and where i live, most cant install leach filed septic systems due to soil composition. i have 2-thousand gal tanks for solid collection, then an aeration tank for liquid, then one last tank that collects the water, hits it with UV light, and pumps it to the ditch. no worries with sanitizers, and i just have the 2-thousand gal tanks pumped out every 3 years to remove anything not broken down. $18K poop system.....ridiculous.