| Public water system | Population served |
|---|---|
| BURLINGTON DEPT PUBLIC WORKS WATER DIV | 42,000 |
| SOUTH BURLINGTON CITY WATER SYSTEM | 19,500 |
| RUTLAND CITY WATER DEPT | 18,500 |
| BARRE CITY WATER SYSTEM | 14,000 |
| BENNINGTON WATER DEPT | 13,250 |
| BRATTLEBORO WATER DEPT | 12,200 |
| COLCHESTER WATER SYSTEM | 11,299 |
| ST ALBANS WATER DEPT | 10,200 |
| SPRINGFIELD WATER DEPT | 9,800 |
| ESSEX TOWN WATER SYSTEM | 9,734 |
| ESSEX JCT WATER DEPT | 9,500 |
| MIDDLEBURY WATER DEPT | 9,379 |
| MONTPELIER WATER SYSTEM | 8,912 |
| WINOOSKI WATER DEPT | 8,500 |
| COLCHESTER FIRE DISTRICT 2 | 8,300 |
| MILTON WATER DEPT | 8,260 |
| HARTFORD WATER DEPT | 7,600 |
| WILLISTON WATER DEPT | 7,259 |
| WINHALL STRATTON F D 1 | 6,200 |
| EDWARD FARRAR UTILITY DISTRICT | 6,003 |
| SHELBURNE WATER DEPT | 5,764 |
| NORTHFIELD WATER DEPT | 5,145 |
| VERGENNES PANTON WATER DISTRICT | 5,100 |
| ST JOHNSBURY WATER SYSTEM | 5,000 |
| NEWPORT CITY WATER SYSTEM | 4,766 |
| MANCHESTER WATER DEPT | 4,140 |
| BELLOWS FALLS WATER DEPT | 4,000 |
| LYNDONVILLE WATER SYSTEM | 4,000 |
| SWANTON VILLAGE WATER | 4,000 |
| BRANDON FIRE DISTRICT 1 | 3,963 |
| TRI TOWN WATER DISTRICT | 3,800 |
| STOWE WATER DEPT | 3,600 |
Largest first by population served, as each employer reports it to its federal registry.
Source: U.S. Environmental Protection Agency, Safe Drinking Water Information System (SDWIS/Fed), community water systems. Data captured October 2, 2026.
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