Nitrogen Reducing Septic System Cost

Costs for nitrogen reducing systems are significant.
Nitrogen reducing septic system cost. They range from 4 000 for some systems used to retrofit existing systems to 11 000 or more for nitrogen reduction units more appropriate for new construction. The norweco tnt total nitrogen treatment system works to reduce the weight of solids in wastewater by up to 98 by reducing its bod. How the norweco tnt nitrogen reduction septic system works. A 2017 study initiated by cpr fl with the florida department of environmental protection documents that given 13 feet of soil beneath a drainfield a conventional septic system reduced nitrogen by 85 percent.
Expense is a major concern when it comes to the advanced wastewater treatment systems that are a big part of suffolk county s program to reduce nitrogen heading from homes to waterways and. Appropriate for use in retrofitting of existing systems. These costs are in addition to the costs for septic tanks and dispersal units. The actual unit with out pump or trash tanks is about 3500 i can normally install an atu in one day then come back later for final clean up they have a 5 year warrantee.
The limits of conventional nitrogen removal technology are generally accepted as 3 mg l of nitrogen. Alternative technologies are reportedly able to reduce septic system effluent nitrogen concentrations by 50 70 depending on the nitrate loadings and the type of technology being used. An upgraded nitrogen removing best available technology bat unit reduces a system s nitrogen load in half. Passive drainfields called in ground nitrogen reducing biofilter media layer systems advanced nitrogen reducing electro mechanical tanks.
Although not designed to attenuate nitrogen properly maintained traditional systems reduce nitrogen by 47 percent. It is a complete disservice to any homeowner to be told that a passive solution which is just a drainfield replacement is available. Nitrogen reducing septic system i install an aero tech for about 7 grand. Improvements at the plant in 2005 have reduced nitrogen going into the harbor but the harbor is ringed with summer houses some a hundred years old that rely on septic systems and cesspools.
A conventional septic system does not remove much nitrogen instead delivering about 23 2 pounds of nitrogen per year to the groundwater.