# Invert Elevation — Utility Construction Glossary

The lowest point of the internal surface of a pipe or channel, crucial for determining flow direction and maintaining proper drainage slopes.

## Frequently asked questions

### How is invert elevation determined?

Invert elevation is measured using surveying equipment and is typically referenced to an established benchmark or datum.

### Why is invert elevation important?

Proper invert elevations ensure gravity flow systems work effectively and prevent issues like standing water or reverse flow.


## Related terms

- [gravity-sewer](https://www.dunninfrastructuregroup.com/glossary/gravity-sewer)
- [slope](https://www.dunninfrastructuregroup.com/glossary/slope)
- [manhole](https://www.dunninfrastructuregroup.com/glossary/manhole)

Accurate invert elevation measurements are fundamental to proper drainage system design and construction.

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Source: https://www.dunninfrastructuregroup.com/glossary/invert-elevation
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