WaterVerge

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

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

2K residents served 4 water systems PWSID: NY4911740
Overall Score
83.9 / 100
Violations
4 active
Last Updated
May 2026
Source
Purchased surface water
#479 of 855 in New York Top 39% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.9/100
waterverge.com
B+ 83.9/100

Waterloo (T), NY — Water Quality Report

Waterloo (T)'s drinking water received a grade of B+ (83.9 out of 100), indicating good water quality. The city's 4 water systems serve approximately 2,080 residents using purchased surface water.

Lead levels were measured at 8.3 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 37 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 Waterloo (T)'s water

Waterloo (T) ranks #479 out of 855 cities in New York for water quality, placing it below average 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.

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.

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

Quality Breakdown

Water quality score

See methodology →
83.9 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
38.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 8.3 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

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

Concerns Identified

Waterloo (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 2,080 residents using surface water (rivers, lakes, or reservoirs).

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

Recent water quality updates for Waterloo (T)

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Waterloo (T)'s water quality assessment. Grade: B+ (83.9/100).

Violation
6 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
3 drinking water violations recorded

Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE STORMS AND FLOODING

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

Violation
3 drinking water violations recorded

Contaminants: Consumer Confidence Rule.

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 Waterloo (T)'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.

Violation history

Waterloo (T)'s water system has 37 total violations on record, including 0 health-based violations. 4 remain unresolved.

MRMONOther
Most recent violations:
Jan 2020 TTHM Resolved
Jan 2020 Total Haloacetic Acids (HAA5) Resolved
Jan 2020 TTHM Resolved
Jan 2020 Total Haloacetic Acids (HAA5) Resolved
Jan 2020 TTHM 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 (T)'s water come from?

Waterloo (T)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 4 water systems serving approximately 2,080 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 (T) residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Waterloo (T)'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 (T)'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
Compliance Record

Violation summary

37
Total violations
0
Health-based
4
Active / unresolved
Jan 2020
Most recent violation
Compliance Record

Violations & advisories

37 Total
4 Active
0 Health-based
33 Resolved
12 SNC
Violations by category
Miscellaneous Other Rules
14
Stage 2 Disinfectants and Disinfection Byproducts Rule
12
Total Coliform Rule
4
Revised Total Coliform Rule
3
Consumer Confidence Rule
3
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2020 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2020
Dec 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2018
Dec 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2018
Dec 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2018
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
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
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 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2010
Showing 20 of 37 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 (T)'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 →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 8.3 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 increased by 91.4 ppb from 1993 (0.0 ppb) to 2025 (91.4 ppb).
Contaminant Rankings

See how Waterloo (T) compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
2,080
Water Systems
4
Source breakdown
Purchased Surface Water
3
Unknown
1
Water Source

Where Waterloo (T)'s water comes from

Purchased Surface Water

Waterloo (T)'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 2,080 people through 4 water systems.

Local Hydrology

Water bodies near Waterloo (T)

Waterloo (T) 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 (T)

System Name PWSID Population Source
BORDER CITY WATER DISTRICT NY4911740 1,600 SWP
TOWN OF WATERLOO WATER DISTRICT NY4940015 250 SWP
BURGESS ROAD WATER DISTRICT NY4925000 200 SWP
SOUTH PRE-EMPTION WATER DISTRICT NY4998097 30
Regional Comparison

How Waterloo (T) compares

Full New York rankings →

Waterloo (T)'s score of 83.9/100 is above the average of 74/100 among major New York cities. It outscores 7 of 10 nearby cities.

Waterloo (T) (this city)
83.9
New York avg
74
City Profile

About Waterloo (T), NY

Wikipedia →

Waterloo is a town in Seneca County, New York, United States. The population was 7,378 at the 2020 census. The town and its major community are named after Waterloo, Belgium, where Napoleon was defeated.

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Frequently asked questions

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

Waterloo (T)'s water quality earned a grade of B+ (83.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #479 out of 855 cities tested in New York.

What contaminants are in Waterloo (T)'s water?

Lead was measured at 8.3 ppb (90th percentile). 37 violations are on record.

How is Waterloo (T)'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 (T)?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Waterloo (T)'s water come from?

Waterloo (T)'s water is sourced from Purchased surface water. The city has 4 water systems serving approximately 2,080 residents.

How does Waterloo (T)'s water compare to other cities?

Waterloo (T) ranks #479 out of 855 cities in New York (better than 44% of state cities) and #6185 out of 15744 cities nationally (61th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.