The manhole covers in Toluca Lake are made of concrete

 

or plastic (composite materials)

 

and are rectangular in shape

 

.

No gold-colored covers or covers bearing the city emblem were found in Toluca Lake.
Colored covers are generally those that were painted after manufacturing, particularly those used for water infrastructure

 

.

Some of the covers are intended for the Los Angeles Department of Water and Power

 

.

The intended use of the covers is usually indicated on them: water

 

, lighting

 

, and transportation

 

.

Manufacturers
Most of the covers do not bear the manufacturer’s name. Among the manufacturers identified are Armorcast

 

and Dayton Foundry

 

.

Standards
Standard markings are generally absent from the covers. Another cover bears the ANSI (77) TIER 15 standard marking

 

.