A listing of professionals issued Class A licenses authorizing them to perform percolation tests for on-site wastewater treatment and disposal systems.

Counts of waterfowl found in regular aerial surveys of Delaware waterfowl habitat areas.

A listing of professionals issued Class I licenses authorizing them to inspect all new, replacement and repairs of small gravity on-site wastewater treatment and disposal systems, and gravity on-site system component replacements and to perform cover inspections for above grade gravity on-site wastewater treatment and disposal systems.

A listing of professionals with current, active licenses for eight classes of activity related to wastewater treatment and disposal systems.