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OpenStats picks for Niagara Falls — moderate hardness
Niagara Falls at 126 mg/L is hard enough for kettle scale but often below whole-house softener urgency. Carbon filtration for taste plus hardness strips before you overspend.
Niagara Falls tap water: Grade B, hardness 126 mg/L
By OpenStats · Built from official Canadian sources
Direct municipal dataB
Water quality grade
Good
Graded against Health Canada drinking water guidelines
Lead within guidelinepH in range
Hardness vs provincial average126 mg/L · prov. avg 178 mg/L
Lead vs provincial average0.2 μg/L · prov. avg 0.4 μg/L
Hardness
126 mg/L
Lead
0.2 μg/L
≤ 5 μg/L
pH
7.42
6.5–8.5 range
Hardness
126 mg/L
Hard
Lead
0.2 μg/L
Max: 5 μg/L
pH
7.4
6.5–8.5
Chlorine
0.7 mg/L
Max: 4 mg/L
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Reading this page
Niagara Falls water hardness is 126 mg/L with pH 7.4.
How to use this page: read the headline metric and provincial comparison first, then supply and treatment notes, then the source footer for the underlying dataset.
Watershed to tap
Supply and treatment
How Niagara Falls draws, treats, and distributes drinking water, from municipal and utility publications. Chemistry grades above come from separate parameter records; this section does not invent plant lab figures.
Source type
Surface water
Research confidence: medium
Source waters
- surface
Treatment plants
Niagara Falls Water Treatment Plant
From municipal open data or regional estimate (verify locally).
Health parameters meet Health Canada limits; turbidity above the 1 NTU typical target.
Health parameters meet Health Canada limits; turbidity exceeds the typical 1 NTU aesthetic target.
Figure 1 · Supply chain
From watershed to tap
Compared to provincial average
Ontario · 123 cities in sample
Hardness (city vs Ontario avg)126 mg/L
pH (city vs Ontario avg)7.42
Lead (city vs Ontario avg)0.2 μg/L
Fluoride (city vs Ontario avg)0.5 mg/L
Provincial average: hardness 178 mg/L · pH 7.5 · lead 0.4 μg/L · fluoride 0.6 mg/L
Full parameters
| Parameter | Reading | Health Canada guideline | Status |
|---|---|---|---|
| Hardness | 126 mg/L | No health limit (aesthetic) | Compliant |
| pH | 7.4 | 6.5–8.5 | Compliant |
| Lead | 0.2 μg/L | ≤ 5 μg/L | Compliant |
| Fluoride | 0.5 mg/L | ≤ 1.5 mg/L | Compliant |
| Chlorine (free) | 0.7 mg/L | ≤ 4 mg/L | Compliant |
| Turbidity | 2.7 NTU | ≤ 1 NTU (typical target) | Exceeds guideline |
Alberta water licences
WaterRegister.ca
On a private well or holding an Alberta water allocation licence? Water Register maps EPA licence records, transfer comparables, and watershed context across the province.
Explore WaterRegister.ca →OpenStats pick
OpenStats picks for Niagara Falls — moderate hardness
Niagara Falls at 126 mg/L is hard enough for kettle scale but often below whole-house softener urgency. Carbon filtration for taste plus hardness strips before you overspend.
As an Amazon Associate, OpenStats earns from qualifying purchases.
· Compare options- Shop on Amazon.caBrita Denali pitcherOpenStats pick for Niagara Falls at 126 mg/L — everyday chlorine taste
- Shop on Amazon.caWaterdrop 15UA under-sink filterSkip the pitcher wait in Niagara Falls
- Shop on Amazon.caVARIFY hardness test stripsConfirm 126 mg/L before a softener
- Shop on Amazon.caBrita replacement filtersRecurring cartridge supply
Source · Niagara Region Niagara Falls water treatment plant water quality report. Last updated 2026-10-07. Refreshed on the site's automated schedule.