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Water Quality Report · Updated October 07, 2026

BUFFALO WATER AUTHORITY

Serving 276,000 residents in BUFFALO (C), New York .

National rank 13th percentile
New York rank 16th percentile
Data confidence Medium
D
55/100
Below Average
ⓘ How did we get this rating?
Quick answer

BUFFALO WATER AUTHORITY delivers tap water graded D (55/100) by TapWaterSafety.org. The utility serves approximately 276,000 residents in BUFFALO (C), New York using surface water. The most significant water quality concerns are: PFAS contamination; Perfluorohexane sulfonate (PFHXS) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Arsenic detected. For questions, the utility can be reached at 716-851-4766.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
276,000
People served
1
City served
27
Contaminants detected
15
Above health guidelines

Is BUFFALO (C) tap water safe to drink?

BUFFALO WATER AUTHORITY delivers tap water that earns a grade of D (55/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including pfas contamination.

The utility serves 276,000 residents in BUFFALO (C), drawing from surface water.

Public testing data identifies 15 contaminants in this water above EWG's health-based guidelines, including: Perfluorohexane sulfonate (PFHXS), Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromodichloromethane, Trichloroacetic acid, Arsenic, Chloroform, Dichloroacetic acid, Dibromochloromethane, Dibromoacetic acid, Perfluorooctanoic acid (PFOA), Chromium (hexavalent), Perfluorooctane sulfonate (PFOS), Nitrate. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.

EPA compliance record

Official U.S. EPA records for BUFFALO WATER AUTHORITY (system ID NY1400422) for the last 3 years. Checked 2026-10-07.

No health-based violations. EPA recorded 5 quarters with a testing, reporting or notice violation.
5 of 12quarters with a violation
Nolead above EPA action level
07/20/2023last state inspection
RuleTypeSinceStatus
Lead and Copper Rule Revisions Missed reporting 10/17/2024 Open
Lead and Copper Rule Missed testing or reporting 07/01/2024 Open

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for BUFFALO WATER AUTHORITY.

PFAS contamination

Severe concern

Perfluorooctane sulfonate (PFOS), Perfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.

Perfluorohexane sulfonate (PFHXS) significantly above health guideline

Moderate concern

Perfluorohexane sulfonate (PFHXS) detected at 0.4 ppt, 400x above the EWG health guideline of 0.001 ppt.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 22.3 ppb, 372x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 38.9 ppb, 259x above the EWG health guideline of 0.15 ppb.

Arsenic detected

Moderate concern

Arsenic detected at 0.267 ppb.

Contact BUFFALO WATER AUTHORITY

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Recommended water filters for BUFFALO (C)

Filters matched to the specific contaminants in this water supply.

Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)

$180-$750

Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon
Waterdrop G3P800 Tankless RO
$600-$750 NSF 42, 53, 58, 372
View on retailer →

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Reverse osmosis certified for arsenic (NSF/ANSI 58)

$429-$599

Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Score breakdown

This utility's overall score of 55/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
15 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
8 / 20
Compliance History
6 / 10
Source Water Vulnerability
7 / 10

Contaminants detected — international standards comparison

Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Perfluorohexane sulfonate (PFHXS)
PFAS
0.4 ppt 0.001 10.0 — — — — 400× over
Haloacetic acids (HAA9)
Disinfection byproduct
22.3 ppb 0.06 — — — — — 372× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
38.9 ppb 0.15 80.0 100 — — — 259× over
Haloacetic acids (HAA5)
Disinfection byproduct
18.3 ppb 0.1 60.0 60 — — — 183× over
Bromodichloromethane
Disinfection byproduct
10.7 ppb 0.06 — — — — — 178× over
Trichloroacetic acid
Disinfection byproduct
8.32 ppb 0.1 — — — — — 83× over
Arsenic
Heavy metal
0.267 ppb 0.004 10.0 10 10 0.004 — 67× over
Chloroform
Disinfection byproduct
24.1 ppb 0.4 — — — — — 60× over
Dichloroacetic acid
Disinfection byproduct
9.16 ppb 0.2 — — — — — 46× over
Dibromochloromethane
Disinfection byproduct
3.71 ppb 0.1 — — — — — 37× over
Dibromoacetic acid
Disinfection byproduct
0.411 ppb 0.03 — — — — — 14× over
Perfluorooctanoic acid (PFOA)
PFAS
0.981 ppt 0.09 4.0 100 100 0.007 — 11× over
Chromium (hexavalent)
Heavy metal
0.07 ppb 0.02 — — — — — 3.5× over
Perfluorooctane sulfonate (PFOS)
PFAS
1.04 ppt 0.3 4.0 100 100 1 — 3.5× over
Nitrate
Inorganic
0.16 ppm 0.14 10.0 11.3 11.3 10 — 1.1× over
Antimony
Heavy metal
0.8 ppb 1.0 6.0 10 20 1 — Below guideline
Bromoform
Disinfection byproduct
0.325 ppb 0.5 — — — — — Below guideline
Molybdenum
Other
1.09 ppb 40.0 — — — — — Below guideline
Barium
Heavy metal
12.5 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Manganese
Heavy metal
1.34 ppb 100.0 — 50 80 — — Below guideline
Monochloroacetic acid
Disinfection byproduct
0.336 ppb 53.0 — — — — — Below guideline
Monobromoacetic acid
Disinfection byproduct
0.0941 ppb 25.0 — — — — — Below guideline
Perfluorobutane sulfonate (PFBS)
PFAS
0.758 ppt 2000.0 — — — — — Below guideline
Perfluoroheptanoic acid (PFHPA)
PFAS
0.187 ppt 1000.0 — — — — — Below guideline
Strontium
Radiological
0.159 ppb 1500.0 — — — — — Below guideline
4-Androstene-3,17-dione
Other
0.175 ppt — — — — — — Below guideline
Fluoride
Inorganic
0.0767 ppm — 4.0 1.5 1.5 — — Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

BUFFALO WATER AUTHORITY service area

This water system serves 1 community in Erie County, New York. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
NY1400422
Owner type
Local government
Source water
Surface water
Service connections
80,000
Service area
BUFFALO (C), Erie County, New York