Why do manhole covers seem to sink every winter?
Manholes and their covers typically stay in the same place throughout the year. The frost action on the pavement causes the pavement to rise due to expansion of water in the soil below, which often looks as though the manhole cover is sinking.

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1. Who is responsible for the curb stop on my service line and what is the Utility Services Warranty Program?
2. What causes rusty water, and who do I call if it occurs at my home?
3. What causes a watermain to break?
4. What causes sewer backup, and who should I call if it happens at my home?
5. What should I do if I see water dripping from my water meter?
6. Who should I call if I suspect I have excess water usage?
7. What causes water to back up in the city's holding ponds during heavy rains?
8. How does the city know whether its lift stations are working or not?
9. How are pumping stations enabled to continue working during long-term power outages?
10. How is the city's recycling program set up?
11. Why does the city no longer collect yard waste?
12. How can the city collect two days worth of garbage in one day after holidays? Why doesn't the city do it that way all the time to save money?
13. Why does the city have its streets swept so often?
14. How often are streets seal coated?
15. Why do manhole covers seem to sink every winter?
16. How can I apply to use a fire hydrant meter for construction