irrigation is an efficient way to nourish plants and apply reclaimed wastewater to the land; however, in order to protect public health, the wastewater must be treated to a very high level before being used in this type of system. Spray irrigation systems are designed to deliver wastewater slowly at rates beneficial to vegetation, and the wastewater is applied either to the ground surface or at shallow depths, irrigation may be permitted on certain sites with high bedrock, perched seasonal water tables or shallow groundwater, or slowly permeable soils. Irrigation systems also can be designed to accommodate sites with complex terrains.

Drip Irrigation

We are one of only a few in the state of Ohio that are licensed to install and service this type of system. We currently have thousands of high quality installations completed in central Ohio.

These systems are pressurized to ensure an even distribution of wastewater into the soil. They utilize small diameter tubing with pressure compensating emitters to apply wastewater uniformly over an infiltration system.

Drip distribution works on the principle of timed micro-dosing to maintain aerobic conditions in the soil. Timed micro-dosing applies effluent to the soil at specific intervals throughout a 24 hour period which allows for improved wastewater treatment. This pattern of application requires sufficient system storage to allow for occasional peak flows when water usage is heavy.

Health Department regulations require these systems to be specially engineered and have strict specifications on their designs. When properly sited, designed, installed, and maintained; drip systems can help overcome the typical problems associated with uneven wastewater distribution which often results in the surfacing of wastewater within the area over the distribution field, as well as sewage odors and other nuisance conditions.

Aerobic

Aerobic systems require special care and maintenance. The motor that provides aeration to the system must operate continuously. If it does not, the oxygen level required by the microorganisms which thrive in the aeration unit will not be sufficient and they will begin to die. These "sewage bugs" help to break down the organic matter in the wastewater and biologically convert it to stable substances in the form of liquids and gases. The aeration and mixing of the wastewater insures that it comes in contact with the microorganisms so thorough treatment can occur. Loss of suitable aeration will result in little or no sewage treatment taking place within the aeration unit.

Several aerobic system designs also incorporate the use of filters to provide necessary treatment. They need to be checked and cleaned regularly. Aerobic systems also have mechanical components that will need to be checked and serviced regularly. Since some of the additional care and maintenance required with these systems is beyond the expertise of the average homeowner, various companies have been certified by the original manufacturers to offer extended service contracts. These normally cover motors and other components which require maintenance.

Mound

Another relatively modern sewage system which is currently being installed is a mound system. This design utilizes a soil absorption system constructed above grade. Sand fill is used to enhance treatment of the wastewater prior to entering the natural soil at the site. Sites that may be unsuitable for a conventional leaching system may be suitable for a mound system.

The mound system was originally developed in the early 1970's in the State of Wisconsin. The system has been widely accepted across the United States, especially in areas with slowly permeable soils, shallow bedrock, or high seasonal water tables.

Leaching Tile Fields

The typical household sewage system installed throughout the country for decades has utilized a septic tank and a leaching tile field. By design, the sewage flows from the tank to the leaching area where it drains from clay tile or perforated pipes laid in gravel trenches. The wastewater then enters the soil where it must be properly filtered, distributed, and absorbed so that it does not pose a contamination threat to groundwater.

Leaching systems can function well in areas with well drained soils. Unfortunately, much of the remaining areas being built on consists of poorly drained clay soils. These soils are often compacted and have very little absorption capacity. The soil permeability - the rate at which water percolates into the soil - is very slow. Poorly drained soils are typically saturated with water during wet weather and stay wet for long periods of time after a heavy rain. Since much of the space between the soil particles is already filled with water, the effluent leaving the sewage system is forced to rise and collect on the surface of the ground causing foul-smelling and swampy conditions. Leaching fields installed in these soils can only function properly during periods of dry weather. Some local areas are also effected by very shallow bedrock. The thin layer of soil which covers the bedrock is insufficient in depth to support a leaching system.

Drip System Documents

OWMS Service Agreement
Drip System Manual
Drip System Manual:Components
Drip System Manual:Jet Components