City water profile

Water hardness in Buffalo

Find official utility reports, understand hardness, and check the water system serving your home in Buffalo, New York.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 2
Active health records: 0

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Ecwa Direct

NY1400443 · Surface water · 313,380 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0.006 mg/L
Action level: 0.015 mg/L

40% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Buffalo Water Authority

NY1400422 · Surface water · 276,000 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0.004 mg/L
Action level: 0.015 mg/L

27% of the listed benchmark

Monitoring period: Jul 1, 2025 to Dec 31, 2025

Violation history (2)

Imported violation history for Buffalo Water Authority
Rule	Status	Period
LEAD AND COPPER RULE REVISIONS	Resolved	Oct 17, 2024 to Aug 5, 2025
Lead and Copper Rule	Resolved	Jul 1, 2024 to Jul 1, 2024

City summary

What the indexed records say

Buffalo has 17 published ZIP profiles across Erie County. The regional-evidence median is 120 PPM. The city does not meet the stricter comparison standard.

The 120–176.5 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard14 ZIPs

Hard2 ZIPs

Very hard0 ZIPs

16 of 17 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 20.8 miles
Profiles with evidence: 16/17

Confidence labels

High: 0Moderate: 2Low: 14

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other New York communities

Akron

Erie County

334 PPM median

Cheektowaga

Erie County

595 PPM median

Clarence

Erie County

645 PPM median

Depew

Erie County

1070 PPM median

Eden

Erie County

172 PPM median

Farnham

Erie County

172 PPM median

Search all 502 New York cities →

Questions people ask

About water in Buffalo

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.