Skip to main content
WaterVerge

Water quality report · updated Jul 2026

Is North Hero, VT Tap Water Safe to Drink?

Graded A-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do ↓

0 contaminants over a legal limit
0.0 ppb lead, 90th percentile · low
6 unresolved violations
3K people served by 1 water system

PWSID VT0020562 · moderate data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
A 86.4 / 100

#28 of 90Vermont cities
How we grade →

01The verdict: is North Hero water safe?

North Hero's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (86.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,750 residents using surface water (rivers, lakes, or reservoirs).

The concern

6 unresolved violations on record

EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.

See what was cited ↓
The good news

Lead is well under the limit

90th-percentile lead is 0.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

A flood-prone service area

7 federal disaster declarations on record. After severe weather, watch for boil-water advisories.

See the risk factors ↓

North Hero's drinking water received a grade of A- (86.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,750 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program. The system has 74 violations on record, including 36 health-based violations. 6 remain unresolved.

North Hero ranks #28 out of 90 cities in Vermont for water quality, placing it mid-range in the state. The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection. As a small community water system, North Hero may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

How the 86.4/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
37.4 / 45B
Lead & CopperLead at 0.0 ppb (90th percentile).
20 / 20A
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
8 / 10B
Source RiskWater source: Surface water.
4 / 5B

02What's in North Hero's water

Every contaminant flagged in North Hero, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

1 detection · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
1 contaminant tested under EPA SDWIS, LCR and UCMR programs · 1 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03North Hero's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 74 violations on record, including 36 health-based violations. 6 remain unresolved.

All ten of the last ten years were clean — no EPA violations recorded for North Hero.

UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into North Hero's water quality assessment. Grade: A- (86.4/100).
DisasterSEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDESFederal disaster declaration (FEMA DR-4720). Flood event — may have impacted local water infrastructure.
DisasterFLOODINGFederal disaster declaration (FEMA DR-3595). Flood event — may have impacted local water infrastructure.
Violation1 drinking water violation recordedContaminants: Consumer Confidence Rule.Open
Violation1 drinking water violation recorded1 health-based. Contaminants: Total Haloacetic Acids (HAA5).Resolved
Violation1 drinking water violation recorded1 health-based. Contaminants: Total Haloacetic Acids (HAA5).Resolved
Lead, 90th percentileppb · lower is better
0510152025EPA action level · 15 ppb1999 — 14 ppb2001 — 10 ppb2002 — 19 ppb2005 — 5 ppb2006 — 5 ppb2007 — 1 ppb2009 — 3 ppb2013 — 3 ppb2015 — 0 ppb2018 — 1.6 ppb2021 — 0 ppb2024 — 0 ppb14019992005200920182024

Down 14 ppb since 1999. Latest reading: 0 ppb (2024) — 0% of the action level. Sampled at higher-risk homes (90th percentile).

04Where North Hero's water comes from

North Hero's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Source

Surface Water

Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.

Treatment

Local treatment

Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.

Distribution

1 system

1 water system, operated under local government ownership.

Delivery

2,750 people

Residents served across North Hero's service area.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards. These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge. The system is operated by local government ownership and serves approximately 2,750 people through 1 water system.

System namePWSIDPopulationSource
NORTH HERO WATER SYSTEM VT0020562 2,750 Surface Water

Water bodies near North Hero

Little Chazy River · river Mill River · river Jewett Brook · river

As a surface-water system, these water bodies may directly influence North Hero's drinking water supply.

05Pressure on North Hero's watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Flood & storm history

Recurring — declared disasters

7 federal disaster declarations on record for Grand Isle County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES Jul 2023 · DR-4720
FLOODING Jul 2023 · DR-3595
TROPICAL STORM HENRI Aug 2021 · DR-3567

06How North Hero compares

Scores for nearby Vermont cities on one line, with the average marked.

Essex
95 · A+
Rutland City
91.8 · A
North Hero (this city)
86.4 · A-
Burlington
84.6 · B+
Bennington
44.9 · F

dashed line = Vermont average (84/100)

North Hero scores 86.4/100on par with the Vermont average of 84/100. It outscores 4 of 10 nearby cities. Full Vermont rankings →

Grand Isle water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in North Hero's water — not generic advice.

Extra protection

A basic carbon filter still helps

North Hero's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for North Hero alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is North Hero, VT tap water safe to drink?

North Hero's water quality earned a grade of A- (86.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #28 out of 90 cities tested in Vermont.

What contaminants are in North Hero's water?

Lead was measured at 0.0 ppb (90th percentile). 74 violations are on record.

How is North Hero's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in North Hero?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does North Hero's water come from?

North Hero's water is sourced from Surface water. The city has 1 water system serving approximately 2,750 residents.

What health violations has North Hero's water system had?

North Hero has 36 health-based violations on record. The most recent violation was recorded in July 2013. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

How does North Hero's water compare to other cities?

North Hero ranks #28 out of 90 cities in Vermont (better than 69% of state cities) and #4675 out of 15382 cities nationally (70th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does North Hero's small water system affect quality?

North Hero's system serves approximately 2,750 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 74 violations on record.

Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail
About North Hero, VT: North Hero is a town in and the shire town of Grand Isle County, Vermont, United States. The population was 939 at the 2020 census. Median household income $80,893 · median home value $358,466 · median age 59.6 · 98.3% homeowners · 43.7% college educated. Wikipedia → Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.