How many water violations are in Addison County?

Addison County has 8,234 total drinking water violations across 71 water systems, of which 723 are health-based violations. 95.8% of systems have at least one violation.

How many people get water from Addison County systems?

Water systems in Addison County serve approximately 32,619 people through 71 public water systems.

Has PFAS been detected in Addison County water?

Under EPA UCMR5, 0 of 3 tested systems in Addison County had at least one PFAS detection (0.0% of the UCMR5-tested subset - not of all 71 SDWIS systems).

What types of water sources supply Addison County?

Water systems in Addison County use GW (68 systems), SW (3 systems) as their primary water sources.

Are health-based violations serious?

Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 8.8% of Addison County's violations are health-based. Among counties with any SDWIS violations, this extract puts Addison County in the lower health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

Where does Addison County sit among U.S. counties for water-system population?

According to EPA SDWIS county population served used on /counties, Addison County ranks #1,293 of 3,254 counties by people served, and #8 of 14 counties in Vermont. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Vermont

Addison County, Vermont

Compiled by PlainWater · May 15, 2026

SDWIS compliance plate

Sheet VT001 · Addison County 71 sys · 8,234 viol · #1293/3254

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

VIOL-SEVERE 95.8% flagged
HEALTH-LOW 8.8% health
RANK-UPPER #1293/3254
PHOTO-FINISH ±0.5 pp
PFAS-CLEAN 0.0% detect
SRC-GW GW lead 96%
SYS-MID 71 systems
BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Addison County ranks #1,293 of 3,254 counties by people served, and #8 of 14 counties in Vermont. See methodology · corpus placement.

Addison County standing, mid-flagged corpus third

Flagged-system rate 95.8% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 8.8% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,293 of 3,254 · #8 of 14 in Vermont.

Water Systems

System Name	Population	Violations	PFAS
Middlebury Water Dept	9,379	23	Clean
Vergennes Panton Water District	5,100	331	Clean
Tri Town Water District	3,800	67	Clean
Bristol Water Dept	2,103	145	-
Branbury State Park	963	14	-
Kampersville Campground and Store	864	301	-
East Middlebury Fd 1	642	171	-
Long Point	530	82	-
Beeman Elementary School	489	93	-
Waterhouses Marina Campground	471	62	-
Basin Harbor Club	470	18	-
Victory Baptist Church	424	175	-
Middlebury College Breadloaf Campus	400	3	-
Dakin Farms	400	11	-
Monkton Central School	359	161	-
Starksboro Village Water Coop	350	173	-
Middlebury College Snowbowl	333	7	-
Keewaydin Camp	300	16	-
Rivers Bend Campground	288	72	-
Blueberry Hill Outdoor Center	218	0	-
Lazy Brook MHP	205	192	-
Sunray Peace Village	204	161	-
Bingham Memorial School	203	190	-
Songadeewin of Keewaydin	200	10	-
Salisbury School	200	716	-
Green Mountain Family Campground	194	45	-
Orwell Village School	189	124	-
Leicester Central School	176	355	-
Country Village Campground	166	36	-
Monkton Town Offices - Methodist Church	155	8	-
Camp Common Ground	154	36	-
Lincoln Community School	150	61	-
Killooleet Camp	138	15	-
Brookside MHP	135	572	-
Mount Independence State Historic Site	126	10	-
The Tillerman	124	47	-
Silver Towers Camp	120	58	-
Addison County Home Health and Hospice	115	717	-
Weybridge Elementary School	114	62	-
Ripton Elementary School	107	198	-
Camp Thorpe	95	49	-
Kampersville Campground - Looney Lane	88	35	-
Tourterelle Restaurant and Inn	87	68	-
Kingsland Bay State Park	80	30	-
Sunset Lodge	78	198	-
Starry Night Cafe	77	70	-
Moosalamoo Campground	76	38	-
Blueberry Hill Inn	74	0	-
Cameron Property	73	468	-
Point Counterpoint	66	46	-

Compare beyond Vermont

Mid-flagged peers for Addison County

Cross-state counties nearest Addison County on flagged-system share (95.8%) and cumulative violation count (8,234). 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

Compiled by PlainWater, Drinking Water Quality Editorial Process · May 15, 2026

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.