Bulletin E3454
Blind Inlet

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February 28, 2022 - Ehsan Ghane<ghane@msu.edu>, Michigan State University Extension

A blind inlet is an in-field conservation practice that replaces a surface inlet or drains water from depressional areas on a field. The watershed area that contributes water from the surface into the depressional area can be as large as about 20 acres. The surface area of a blind inlet can be as large as 50 ft by 50 ft.

A blind inlet provides the water-quality benefits of reducing phosphorus and sediment loss. A blind inlet requires occasional maintenance for longevity. With proper installation and maintenance, blind inlets can reduce sediment and soil-attached phosphorus losses. Another benefit of a blind inlet is that it supports farm machinery traffic, so it does not interfere with field operations.

To read more about this, go to the MSU Extension Drainage Website.

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