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Positive pressure

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Water

Pressure within a pipe that is greater than atmospheric pressure.

Bureau of Reclamation — Bureau of Reclamation Glossary

Related Water terms

Absolute pressure
Atmospheric Pressure
Back pressure
Backsiphonage
Evaporimeter
Gauge pressure
Ground water table
Manometer
Negative pressure
Observation Well
Phreatic surface
Pounds per square inch (psi or lb/in2)
Swell pressure
Tensiometer

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Definitions are reproduced with attribution to their original sources; each entry links to the source and shows when it was retrieved. About · FAQ · Data build 2026-10-15.