If something happens at 2am on a Saturday:

Call 911 for emergencies. Call (734) 994-2911 for the Police non-emergency line.

Water

The water dept. has an after-hours emergency number if you think any water back-ups are systemic, water is across a street, have a water main break, or if waste water/sewage is coming into your house or neighborhood: 734-994-2840.

Noise

Call (734) 994-2911 for the Police non-emergency line.