· Industrial ¾ Commercial and manufacturing facilities
· Municipal ¾ Publicly Operated Treatment Works (POTWs) discharging waste water from sewage treatment or industries connected to the drainage system
· General ¾ Includes construction or industrial stormwater, coal mining, non-contact cooling-water discharge, discharges from petroleum-related corrective -action sites, and small sanitary dischargers; these are not included in the mapping compiled here
The accuracy of the attribute data is dependent on its derivation from secondary source material. No formal tests were performed.