A major industrial city it became known for cars chemicals & of course toilet water

Below you can find the A major industrial city it became known for cars chemicals & of course toilet water Jeopardy Words Answer. The answer to A major industrial city it became known for cars chemicals & of course toilet water has 7 letters. This clue belongs to the German cities category and is part of Jeopardy Word Level 2242. If you scroll near the bottom you will find other clues and answers part of level 2242