WaterVerge

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

Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

7K residents served 2 water systems PWSID: NY4901199
Overall Score
87.2 / 100
Violations
3 active
Last Updated
May 2026
Source
Surface water
#368 of 855 in New York Top 27% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.2/100
waterverge.com
A- 87.2/100

Waterloo (V), NY — Water Quality Report

Waterloo (V)'s drinking water received a grade of A- (87.2 out of 100), indicating good water quality. The city's 2 water systems serve approximately 7,050 residents using surface water.

Lead levels were measured at 8.3 ppb (90th percentile), which is within EPA limits but above recommended levels. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 30 violations on record, including 1 health-based violation. 3 remain unresolved.

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

What to know about Waterloo (V)'s water

Waterloo (V) ranks #368 out of 855 cities in New York 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

Quality Breakdown

Water quality score

See methodology →
87.2 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.9/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 8.3 ppb (90th percentile).
Contaminants
18.2/20
A
1 PFAS compound detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Waterloo (V), NY water safe to drink?

Concerns Identified

Waterloo (V)'s drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 7,050 residents using surface water (rivers, lakes, or reservoirs).

3
Active Violations
8.3 ppb
Lead (90th %ile)
1 compound
PFAS Detected
4 events
Disaster History

Recent water quality updates for Waterloo (V)

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Waterloo (V)'s water quality assessment. Grade: A- (87.2/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Nickel.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4397). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Elevated
Detected: 8.3 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 13.1000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Waterloo (V)'s water system has 30 total violations on record, including 1 health-based violation. 3 remain unresolved. 2 violations were issued in the last 5 years.

MRMONMCL
Most recent violations:
Oct 2024 Lead and Copper Rule Open
Jan 2021 Nickel Resolved
Oct 2020 Lead and Copper Rule Open
Jun 2016 Revised Total Coliform Rule Resolved
Jan 2016 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Seneca County has experienced 4 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 Seneca River.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4397
HURRICANE SANDY
Hurricane FEMA DR-3351
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3262

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

Waterloo (V)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 7,050 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Seneca River (river).

What Waterloo (V) residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Waterloo (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

Waterloo (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
8.3 ppb
EPA Action Level: 15 ppb · 55% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
13.1000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
13.1 µg/L
State screening level: 60 µg/L · 22% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

30
Total violations
1
Health-based
3
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

30 Total
3 Active
1 Health-based
27 Resolved
Violations by category
Volatile Organic Chemicals
20
Lead and Copper Rule
2
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Total Coliform Rule
2
Inorganic Chemicals
1
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2021 Resolved
Nickel
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jun 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2016
Jan 2016 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Jan 2016 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Jan 2015 Resolved
o-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
p-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
1,1,1-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
Trichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
1,1,2-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
Tetrachloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
CHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
Benzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
Ethylbenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
1,2-Dichloropropane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
Styrene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
1,2,4-Trichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
cis-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Showing 20 of 30 violations
Environmental Risk

Flood & disaster history

4
Declared disasters
Oct 2018
Most recent
Flood
Most common type

Seneca County has experienced 4 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2018
SEVERE STORMS AND FLOODING
Flood FEMA #4397
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262
Jun 1972
TROPICAL STORM AGNES
Flood FEMA #338

Recommended water filters

Based on contaminants detected in Waterloo (V)'s water supply, we recommend the following filter types.

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 8.3 ppb
Read our guide →
🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 8.3 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 13.100 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 4.4 ppb from 1992 (14.0 ppb) to 2025 (9.6 ppb).
Contaminant Rankings

See how Waterloo (V) compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
7,050
Water Systems
2
Source breakdown
Surface Water
1
Purchased Surface Water
1
Water Source

Where Waterloo (V)'s water comes from

Surface Water

Waterloo (V)'s drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

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 7,050 people through 2 water systems.

Local Hydrology

Water bodies near Waterloo (V)

Waterloo (V) is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Seneca River
river
Infrastructure

Water systems serving Waterloo (V)

System Name PWSID Population Source
WATERLOO VILLAGE NY4901199 7,000 SW
FAYETTE WATER DISTRICT #8 NY4998098 50 SWP
Regional Comparison

How Waterloo (V) compares

Full New York rankings →

Waterloo (V)'s score of 87.2/100 is above the average of 74/100 among major New York cities. It outscores 9 of 10 nearby cities.

Waterloo (V) (this city)
87.2
New York avg
74
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Frequently asked questions

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

Waterloo (V)'s water quality earned a grade of A- (87.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #368 out of 855 cities tested in New York.

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

Lead was measured at 8.3 ppb (90th percentile). 1 PFAS compound was detected. 30 violations are on record.

How is Waterloo (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 Waterloo (V)?

While lead levels are within EPA limits, a filter adds extra protection. PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

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

Waterloo (V)'s water is sourced from Surface water. The city has 2 water systems serving approximately 7,050 residents.

What health violations has Waterloo (V)'s water system had?

Waterloo (V) has 1 health-based violation on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

How does Waterloo (V)'s water compare to other cities?

Waterloo (V) ranks #368 out of 855 cities in New York (better than 57% of state cities) and #4191 out of 15744 cities nationally (73th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.