WaterVerge

Is Wallingford, VT Tap Water Safe to Drink?

Graded C+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

1K residents served 2 water systems PWSID: VT0005242
Overall Score
66.9 / 100
Violations
20 active
Last Updated
May 2026
Source
Groundwater
#74 of 105 in Vermont Top 72% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C+GRADE
Water Quality Grade
66.9/100
waterverge.com
C+ 66.9/100

Wallingford, VT — Water Quality Report

Wallingford's drinking water received a grade of C+ (66.9 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 1,019 residents using groundwater.

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 179 violations on record, including 5 health-based violations. 20 remain unresolved.

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

What to know about Wallingford's water

Wallingford ranks #74 out of 105 cities in Vermont for water quality, placing it below average in the state.

Wallingford 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, Wallingford may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 26 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
66.9 out of 100 Grade C+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
20.9/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Wallingford, VT water safe to drink?

Concerns Identified

Wallingford's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (66.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,019 residents using groundwater (wells).

20
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Wallingford

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Wallingford's water quality assessment. Grade: C+ (66.9/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

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
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.67 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Wallingford's water system has 179 total violations on record, including 5 health-based violations. 20 remain unresolved. 26 violations were issued in the last 5 years.

OtherMRMCLTT
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Jul 2024 Consumer Confidence Rule Open
Jul 2023 Consumer Confidence Rule Open
Apr 2022 1,2,4-Trichlorobenzene Resolved
Apr 2022 cis-1,2-Dichloroethylene Resolved

Flood & environmental risk

Rutland County has experienced 10 federally declared disasters since 1973. 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 Otter Creek.

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

Where does Wallingford's water come from?

Wallingford's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,019 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Otter Creek (river).

What Wallingford residents can do

Install a water filter

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

Wallingford'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
2.67 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

179
Total violations
5
Health-based
20
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

179 Total
20 Active
5 Health-based
159 Resolved
2 SNC
Violations by category
Volatile Organic Chemicals
63
Inorganic Chemicals
41
Total Coliform Rule
32
Consumer Confidence Rule
12
Nitrate Rule
8
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Oct 2010 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Oct 2008 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2007 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jan 1997 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1992 Active
Surface Water Treatment Rule
Treatment Technique
Health-Based Health 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Showing 20 of 179 violations
Industrial pollution

Top industrial polluters within 10 miles of Wallingford

Industrial polluters nearby

Reported releases to surface water by facilities near Wallingford, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
GE AEROSPACE PLANT 1
Transportation Equipment · GENERAL ELECTRIC CO (GE CO)
RUTLAND, VT05701
9.4 mi
QUESTECH CORP
Plastics and Rubber · NA
RUTLAND, VT05701
8.5 mi
ISOVOLTA/U.S. SAMICA
Electrical Equipment · ISOVOLTA INC
RUTLAND, VT05701
7.1 mi
KALOW TECHNOLOGIES
Fabricated Metals · RED DEER CAPITAL LLC
RUTLAND, VT05701
7.8 mi
GE AEROSPACE PLANT 2
Transportation Equipment · GENERAL ELECTRIC CO (GE CO)
NORTH CLARENDON, VT05759
7.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

10
Declared disasters
Jul 2023
Most recent
Flood
Most common type

Rutland County has experienced 10 federally declared disasters since 1973. 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 2019
SEVERE STORMS AND FLOODING
Flood FEMA #4445
Aug 2013
SEVERE STORMS AND FLOODING
Flood FEMA #4140
Sep 2011
TROPICAL STORM IRENE
Hurricane FEMA #4022

Recommended water filters

Based on contaminants detected in Wallingford's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 2.67 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.0 ppb from 1993 (0.0 ppb) to 2025 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 2.670 mg/L (1993)

EPA action level: 1.3 mg/L

Contaminant Rankings

See how Wallingford compares by contaminant

Explore where Wallingford ranks among all Vermont cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,019
Water Systems
2
Water Source

Where Wallingford's water comes from

Groundwater

Wallingford'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 1,019 people through 2 water systems.

Local Hydrology

Water bodies near Wallingford

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

Otter Creek
river
Infrastructure

Water systems serving Wallingford

System Name PWSID Population Source
WALLINGFORD FIRE DISTRICT 1 VT0005242 956 GW
SOUTH WALLINGFORD WATER CO VT0005243 63 GW
Regional Comparison

How Wallingford compares

Full Vermont rankings →

Wallingford's score of 66.9/100 is below the average of 77/100 among major Vermont cities. It outscores 3 of 10 nearby cities. 7 of 10 nearby cities score higher.

Wallingford (this city)
66.9
Burlington
84.6
Colchester
63.4
Essex
95
Vermont avg
77
City Profile

About Wallingford, VT

Economic Profile
$77,813
Median Income
$246,320
Median Home Value
$972/mo
Median Rent
13%
Unemployment
Community
38.8
Median Age
23
People / sq mi
32.9%
College Educated
77.6%
Homeownership
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Frequently asked questions

Is Wallingford, VT tap water safe to drink?

Wallingford's water quality earned a grade of C+ (66.9/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #74 out of 105 cities tested in Vermont.

What contaminants are in Wallingford's water?

Lead was measured at 0.0 ppb (90th percentile). 179 violations are on record.

How is Wallingford'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 Wallingford?

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

Where does Wallingford's water come from?

Wallingford's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,019 residents.

What health violations has Wallingford's water system had?

Wallingford has 5 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. 20 violations remain unresolved.

Is Wallingford's groundwater at risk of contamination?

Wallingford 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 179 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 Wallingford's water compare to other cities?

Wallingford ranks #74 out of 105 cities in Vermont (better than 30% of state cities) and #11313 out of 15744 cities nationally (28th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.