Most drains connecting homes to main sewers are no wider than four inches, so blockages easily occur if anything other than water, toilet paper and human waste is washed down toilets and drains.
Amongst the usual suspects of Cotton buds, Condoms, Sanitary towels, Dental floss etc they have also discovered some rather bizarre items at their sewage treatment works.
Here are just a few of the more unusual items they've found:
Apparently they have had calls from customers asking if they can retrieve and return their dentures.
Hope they gave them a good rinse!