Real Ale Brewing Co. discharges production and process graywater to the municipal sewers. As production increased from 5,000 barrels in 2006 to 60,000 barrels in 2014, graywater averaging 6,000 mg/L BOD and 750 mg/L TSS threatened to overwhelm the aging municipal wastewater treatment plant.“Our city officials have always been strong partners,” says Tim Schwartz, director of brewing for Real Ale, a craft brewery in Blanco, Texas. “They allowed us to continue operations while we built a pretreatment facility. Meanwhile, we sidestreamed some high BOD items into a haul-off tank, which reduced BOD loading to 4,500 mg/L and TSS to 300
