| Tyrrell Middle School | Wolcott, CT | 454 | 107 | - |
| Hebron Elementary School | Hebron, CT | 450 | 21 | - |
| Scwa, Hillcrest Division (Hlc) | Gales Ferry, CT | 450 | 11 | - |
| Bucks Rock Camp | New Milford, CT | 450 | 12 | - |
| Aquarion-Oxford Towne Center | Shelton, CT | 449 | 6 | - |
| Frisbie Elementary School | Wolcott, CT | 446 | 17 | - |
| Ctwc - Shoreline Region-Masons Island | Clinton, CT | 445 | 35 | - |
| Ctwc - Bay Mountain | Clinton, CT | 440 | 326 | - |
| Fairview Country Club | Greenwich, CT | 435 | 164 | - |
| Quassy Amusement Park | Woodbury, CT | 431 | 15 | - |
| John Read Middle School | Easton, CT | 430 | 101 | - |
| Sherman Elementary School | Sherman, CT | 430 | 79 | - |
| Vernon Village Inc. | Vernon, CT | 430 | 31 | - |
| Stafford Hollow Water Association | Stafford, CT | 429 | 43 | - |
| Farmingville Elementary School | Ridgefield, CT | 428 | 0 | - |
| Ctwc - Redwood Farms Division | Clinton, CT | 424 | 24 | - |
| Lebanon Middle School | Lebanon, CT | 415 | 245 | - |
| Aspetuck Valley Country Club-Clubhouse | Weston, CT | 415 | 10 | - |
| Lyman Memorial High School | Lebanon, CT | 412 | 122 | - |
| Middlebury Elementary School | Middlebury, CT | 412 | 90 | - |
| Bethlehem Elementary School/District 14 | Woodbury, CT | 406 | 63 | - |
| Aquarion-New Fairfield | Shelton, CT | 406 | 114 | - |
| Wells Road Intermediate School | Granby, CT | 405 | 126 | - |
| St Lukes School | New Canaan, CT | 405 | 248 | - |
| Whelen Engineering Co | Chester, CT | 400 | 33 | - |
| Nordan LLC | Danbury, CT | 400 | 14 | - |
| John Winthrop Junior High School | Deep River, CT | 400 | 20 | - |
| Camp Laurelwood | Madison, CT | 400 | 67 | - |
| Pomfret School | Pomfret, CT | 400 | 45 | - |
| Rumsey Hall School | Washington, CT | 398 | 108 | - |
| Aquarion-Meadowbrook | Shelton, CT | 396 | 51 | - |
| Stony Hill Village Condominium Assn | Danbury, CT | 392 | 456 | - |
| Aquarion-Arlington Acres | Shelton, CT | 392 | 88 | - |
| Gilead Hill School | Hebron, CT | 391 | 9 | - |
| Aqua Vista Assoc, Inc | Danbury, CT | 388 | 137 | - |
| Scwa, Robin Hill Division (Rbn) | Gales Ferry, CT | 388 | 6 | - |
| Antolini Elementary School | New Hartford, CT | 385 | 52 | - |
| 125-131 Bradley Road - Woodbridge | Woodbridge, CT | 385 | 1,147 | - |
| Andover Elementary School | Andover, CT | 381 | 71 | - |
| Church of Latter Day Saints | Cromwell, CT | 373 | 6 | - |
| The Masters School | West Simsbury, CT | 372 | 173 | - |
| Frederick Brewster School | Durham, CT | 370 | 33 | - |
| Scwa, Cedar Ridge Division | Gales Ferry, CT | 370 | 116 | - |
| Aquarion-North Mountain | Shelton, CT | 370 | 4 | - |
| Indian Well S.p./South Well | Portland, CT | 367 | 32 | - |
| East Hampton Wpca - Village Center | East Hampton, CT | 366 | 264 | - |
| Voluntown Elementary School | Voluntown, CT | 365 | 12 | - |
| Burr District Elementary School | Killingworth, CT | 364 | 381 | - |
| Barkhamsted Elementary School | Barkhamsted, CT | 360 | 26 | - |
| Turkey Hill of East Granby, LLC | East Granby, CT | 360 | 153 | - |