Waterworks

The Waterworks (Japanese: ちかすいどう Underground Waterworks) is the location of the third mission in. It is the sewage system of Fall City.

A number of appear in the Waterworks. As the Fall City rangers are investigating the Go-Rock Squad, the undefined is recruited to capture and remove them. Later, it is revealed that the Go-Rock Squad brought the Grimer from another region, and released them so they couldn't return to their natural habitats. After some consideration, they are allowed to live in the sludge-storage area of the waterways. There was also a that the Go-Rock Squad  as the boss Pokémon.

Wild Pokémon
This is a listing of the Pokémon found in the Waterworks:

Wasserwerk Red de aguas de Otonia Acquedotto 地下水道