Member Municipalities
Member Municipalities and Date of Entry Into System
| Bergenfield | 1960 | Moonachie | 1961 |
| Bogota | 1960 | New Milford | 1960 |
| Carlstadt | 1967 | Northvale | 1972 |
| Cliffside Park | 1951 | Norwood | 1972 |
| Closter | 1972 | Old Tappan | 1990 |
| Cresskill | 1957 | Oradell | 1960 |
| Demarest | 1972 | Palisades Park | 1951 |
| Dumont | 1965 | Paramus | 1960 |
| East Rutherford | 1970 | Park Ridge | 1968 |
| Edgewater | 2007 | Ridgefield | 1951 |
| Emerson | 1960 | Ridgefield Park | 1951 |
| Englewood | 1951 | River Edge | 1960 |
| Englewood Cliffs | 1957 | River Vale | 1972 |
| Fairview | 1951 | Rochelle Park | 1960 |
| Fort Lee | 1951 | Rutherford | 1990 |
| Hackensack | 1960 | South Hackensack | 1960 |
| Harrington Park | 1972 | Teaneck | 1951 |
| Hasbrouck Heights | 1967 | Tenafly | 1951 |
| Haworth | 1972 | Teterboro | 1960 |
| Hillsdale | 1967 | Washington Twsp | 1970 |
| Leonia | 1951 | Westwood | 1960 |
| Little Ferry | 1960 | Woodcliff Lake | 1968 |
| Maywood | 1960 | Wood-Ridge | 1992 |
| Montvale | 1970 |