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Definition

Clean Water Act

CWA

US federal law governing water pollution. Establishes the NPDES permit program for point-source discharges and the §404 permit program for dredge-and-fill activities.

Related terms

Concept of OperationsConOps

A document describing how a system will be used from the user's perspective. Covers operational scenarios, mission timel...

Controlled Unclassified InformationCUI

Information that requires safeguarding or dissemination controls per law, regulation, or government-wide policy, but is ...

Critical Design ReviewCDR

A phase gate review that evaluates the detailed design to ensure it satisfies the requirements and can proceed to fabric...

C3 Energy

The characteristic energy of an interplanetary trajectory, equal to the square of the hyperbolic excess velocity. C3 qua...

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