Facilities - Identify Wet

Wet facilities

These facilities typically contain year-round water and often have significant aquatic vegetation. Water levels may rise during a storm, but should not breach the structure.

Dry facilities
Underground structures and facilities

Introduction to recognizing facilities on your property


Wetpond (above) is an open basin with a permanent pool of water. Sediment and pollutants settle to the bottom. Often combined with a detention pond.




Treatment wetland (below) is a shallow pond that uses dense wetland vegetation and settling to filter sediment and oily materials. It often provides wildlife habitat.