The department may designate discharges from municipal separate storm sewers on a system-wide or jurisdiction-wide basis. In making this determination the department may consider the following factors:
Total suspended solids (TSS)
Total dissolved solids (TDS)
Chemical oxygen demand (COD)
Biochemical oxygen demand (BOD5)
Oil and grease
Fecal coliform
Fecal streptococcus
pH
Total Kjeldahl nitrogen
Nitrate plus nitrite
Dissolved phosphorus
Total ammonia plus organic nitrogen
Total phosphorus
9 Va. Admin. Code § 25-875-950
Statutory Authority: § 62.1-44.15:28 of the Code of Virginia; Chapters 68 and 758 of the 2016 Acts of Assembly.