Water and Wastewater Terms Beginning M
A B C D E F G H I J K L M N O P Q R S T U V W Y Z
manhole lid
The heavy, cast-iron or forged-steel cover of a manhole. The lid may or may not have vent holes.
A B C D E F G H I J K L M N O P Q R S T U V W Y Z
The heavy, cast-iron or forged-steel cover of a manhole. The lid may or may not have vent holes.