Nitrogen Reducing Septic System Florida
In 2013 fdoh studied the residential nitrogen reduction septic systems operating in florida for the past 13 years.
Nitrogen reducing septic system florida. Development of passive nitrogen reduction technologies. As we move forward with this important effort dep is working with citrus hernando leon marion orange pasco. Although not designed to attenuate nitrogen properly maintained traditional systems reduce nitrogen by 47 percent. All residential nitrogen reduction septic systems in florida are required to have an annual inspection done by an fdoh employee their permit renewed every 1 2 years 75 a yr a maintenance contract in place for the life of the.
An additional treatment unit is installed using aeration and recirculation to promote the biological processes that release the harmless nitrogen gas into the air. And evaluation and prediction of the fate and. The norweco tnt is an innovative alternative treatment unit atu specifically designed for residential total nitrogen wastewater treatment. In 2008 the florida legislature directed the department of health to develop a tool box of cost effective nitrogen reduction strategies for onsite sewage treatment and disposal systems ostds.
Learn more about dep s septic upgrade incentive program opens in new window a program to provide financial incentives for homeowners to upgrade their existing conventional onsite sewage systems to nitrogen reducing septic systems in certain areas. Task c determine efficacy of nitrogen reduction in florida soils and contributions to shallow groundwater. We ve seen these systems work and we re confident that they will reduce nitrogen prior to july 2018 only a half dozen types of advanced treatment septic systems were allowed. The project had two main areas of focus.
Reduce nitrogen in sewage by around 65. 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. The septic upgrade incentive program is no longer accepting new applications for participation in the program as current funding has been exhausted. Each of these options is described below.
An advanced septic system addresses the issue before the nitrogen reaches the drain field to reduce the impact on florida s groundwater and drinking water reservoirs. The norweco tnt total nitrogen treatment system works to reduce the weight of solids in wastewater by up to 98 by reducing its bod. Task b install top candidates for nitrogen reduction technologies at existing florida homes with documentation of performance and cost. In ground nitrogen reducing biofilters inrbs include a nitrate reducing filter layer below the drainfield with material that reacts with nitrate.
How the norweco tnt nitrogen reduction septic system works. Determine preliminary design criteria for new passive nitrogen reduction systems.