How To Rebuild A Septic Drain Field. Cod removal and nitrification take place in the sand layer, as in the conventional lateral field. In a septic tank system, the lateral field (the soil absorption system or the drain field) is the key component for nitrate removal.
As you may have probably guessed by now, not every single business in the world has a leach field. Use a saber saw to cut through the drums.step 2, attach a 4 in (10 cm) toilet flange to each hole. On average, septic tank repairs cost $1,709 with most homeowners typically spending between $626 and $2,874.
On average, septic tank repairs cost $1,709 with most homeowners typically spending between $626 and $2,874.
A phone call will bring an experienced person from slagter construction and we will look at several factors before we begin. Any ideas what might be happening? To improve nitrate removal efficiencies, a layer of sulfur/limestone (s/l) was introduced underneath the sand layer. Wastewater is distributed through the pipes to the gravel layer where filtering takes place before it enters the surrounding soil.