Contact Violation

I've been asking the maintenance to fix things in my flat for months. When they finally came they fix 3 things and left the rest out, they said they will be back but they never came back. My geyser has been leaking for months and I have been paying for water and electricity I'm not using and they don't even care. If they mind wasting water and energy I do, I work hard for my money wasting it like this is not right. Most important of all they wasting my water when the government is saying save water. They have been not stuck to our agreed contact someone need to do something about this.