By OpenStats · Built from official Canadian sources
Regional estimateWater quality grade
Good
Graded against Health Canada drinking water guidelines
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Grande Prairie's drinking water earns Grade B (Good). Hardness is 102 mg/L (moderate), and pH is 8 against Health Canada's 6.5–8.5 guideline.
Lead at 0.6 μg/L is below the 5 μg/L maximum, and fluoride is 0.5 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 Grande Prairie 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.
Surface water
Research confidence: high
Aquatera Water Treatment Plant
Regional utility plant south of the city near 100 Street; treats Wapiti River water for Grande Prairie and regional customers including Sexsmith, Wembley, and parts of the County of Grande Prairie.
Aquatera transmits treated water into city and regional lines; raw-water storage ponds and intakes sit on the Wapiti. A reservoir expansion at the plant is intended to add days of potable storage for outages and maintenance.
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
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 | 102 mg/L | No health limit (aesthetic) | Compliant |
| pH | 8 | 6.5–8.5 | Compliant |
| Lead | 0.6 μg/L | ≤ 5 μg/L | Compliant |
| Fluoride | 0.5 mg/L | ≤ 1.5 mg/L | Compliant |
| Chlorine (free) | 1.1 mg/L | ≤ 4 mg/L | Compliant |
| Turbidity | 2.3 NTU | ≤ 1 NTU (typical target) | Exceeds guideline |
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
Grande Prairie pairs 102 mg/L hardness with 1.1 mg/L chlorine — taste and scale show up together. Elite carbon for drinking, shower filter for chlorine, strips so you know when you need a softener.
As an Amazon Associate, OpenStats earns from qualifying purchases.
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