Virginia DEQ (Department of Environmental Quality) is a state agency that regulates environmental permits and compliance for facilities in Virginia, including data centers seeking air and water discharge permits.
Referenced in 3 briefingsLast referenced: July 31, 2026
A 144-page Virginia DEQ study found groundwater east of I-95 essentially exhausted, with sustainable withdrawals below 30,000 gallons per day near the state's densest data center cluster.
Its new two-year budget requires DEQ to map water-scarcity areas by July 2027, with data centers in those zones or east of I-95 forced to minimize cooling water by 2032.
Virginia DEQ's revised guidance effective July 1, 2026, mandates SCR, DPF, and CEMS on new backup generators at a presumptive 0.60 g/hp-hr BACT standard, codified in HB 507.