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Counties → Vermont

Chittenden County, Vermont

SDWIS compliance plate

Sheet VT007 · Chittenden County 96 sys · 8,045 viol · #423/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-LOW · SRC-GW · SYS-MID · BOOK-FULL

  • VIOL-SEVERE 89.6% flagged
  • HEALTH-LOW 15.9% health
  • RANK-TOP #423/3254
  • PHOTO-FINISH ±0.5 pp
  • PFAS-LOW 10.0% detect
  • SRC-GW GW lead 73%
  • SYS-MID 96 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Windsor County ( -0.5 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Chittenden County ranks #423 of 3,254 counties by people served, and #1 of 14 counties in Vermont. See methodology · corpus placement.

Chittenden County standing, lower-flagged corpus third

Flagged-system rate 89.6% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 15.9% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 10.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #423 of 3,254 · #1 of 14 in Vermont.

Flagged-rate neighbourhood around Chittenden County

Lowest/highest poles plus in-state counties nearest Chittenden County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Franklin · lowest Chittenden · this county Grand Isle · near 89% 89.1% 89.6% 92.1% 92.3% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Burlington Dept Public Works Water Div 42,000 13 Clean
South Burlington City Water System 19,500 2 Clean
Colchester Water System 11,299 2 -
Essex Town Water System 9,734 2 Clean
Essex Jct Water Dept 9,500 2 Clean
Winooski Water Dept 8,500 2 Clean
Colchester Fire District 2 8,300 46 Detected
Milton Water Dept 8,000 12 Clean
Williston Water Dept 7,259 2 Clean
Shelburne Water Dept 5,764 2 Clean
Hinesburg Water Dept 2,800 253 -
Village of Jericho Water System 1,410 9 -
Richmond Water Dept 1,048 50 Clean
Bolton Community Water System 1,030 438 -
Jericho Underhill Water 825 48 -
Westbury Park 663 26 -
Williston Sb Rest Area I89 661 37 -
Hillcrest MHP Inc 615 83 -
Charlotte Central School 550 906 -
Malletts Bay Water Co 533 8 -
Sand Bar State Park 528 0 -
Wake Robin Corp 519 38 -
St George Community Cooperative 420 116 -
Westford Elementary School 394 55 -
Riverview Commons 388 129 -
Point Bay Marina 305 216 -
North Ave Co-Op 301 69 -
Jericho East Home Owners Association 300 162 -
Camp Dudley at Kiniya 273 28 -
Milton Mobile Home Park 260 49 -
Williston Golf Club 250 18 -
Fernwood Manor MHP 250 180 -
South Burlington Fire District 250 65 -
Shelburne Farms 235 154 -
North Harbor 225 80 -
Brewster Pierce School 217 142 -
Camp Precast 213 110 -
Williston Fire District 1 212 14 -
Lyman Meadows 212 111 -
Cedar Knoll Country Club 210 0 -
Thompsons Point Association 204 153 -
Good Shepherd Lutheran Church 204 24 -
Mount Philo State Park 200 32 -
Windemere MHP 199 19 -
Jericho Fire District 1 190 85 -
Smilie Memorial Elementary School 170 48 -
Northernshire 166 408 -
Underhill Central School 165 158 -
Sleepy Hollow Ski and Bike Center 150 42 -
Mansfield Barn 134 0 -

Compare beyond Vermont

Lower-flagged peers for Chittenden County

Cross-state counties nearest Chittenden County on flagged-system share (89.6%) and cumulative violation count (8,045). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.