By OpenStats · Built from official Canadian sources
Regional estimateWater quality grade
Good
Graded against Health Canada drinking water guidelines
Slave Lake at 201 mg/L is hard enough to scale kettles, but most residents solve taste and lead at the tap first. Carbon filtration + test strips; whole-house softener only if repeat hardness readings justify it.
OpenStats pick for Slave Lake’s 201 mg/L hardness — drinking-water carbon first; pitchers do not soften
Higher-flow kitchen carbon for Slave Lake without dedicating a softener closet
Slave Lake at 201 mg/L — measure before jumping to a whole-house softener
Consider whole-house softening only if strips confirm 201 mg/L+ is wrecking appliances
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Municipal reports cover the plant. A Tap Score kit tests the water at a Slave Lake tap for a broader contaminant panel.
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Slave Lake's drinking water earns Grade B (Good). Hardness is 201 mg/L (very hard), and pH is 7.9 against Health Canada's 6.5–8.5 guideline.
Lead at 0.1 μg/L is below the 5 μg/L maximum, and fluoride is 0.7 mg/L against a guideline of ≤ 1.5 mg/L.
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
How Slave Lake 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.
Mixed surface and groundwater
Research confidence: medium
Slave Lake Water Treatment Plant
From municipal open data or regional estimate (verify locally).
All monitored parameters meet Health Canada guidelines.
Health parameters compliant; minor aesthetic factors such as hardness or pH near guideline edges.
Figure 1 · Supply chain
From watershed to tap
Alberta · 51 cities in sample
Provincial average: hardness 178 mg/L · pH 7.5 · lead 0.3 μg/L · fluoride 0.6 mg/L
| Parameter | Reading | Health Canada guideline | Status |
|---|---|---|---|
| Hardness | 201 mg/L | No health limit (aesthetic) | Compliant |
| pH | 7.9 | 6.5–8.5 | Compliant |
| Lead | 0.1 μg/L | ≤ 5 μg/L | Compliant |
| Fluoride | 0.7 mg/L | ≤ 1.5 mg/L | Compliant |
| Chlorine (free) | 0.6 mg/L | ≤ 4 mg/L | Compliant |
| Turbidity | 0.2 NTU | ≤ 1 NTU (typical target) | Compliant |
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
Slave Lake at 201 mg/L is hard enough to scale kettles, but most residents solve taste and lead at the tap first. Carbon filtration + test strips; whole-house softener only if repeat hardness readings justify it.
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