Ala. Admin. Code r. 770-X-8-.17
(2) Before being installed for the use of any customer, every water meter whether new, repaired or removed from service for any cause shall be adjusted to register within the limits set forth in the following table:
| Accurate Limits in Percentages | ||||
| Meter Type | Maximum Rate | Intermediate Rate | Minimum Rate | |
| New | Repaired | |||
| Displacement | 98.5/101.5 | 98.5/101.5 | 95/101.5 | 90/101.5 |
| Current | 97/102 | None | 95/102 | 90/102 |
| Compound* | 97/103 | 97/103 | 95/103 | 90/103 |
*The minimum required accuracy for compound meters at any rate within the “changeover” range of flows shall be 85%.
(3) Periodic Meter Tests
(a) Unless otherwise authorized by the Commission, a representative sample of 10% of all meters in service shall be periodically inspected and tested by the utility at intervals not exceeding the following schedule:
| Size of Meters | Maximum Interval Between Tests |
| 5/8 inch | 10 years |
| 3/4 inch | 8 years |
| 1 inch | 6 years |
| 1 1/2 inch | 4 years |
| 2 inch | 4 years |
| 3 inch | 3 years |
| 4 inch | 2 years |
| 6 inch | 1 year |
Author: Alabama Public Service Commission
Statutory Authority: Code of Ala. 1975, §§37-1-32, 37-1-53.
History: Effective October 1988. Filed with LRS February 5, 2013. Filed for Codification in the Alabama Administrative Code by the Alabama Public Service Commission on February 5, 2013, pursuant to Code of Ala. 1975, §41-22-7.