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Division of Water Resource Management

Capacity vs Flow

One question that is frequently asked by individuals reviewing domestic wastewater treatment facility data is:

What is the difference between capacity and flow?

This short article provides guidance on the significance and use of these terms.

Flow

“Flow” is the easier of the two terms to grasp. It simply is the actual amount of water flowing by a particular point over some specified time. In most cases, we report flow in terms of millions of gallons per day. You will see this unit of measurement abbreviated as “MGD.”

Things of Interest to the Public

Components and Chemical Additive Certification Requirements

The state requires that all chemicals added to drinking water and all system components that come in contact with drinking water be certified under ANSI/NSF Standards 60 and 61. These standards ensure that there are no harmful chemicals inadvertently added to the drinking water supply. Please note: Links on this page will open in a new browser window.

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