County · Vermont
Chittenden County, Vermont: drinking water records
This overview covers 18 ZIP codes and 45 community water systems in Chittenden County. It also stands in for 1 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Burlington Dept Public Works Water Div VT0005053 | 42,000 | 120 | 0 | 0 | 1.4 ppb |
| South Burlington City Water System VT0005091 | 19,500 | 120 | 0 | 0 | 11 ppb |
| Essex Town Water System VT0005065 | 9,734 | 120 | 0 | 0 | 0 ppb |
| Essex Jct Water Dept VT0005066 | 9,500 | 120 | 0 | 0 | 11 ppb |
| Winooski Water Dept VT0005102 | 8,500 | 120 | 0 | 0 | 0.4 ppb |
| Colchester Fire District 2 VT0005059 | 8,300 | 120 | 1 | 0 | 0 ppb |
| Milton Water Dept VT0005079 | 8,260 | 120 | 0 | 0 | 0 ppb |
| Williston Water Dept VT0005098 | 7,259 | 120 | 0 | 0 | 1.2 ppb |
| Shelburne Water Dept VT0005087 | 5,764 | 120 | 0 | 0 | 0 ppb |
| Richmond Water Dept VT0005084 | 1,048 | 60 | 0 | 0 | 3.3 ppb |
| Huntington Fire District 1 VT0005076 | 120 | 0 | 0 | 3 | 3 ppb |
| Country Club Condominium VT0005640 | 80 | 0 | 0 | 2 | 0 ppb |
| Colchester Water System VT0021810 | 11,299 | 0 | 0 | 0 | 0 ppb |
| Hinesburg Water Dept VT0005070 | 2,800 | 0 | 0 | 0 | 1.7 ppb |
| Village of Jericho Water System VT0005077 | 1,410 | 0 | 0 | 0 | 0.3 ppb |
| Bolton Community Water System VT0005051 | 1,030 | 0 | 0 | 0 | 4.8 ppb |
| Jericho Underhill Water VT0005096 | 825 | 0 | 0 | 0 | 0 ppb |
| Hillcrest MHP INC VT0005057 | 615 | 0 | 0 | 0 | 0 ppb |
| Malletts Bay Water Co VT0020333 | 533 | 0 | 0 | 0 | 0 ppb |
| Wake Robin Corp VT0020449 | 519 | 0 | 0 | 0 | 0 ppb |
| St George Community Cooperative VT0005095 | 420 | 0 | 0 | 0 | 4.2 ppb |
| Jericho East Home Owners Association VT0005652 | 300 | 0 | 0 | 0 | 0 ppb |
| Fernwood Manor MHP VT0005052 | 250 | 0 | 0 | 0 | 0 ppb |
| South Burlington Fire District VT0005090 | 250 | 0 | 0 | 0 | 0 ppb |
| Shelburne Farms VT0005602 | 235 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Chittenden County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 05439.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.