WaterVerge

Is Montgomery, VT Tap Water Safe to Drink?

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

530 residents served 1 water system PWSID: VT0005125
Overall Score
81.9 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#51 of 105 in Vermont Top 46% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
81.9/100
waterverge.com
B+ 81.9/100

Montgomery, VT — Water Quality Report

Montgomery's drinking water received a grade of B+ (81.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 530 residents using groundwater.

Lead levels were measured at 1.6 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 28 violations on record, including 6 health-based violations. 6 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Montgomery's water

Montgomery ranks #51 out of 105 cities in Vermont for water quality, placing it mid-range in the state.

Montgomery relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Montgomery may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
81.9 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
34.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.6 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Montgomery, VT water safe to drink?

Concerns Identified

Montgomery's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 530 residents using groundwater (wells).

6
Active Violations
1.6 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Montgomery

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Montgomery's water quality assessment. Grade: B+ (81.9/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4720). Flood event — may have impacted local water infrastructure.

Disaster
FLOODING

Federal disaster declaration (FEMA DR-3595). Flood event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Key contaminant findings

Based on the most recent EPA sampling data for Montgomery's water supply.

Lead Within Limits
Detected: 1.6 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Montgomery's water system has 28 total violations on record, including 6 health-based violations. 6 remain unresolved. 4 violations were issued in the last 5 years.

OtherTTMRMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Jan 2023 TTHM Resolved
Jan 2023 Total Haloacetic Acids (HAA5) Resolved
Oct 2018 Lead and Copper Rule Open

Flood & environmental risk

Franklin County has experienced 10 federally declared disasters since 1990. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Missisquoi River.

SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4720
FLOODING
Flood FEMA DR-3595
TROPICAL STORM HENRI
Hurricane FEMA DR-3567

Where does Montgomery's water come from?

Montgomery's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 530 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Missisquoi River (river).

What Montgomery residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Montgomery's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Montgomery's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.6 ppb
EPA Action Level: 15 ppb · 11% of limit
Safe Level
Compliance Record

Violation summary

28
Total violations
6
Health-based
6
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

28 Total
6 Active
6 Health-based
22 Resolved
Violations by category
Total Coliform Rule
13
Stage 1 Disinfectants and Disinfection Byproducts Rule
4
Consumer Confidence Rule
3
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Nitrate Rule
2
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2023 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2023 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Dec 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2012
Oct 2012 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2011
Oct 2011 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2011
Sep 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2011
Jul 2011 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2011
Jan 2010 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2010
Jan 2010 Resolved
CYANIDE
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2010
Mar 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2003
Sep 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2000
Sep 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2000
Apr 2000 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2000
Showing 20 of 28 violations
Environmental Risk

Flood & disaster history

10
Declared disasters
Jul 2023
Most recent
Flood
Most common type

Franklin County has experienced 10 federally declared disasters since 1990. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2023
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4720
Jul 2023
FLOODING
Flood FEMA #3595
Aug 2021
TROPICAL STORM HENRI
Hurricane FEMA #3567
Jun 2014
SEVERE STORMS AND FLOODING
Flood FEMA #4178
Sep 2011
TROPICAL STORM IRENE
Hurricane FEMA #4022
Aug 2011
HURRICANE IRENE
Hurricane FEMA #3338

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.6 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 6.4 ppb from 1993 (8.0 ppb) to 2025 (1.6 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
530
Water Systems
1
Water Source

Where Montgomery's water comes from

Groundwater

Montgomery's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 530 people through 1 water system.

Local Hydrology

Water bodies near Montgomery

Montgomery is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Missisquoi River
river
Infrastructure

Water systems serving Montgomery

System Name PWSID Population Source
MONTGOMERY WATER SYSTEM VT0005125 530 GW
Regional Comparison

How Montgomery compares

Full Vermont rankings →

Montgomery's score of 81.9/100 is on par with the average of 77/100 among major Vermont cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Montgomery (this city)
81.9
Burlington
84.6
Colchester
63.4
Essex
95
Vermont avg
77
City Profile

About Montgomery, VT

Economic Profile
$43,182
Median Income
$246,637
Median Home Value
$863/mo
Median Rent
16.7%
Unemployment
Community
44.8
Median Age
7
People / sq mi
41.8%
College Educated
79.6%
Homeownership
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Frequently asked questions

Is Montgomery, VT tap water safe to drink?

Montgomery's water quality earned a grade of B+ (81.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #51 out of 105 cities tested in Vermont.

What contaminants are in Montgomery's water?

Lead was measured at 1.6 ppb (90th percentile). 28 violations are on record.

How is Montgomery'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 Montgomery?

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

Where does Montgomery's water come from?

Montgomery's water is sourced from Groundwater. The city has 1 water system serving approximately 530 residents.

What health violations has Montgomery's water system had?

Montgomery has 6 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

Is Montgomery's groundwater at risk of contamination?

Montgomery uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 28 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Montgomery's water compare to other cities?

Montgomery ranks #51 out of 105 cities in Vermont (better than 51% of state cities) and #7274 out of 15744 cities nationally (54th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Montgomery's small water system affect quality?

Montgomery's system serves approximately 530 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 28 violations on record.