Biological Laboratory Information

Unit Main Number 919-743-8401

All toxicity analyses reported by dischargers must, by water quality regulations, be performed by a biological laboratory certified by the state of North Carolina. This certification program is operated by the Aquatic Toxicology Branch and includes laboratory inspections, data tracking and performance evaluation testing.


Laboratory Certification

NC DWR Whole Effluent Toxicity (WET) Procedures




Water Sciences Section 1621 Mail Service Center Raleigh, NC 27699-1621 919.743.8400