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Community Water System · PWS VT0020614

Grand Isle Consolidated Water District

Operator location Grand Isle, Vermont - 30% of 188 violations are health-based (upper-third health share (> 23%)); surface water source; 1,600 served per SDWIS.

1,600
People served (this PWS) Middle third of systems
188
EPA violations (this PWS) Upper third of systems
57
Health-based (this PWS) Upper third by health-based share
Untested
UCMR5 (this PWS) No UCMR5 result
Follow published updates (RSS)

Grand Isle Consolidated Water District standing, high SDWIS violation third

30% of 188 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 30% is upper-third health share (> 23%). Population rank #15,404 of 29,740 among systems serving 500+.

The verdict

Grand Isle Consolidated Water District sits in the upper third of the sitemap cohort by violation count (188), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,600 (mid served population (≤ 3,309)). Health-based share is 30% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.

#15,404 of 29,740
Population · /systems
#66 of 185
Population · VT
188
Total EPA violations on record
30%
Health-based (MCL / treatment failure)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

F
Water Safety Score
5/100
Grand Isle Consolidated Water District

Based on EPA SDWIS violation history and UCMR5 PFAS testing only, not water taste, odor, infrastructure age, or contaminants outside the federally tracked set.

Health-based violations F
57
EPA SDWIS health-based violations on record (MCL, MRDL, treatment technique)
Monitoring & reporting violations F
131
Non-health SDWIS violations (monitoring, reporting, and other compliance)
PFAS contamination N/A
Not UCMR5-tested
Highest PFAS compound level detected in UCMR5 testing

System Details

System Type
Community
Owner Type
Local
Connections
730
County
Grand Isle
School/Daycare
No
MCL Violations
57
Monitoring Violations
128
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 57 2012
1,2,4-Trichlorobenzene MR 4 2000
1,2-Dichloroethane MR 4 2000
1,1,1-Trichloroethane MR 4 2000
Carbon tetrachloride MR 4 2000
1,2-Dichloropropane MR 4 2000
Trichloroethylene MR 4 2000
1,1,2-Trichloroethane MR 4 2000
Benzene MR 4 2000
Toluene MR 4 2000
cis-1,2-Dichloroethylene MR 4 2000
Arsenic MR 4 2000
Barium MR 4 2000
Cadmium MR 4 2000
Chromium MR 4 2000
Antimony, Total MR 4 2000
Beryllium, Total MR 4 2000
Thallium, Total MR 4 2000
Selenium MR 4 2000
DICHLOROMETHANE MR 4 2000
1,1-Dichloroethylene MR 4 2000
trans-1,2-Dichloroethylene MR 4 2000
Nickel MR 4 2000
p-Dichlorobenzene MR 4 2000
Tetrachloroethylene MR 4 2000
Ethylbenzene MR 4 2000
Xylenes, Total MR 4 2000
Coliform (TCR) MR 4 2006
Vinyl chloride MR 4 2000
Styrene MR 4 2000

Violation Count vs. the National Corpus

Grand Isle Consolidated Water District has 188 recorded EPA violations, 84% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 16% carry more. 30% of this system's own violations are health-based (57 of 188), and it ranks #15,404 of 29,740 by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

188 Higher than most more violations than 84% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

How many violations vs. how serious, among peer systems

Grand Isle Consolidated Water District plotted against 29 peer public water systems (500+ people served), by total violation count (x) and the share of those violations that are health-based (y). The crosshair sits at this sample's own median on each axis. A high violation count does not automatically mean a serious record: most monitoring and reporting violations are minor, not health-based.

Violation volume vs. health-based share

30 public water systems (500+ people served), EPA SDWIS current release. 2×2 strategic matrix plotting 30 entities by Total violations (X) and Health-based share (Y), with a crosshair dividing the plot into four quadrants. Frequent and seriousRare but seriousFrequent, mostly paperworkClean record 0200400600 0%20%40%60%80%100% Total violations Health-based share Violation volume vs. health-based share Miccosukee Service Plaza-0, 0%Brazoria - Fort Bend Counties MUD 3-0, 0%Tanglewilde Thompson Place 600-2, 0%Center Water Co-5, 0%Montgomery Co RWD 12-7, 29%Spring Mills Elem School/Hvs-9, 0%Irvin Water District #6-11, 27%Great Bend Industrial Park-14, 0%Nooksack Valley Water Association-16, 31%Glen Park Village-19, 0%Camp Is-Sho-Da-22, 0%Kipling Oaks 1-25, 16%McLouth, City Of-29, 17%Hamilton-33, 0%Pine Valley Plantation-37, 24%Lake Gibson Estates-42, 2%Ticonderoga WD-47, 26%Town of Welaka-54, 0%Township of Blairstown Dpw-61, 0%McIntosh Water & Fire Pro Authority-71, 0%Sunset Ridge Water District-82, 15%South Deerfield Water Supply District-96, 16%Clarkdale Municipal Water System-114, 0%Orange Water Dept-136, 14%Mount Pleasant Water Sys #1-167, 11%Benson Culinary Improvement District-212, 1%Eureka Water Association-273, 0%City of Ballinger-372, 85%Conemaugh Twp Muni Auth-567, 1%Grand Isle Consolidated Water District-188, 30%
30 public water systems (500+ people served), EPA SDWIS current release.

Health-based violations on Grand Isle Consolidated Water District

57 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for VT0020614.

EPA SDWIS · PWS VT0020614

Sources: EPA SDWIS

Nationwide peers

188 violations · 1,600 served: nearest cross-state SDWIS matches.

Cross-state systems with comparable violation load

Nearest cross-state community systems (500+ served) by total SDWIS violations on record.

4 peers

Cross-state systems near this population served

Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).

4 peers

What to do with Grand Isle Consolidated Water District

Use this system's EPA-reported record as a starting filter, not a final verdict.

  • See how every tracked system in Vermont compares on the same EPA violation measures. Vermont systems
  • Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
  • Find and compare another public water system by name or PWSID. Search systems

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.