Do mechanical meters slow down or speed up over a lifespan?

Mechanical meters generally slow down over time causing the pinwheel revolution to move slower than its factory conditions, which results in the meter measuring less water. When this occurs, the meter becomes marginally less accurate and measures less water than is flowing through the meter. The City of Melissa has a meter replacement program to help ensure that water continues to be measured accurately over time. Mechanical meters cannot be manipulated.

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1. What type of water meter does the city use?
2. How does my meter work?
3. How can I check for a leak?
4. How can I test my meter for accuracy?
5. I've conducted my own bucket test and I still don't believe my meter is working properly. What are my options?
6. Do mechanical meters slow down or speed up over a lifespan?
7. What is Advanced Metering Infrastructure (AMI)?
8. How does the Advanced Metering Infrastructure (AMI) system work with my meter?
9. Is the Meter Transmission Unit (MTU) a meter?
10. How can I test my Meter Transmission Unit (MTU) for accuracy?
11. If the City had irrigation-specific water meters, would it help my sewer bill?
12. Will the City consider extending the leak adjustment application acceptance window to longer than within 30 days of the leak repair?
13. How are water rates established each year through the Water Rate Study?
14. What is a "take or pay" contract?
15. Why use a tiered rate structure?