WaterVerge

Is Addison (V), NY Tap Water Safe to Drink?

Graded A-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: NY5001203
Overall Score
85 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#455 of 855 in New York Top 36% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85/100
waterverge.com
A- 85/100

Addison (V), NY — Water Quality Report

Addison (V)'s drinking water received a grade of A- (85 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,850 residents using groundwater.

Lead levels were measured at 3.5 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 12 violations on record, including 0 health-based violations. 4 remain unresolved.

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

What to know about Addison (V)'s water

Addison (V) ranks #455 out of 855 cities in New York for water quality, placing it below average in the state.

Addison (V) 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, Addison (V) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
85 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 3.5 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 Addison (V), NY water safe to drink?

Concerns Identified

Addison (V)'s drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,850 residents using groundwater (wells).

4
Active Violations
3.5 ppb
Lead (90th %ile)
9 events
Disaster History

Recent water quality updates for Addison (V)

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Addison (V)'s water quality assessment. Grade: A- (85/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
REMNANTS OF TROPICAL STORM FRED

Federal disaster declaration (FEMA DR-4625). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE SANDY

Federal disaster declaration (FEMA DR-3351). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Addison (V)'s water supply.

Lead Within Limits
Detected: 3.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Addison (V)'s water system has 12 total violations on record, including 0 health-based violations. 4 remain unresolved. 3 violations were issued in the last 5 years.

MONMROther
Most recent violations:
Nov 2025 Revised Total Coliform Rule Resolved
Oct 2025 Lead and Copper Rule Open
Feb 2024 Revised Total Coliform Rule Resolved
Jan 2016 Total Haloacetic Acids (HAA5) Resolved
Jan 2016 TTHM Resolved

Flood & environmental risk

Steuben County has experienced 9 federally declared disasters since 1972. 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 Cowanesque River At Elkland, Cowanesque Lake At Lawrenceville, Cowanesque River Near Lawrenceville, Tioga River, Tuscarora Creek Above South Addison.

REMNANTS OF TROPICAL STORM FRED
Hurricane FEMA DR-4625
HURRICANE SANDY
Hurricane FEMA DR-3351
SEVERE STORMS, FLOODING, TORNADOES, AND STRAIGHT-LINE WINDS
Flood FEMA DR-1993

Where does Addison (V)'s water come from?

Addison (V)'s drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,850 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Cowanesque River At Elkland (river), Cowanesque Lake At Lawrenceville (lake), Cowanesque River Near Lawrenceville (river), Tioga River (river), Tuscarora Creek Above South Addison (river).

What Addison (V) residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Addison (V)'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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Addison (V)'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
3.5 ppb
EPA Action Level: 15 ppb · 24% of limit
Safe Level
Compliance Record

Violation summary

12
Total violations
0
Health-based
4
Active / unresolved
Nov 2025
Most recent violation
Compliance Record

Violations & advisories

12 Total
4 Active
0 Health-based
8 Resolved
2 SNC
Violations by category
Lead and Copper Rule
3
Revised Total Coliform Rule
2
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Miscellaneous Other Rules
2
Total Coliform Rule
1
Oct 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2008 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Nov 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2025
Feb 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Feb 2024
Jan 2016 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2016
Jan 2016 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2016
Feb 1999 Resolved
Miscellaneous Other Rules
Other Violation Resolved Feb 1999
Jul 1996 Resolved
Miscellaneous Other Rules
Other Violation Resolved Jul 1996
Jul 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1996
Jan 1993 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1993
Environmental Risk

Flood & disaster history

9
Declared disasters
Oct 2021
Most recent
Flood
Most common type

Steuben County has experienced 9 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2021
REMNANTS OF TROPICAL STORM FRED
Hurricane FEMA #4625
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Jun 2011
SEVERE STORMS, FLOODING, TORNADOES, AND STRAIGHT-LINE WINDS
Flood FEMA #1993
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262
Jan 1996
SEVERE STORMS AND FLOODING
Flood FEMA #1095
Sep 1984
SEVERE STORMS & FLOODING
Flood FEMA #725

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.5 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 4.5 ppb from 1994 (8.0 ppb) to 2025 (3.5 ppb).
Contaminant Rankings

See how Addison (V) compares by contaminant

Explore where Addison (V) ranks among all New York cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,850
Water Systems
1
Water Source

Where Addison (V)'s water comes from

Groundwater

Addison (V)'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 1,850 people through 1 water system.

Local Hydrology

Water bodies near Addison (V)

Addison (V) is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Cowanesque River At Elkland
river
Cowanesque Lake At Lawrenceville
lake
Cowanesque River Near Lawrenceville
river
Tioga River
river
Tuscarora Creek Above South Addison
river
Infrastructure

Water systems serving Addison (V)

System Name PWSID Population Source
ADDISON VILLAGE NY5001203 1,850 GW
Regional Comparison

How Addison (V) compares

Full New York rankings →

Addison (V)'s score of 85/100 is above the average of 74/100 among major New York cities. It outscores 8 of 10 nearby cities.

Addison (V) (this city)
85
New York avg
74
City Profile

About Addison (V), NY

Wikipedia →

Addison is a town in Steuben County, New York. The population was 2,397 at the 2020 census. The name was selected to honor the author Joseph Addison. An interior town in the southeastern part of the county, the town includes a village, also called Addison.

Economic Profile
$54,844
Median Income
$98,262
Median Home Value
$763/mo
Median Rent
5.6%
Unemployment
Community
36.7
Median Age
39
People / sq mi
16.4%
College Educated
72.2%
Homeownership
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Frequently asked questions

Is Addison (V), NY tap water safe to drink?

Addison (V)'s water quality earned a grade of A- (85/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #455 out of 855 cities tested in New York.

What contaminants are in Addison (V)'s water?

Lead was measured at 3.5 ppb (90th percentile). 12 violations are on record.

How is Addison (V)'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 Addison (V)?

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

Where does Addison (V)'s water come from?

Addison (V)'s water is sourced from Groundwater. The city has 1 water system serving approximately 1,850 residents.

Is Addison (V)'s groundwater at risk of contamination?

Addison (V) 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 12 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 Addison (V)'s water compare to other cities?

Addison (V) ranks #455 out of 855 cities in New York (better than 47% of state cities) and #5575 out of 15744 cities nationally (65th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Addison (V)'s small water system affect quality?

Addison (V)'s system serves approximately 1,850 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 12 violations on record.