N.H. Code Admin. R. Env-Dw 502.16
Current through Register No. 25, June 20, 2024
The department shall classify water distribution systems into one of 5 grades based on the population served, as specified in Table 502-4, below:
Table 502-4: Grades of Water Distribution System Complexity
Grade | Population Served (# people unless otherwise noted) | Other Limitations |
I-A | < 500 or < 200 service connections | CWS without fire protection |
I-A | Any number | NTNC without fire protection |
I | <= 1,500 | Excluding I-A systems |
II | 1,501 - 15,000 | None |
III | 15,001 - 50,000 | None |
IV | >= 50,001 | None |
N.H. Code Admin. R. Env-Dw 502.16
(See Revision Note at part heading for Env-Dw 502) #9410, eff 3-12-09 (formerly Env-Ws 367.11 )