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Prince Rupert Drinking Water Quality
By OpenStats · Built from official Canadian sources
Regional estimateC
Water quality grade
Fair
Graded against Health Canada drinking water guidelines
Lead within guidelinepH in range
Hardness vs provincial average152 mg/L · prov. avg 139 mg/L
Lead vs provincial average0 μg/L · prov. avg 0.3 μg/L
Hardness
152 mg/L
Lead
0 μg/L
≤ 5 μg/L
pH
7.5
6.5–8.5 range
Hardness
152 mg/L
Hard
Lead
0 μg/L
Max: 5 μg/L
pH
7.5
6.5–8.5
Chlorine
0.5 mg/L
Max: 4 mg/L
From source to sink
Where Prince Rupert water comes from
Lakes, rivers, wells, and treatment plants behind the kitchen tap, in plain language. Chemistry grades above are a separate lab snapshot; this section is the route the water travels.
Open the full tap storyOn the map
Where Prince Rupert water lives
Source waters and treatment plants pinned from published utility names. Open a pin below for the full OpenStreetMap view.
- CityPrince Rupert
Municipal service area
- Treatment plantPrince Rupert chlorination facility (full WTP planned)
Approximate pin near Prince Rupert (exact plant coordinates pending)
Map data © OpenStreetMap contributors. Pins are approximate for orientation, not legal survey points.
Where it starts
Surface water
Research confidence: high
Named source waters
- Woodworth Lake (primary)
- Shawatlan Lake (secondary)
Treatment plants
Prince Rupert chlorination facility (full WTP planned)
Currently chlorination-focused; comprehensive filtration plant still in planning/pilot (Shawatlans pilot targeted ~2026). New Woodworth Dam completed 2022; primary supply restored Feb 2023.
How it reaches your street
Gravity-fed system from elevated Woodworth Lake across the harbour; submarine/overland watermain and distribution replacement are major capital programs.
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Reading this page
Prince Rupert's most recent drinking water sample (2026-07-22) reports hardness of 152 mg/L, classified as hard, and pH 7.5, drawn from a groundwater water source and treated at Prince Rupert Water Treatment Plant. Lead measured 0 μg/L and fluoride 0.6 mg/L.
Free chlorine measured 0.5 mg/L in this sample. No E. coli was detected in this sample.
Prince Rupert's hardness of 152 mg/L is above the British Columbia average of 139 mg/L across 31 tracked municipalities, with a provincial average pH of 7.5.
These readings summarize a single compliance snapshot, not a certification of the water reaching your tap. Test your own water periodically, especially on a private well, and consider a softener if hardness is classified hard or very hard.
How to use this page: read the headline metrics first, then where the water comes from (map and tap story), then the parameter table and source footer.
Health parameters meet Health Canada limits; turbidity above the 1 NTU typical target.
One or more parameters exceed a Health Canada drinking water guideline or turbidity target.
Figure 1 · From source to sink
How drinking water reaches your tap
Compared to provincial average
British Columbia · 31 cities in sample
Hardness (city vs British Columbia avg)152 mg/L
pH (city vs British Columbia avg)7.5
Lead (city vs British Columbia avg)0 μg/L
Fluoride (city vs British Columbia avg)0.6 mg/L
Provincial average: hardness 139 mg/L · pH 7.5 · lead 0.3 μg/L · fluoride 0.6 mg/L
Full parameters
| Parameter | Reading | Health Canada guideline | Status |
|---|---|---|---|
| Hardness | 152 mg/L | No health limit (aesthetic) | Compliant |
| pH | 7.5 | 6.5–8.5 | Compliant |
| Lead | 0 μg/L | ≤ 5 μg/L | Compliant |
| Fluoride | 0.6 mg/L | ≤ 1.5 mg/L | Compliant |
| Chlorine (free) | 0.5 mg/L | ≤ 4 mg/L | Compliant |
| Turbidity | 3.3 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 →Drinking water filters and test kits
Pitcher and under-sink filters, plus hardness strips and TDS meters for tap checks.
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· Compare options- Shop on Amazon.caWater filter pitcherPopular everyday tap filter
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- Shop on Amazon.caReverse osmosis systemHigh-ticket under-sink upgrade
- Shop on Amazon.caShower filterChlorine at the showerhead
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- Shop on Amazon.caTDS meterQuick dissolved-solids readout
- Shop on Amazon.caWater hardness test stripsQuick tap reading
Source · ECCC / municipal open data (seed). Last updated 2026-07-22. Refreshed on the site's automated schedule.