Practice Code: 620
Reporting Unit: Feet (Ft.)
An underground outlet is a conduit installed beneath the surface of the ground to collect surface water and convey it to a suitable outlet.
Purposes and Benefits
Disposes of excess water collected by erosion control structures
Helps to prevent gully erosion
Improves crop yields
Improves water quality by helping to divert clean water to a safe outlet
Ground Disturbing Potential of Conservation Practices
This is a potential ground disturbing conservation practice. Any project with ground disturbing or potential ground disturbing practices planned may need to be submitted for review by the State Historic Preservation Officer and Tribal Historic Preservation Officers. Please see the Cultural Resources Review Process Flowchart for an outline of this process. View a list of conservation practices used in New York State, and their ground disturbing potential.
Conservation Practice Support Documents
Support Documents for this conservation practice are available for download from an abbreviated version of Section IV of the NRCS Field Office Technical Guide (FOTG).
All support documents associated with this and other conservation practices are available at the NRCS Field Office Technical Guide web site.
Related Conservation Practices
This practice is commonly used in a Conservation Management System with practices such as:
Grassed Waterway (412)
Lined Waterway or Outlet (468)
Roof Runoff Structure (558)
Subsurface Drain (606)
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