WaterVerge

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

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

16K residents served 2 water systems PWSID: NY1800547
Overall Score
87.7 / 100
Violations
6 active
Last Updated
May 2026
Source
Purchased surface water
#342 of 855 in New York Top 25% nationally
Public/Private
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.7/100
waterverge.com
A- 87.7/100

Le Roy (T), NY — Water Quality Report

Le Roy (T)'s drinking water received a grade of A- (87.7 out of 100), indicating good water quality. The city's 2 water systems serve approximately 15,617 residents using purchased surface water.

Lead levels were measured at 2.9 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 20 violations on record, including 1 health-based violation. 6 remain unresolved.

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

What to know about Le Roy (T)'s water

Le Roy (T) ranks #342 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.

Hexavalent chromium (chromium-6) was detected at 0.10 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
87.7 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.6/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.9 ppb (90th percentile).
Contaminants
18.1/20
A
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Le Roy (T), NY water safe to drink?

Concerns Identified

Le Roy (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 15,617 residents using surface water (rivers, lakes, or reservoirs).

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

Recent water quality updates for Le Roy (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 Le Roy (T)'s water quality assessment. Grade: A- (87.7/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Disaster
FLOODING

Federal disaster declaration (FEMA DR-4348). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper 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 Le Roy (T)'s water supply.

Lead Within Limits
Detected: 2.9 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Le Roy (T)'s water system has 20 total violations on record, including 1 health-based violation. 6 remain unresolved. 3 violations were issued in the last 5 years.

RPTMROtherMCL
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Jan 2024 TTHM Resolved
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Jun 2016 Lead and Copper Rule Resolved
Jan 2015 TTHM Resolved

Flood & environmental risk

Monroe County has experienced 6 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 Erie(Barge)Canal(W Of Genesee R)At Rochester, Northrup Creek, Round Pond Creek, Genesee R, Red Creek Below Co Hwy 85.

FLOODING
Flood FEMA DR-4348
HURRICANE SANDY
Hurricane FEMA DR-3351
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3262

Where does Le Roy (T)'s water come from?

Le Roy (T)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 15,617 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Erie(Barge)Canal(W Of Genesee R)At Rochester (river), Northrup Creek (river), Round Pond Creek (river), Genesee R (river), Red Creek Below Co Hwy 85 (river).

What Le Roy (T) residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Le Roy (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.

Monitor alerts during storms

Le Roy (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
2.9 ppb
EPA Action Level: 15 ppb · 19% of limit
Safe Level
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.10 µg/L
CA MCL (no federal MCL): 10 µg/L · 1% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
260.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 17% of limit
DetectedUCMR 3 Data
Vanadium
Inorganic
Detected
0.20 µg/L
EPA Short-term HA: 21 µg/L · 1% of limit
DetectedUCMR 3 Data
Chlorate
Disinfection Byproduct
Over HA
270.0 µg/L
EPA Lifetime HA: 210 µg/L · +20% over limit
Over Health AdvisoryUCMR 3 Data
Molybdenum
Inorganic
Detected
1.20 µg/L
EPA Lifetime HA: 40 µg/L · 3% of limit
DetectedUCMR 3 Data
Compliance Record

Violation summary

20
Total violations
1
Health-based
6
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

20 Total
6 Active
1 Health-based
14 Resolved
2 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
8
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Lead and Copper Rule
4
Lead and Copper Rule Revisions
1
Consumer Confidence Rule
1
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Jan 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2011 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2009 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2024 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jun 2016 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2016
Jan 2015 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2015
Jan 2012 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Jan 2012 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Jan 2009 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2011
Jan 2009 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2011
Jan 2007 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Jan 2007 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Sep 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2004
Jan 2004 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Environmental Risk

Flood & disaster history

6
Declared disasters
Nov 2017
Most recent
Flood
Most common type

Monroe County has experienced 6 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Nov 2017
FLOODING
Flood FEMA #4348
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262
Nov 1974
FLOODNG (NYS BARGE CANAL)
Flood FEMA #3004
Mar 1973
HIGH WINDS, WAVE ACTION & FLOODING
Flood FEMA #367
Jun 1972
TROPICAL STORM AGNES
Flood FEMA #338

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.9 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 5.2 ppb from 2003 (8.1 ppb) to 2025 (2.9 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Public/Private
Population Served
15,617
Water Systems
2
Source breakdown
Purchased Surface Water
1
Groundwater
1
Water Source

Where Le Roy (T)'s water comes from

Purchased Surface Water

Le Roy (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 public/private ownership and serves approximately 15,617 people through 2 water systems.

Local Hydrology

Water bodies near Le Roy (T)

Le Roy (T) is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Erie(Barge)Canal(W Of Genesee R)At Rochester
river
Northrup Creek
river
Round Pond Creek
river
Genesee R
river
Red Creek Below Co Hwy 85
river
Infrastructure

Water systems serving Le Roy (T)

System Name PWSID Population Source
MCWA GENESEE NY1800547 15,577 SWP
GODFREYS POND NY1819060 40 GW
Regional Comparison

How Le Roy (T) compares

Full New York rankings →

Le Roy (T)'s score of 87.7/100 is above the average of 74/100 among major New York cities. It outscores 9 of 10 nearby cities.

Le Roy (T) (this city)
87.7
New York avg
74
City Profile

About Le Roy (T), NY

Wikipedia →

Rochester is a city in and the county seat of Monroe County, New York, United States. It is the fourth-most populous city in New York, with a population of 211,328 at the 2020 census. The Rochester metropolitan area in Western New York has an estimated 1.06 million residents and is the 54th-largest metropolitan area in the U.S. Throughout its history, Rochester has acquired several nicknames based on local industries; it has been known as "the Flour City" and "the Flower City" for its dual role in flour production and floriculture, and as the "World's Image Center" for its association with film, optics, and photography.

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Frequently asked questions

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

Le Roy (T)'s water quality earned a grade of A- (87.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #342 out of 855 cities tested in New York.

What contaminants are in Le Roy (T)'s water?

Lead was measured at 2.9 ppb (90th percentile). 20 violations are on record.

How is Le Roy (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 Le Roy (T)?

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

Where does Le Roy (T)'s water come from?

Le Roy (T)'s water is sourced from Purchased surface water. The city has 2 water systems serving approximately 15,617 residents.

What health violations has Le Roy (T)'s water system had?

Le Roy (T) 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. 6 violations remain unresolved.

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

Le Roy (T) ranks #342 out of 855 cities in New York (better than 60% of state cities) and #3862 out of 15744 cities nationally (76th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.