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Charlottetown Drinking Water Quality
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 average167 mg/L · prov. avg 194 mg/L
Lead vs provincial average0.4 μg/L · prov. avg 0.4 μg/L
Hardness
167 mg/L
Lead
0.4 μg/L
≤ 5 μg/L
pH
7.8
6.5–8.5 range
Hardness
167 mg/L
Hard
Lead
0.4 μg/L
Max: 5 μg/L
pH
7.8
6.5–8.5
Chlorine
0.9 mg/L
Max: 4 mg/L
From source to sink
Where Charlottetown 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 Charlottetown water lives
Source waters and treatment plants pinned from published utility names. Open a pin below for the full OpenStreetMap view.
- CityCharlottetown
Municipal service area
- Treatment plantCharlottetown Water Utility disinfection / fluoridation facilities
Approximate pin near Charlottetown (exact plant coordinates pending)
Map data © OpenStreetMap contributors. Pins are approximate for orientation, not legal survey points.
Where it starts
Groundwater
Research confidence: high
Named source waters
- Winter River watershed groundwater (municipal wellfields)
Treatment plants
Charlottetown Water Utility disinfection / fluoridation facilities
No conventional surface-water filtration plant; groundwater from multiple wellfields is disinfected and fluoridated before distribution.
How it reaches your street
Charlottetown Water and Sewer Utility extracts from about thirteen wells across municipal wellfields in the Winter River watershed (city materials variously describe three or four wellfields) and distributes citywide. PEI as a province is entirely dependent on groundwater for drinking water.
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Reading this page
Charlottetown's most recent drinking water sample (2026-07-22) reports hardness of 167 mg/L, classified as hard, and pH 7.8, drawn from a groundwater water source and treated at Charlottetown Water Treatment Plant. Lead measured 0.4 μg/L and fluoride 0.6 mg/L.
Free chlorine measured 0.9 mg/L in this sample. No E. coli was detected in this sample.
Charlottetown's hardness of 167 mg/L is below the Prince Edward Island average of 194 mg/L across 2 tracked municipalities, with a provincial average pH of 7.3.
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.
Health parameters meet Health Canada limits; turbidity exceeds the typical 1 NTU aesthetic target.
Figure 1 · From source to sink
How drinking water reaches your tap
Compared to provincial average
Prince Edward Island · 2 cities in sample
Hardness (city vs Prince Edward Island avg)167 mg/L
pH (city vs Prince Edward Island avg)7.8
Lead (city vs Prince Edward Island avg)0.4 μg/L
Fluoride (city vs Prince Edward Island avg)0.6 mg/L
Provincial average: hardness 194 mg/L · pH 7.3 · lead 0.4 μg/L · fluoride 0.6 mg/L
Full parameters
| Parameter | Reading | Health Canada guideline | Status |
|---|---|---|---|
| Hardness | 167 mg/L | No health limit (aesthetic) | Compliant |
| pH | 7.8 | 6.5–8.5 | Compliant |
| Lead | 0.4 μg/L | ≤ 5 μg/L | Compliant |
| Fluoride | 0.6 mg/L | ≤ 1.5 mg/L | Compliant |
| Chlorine (free) | 0.9 mg/L | ≤ 4 mg/L | Compliant |
| Turbidity | 2.1 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
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Source · City of Charlottetown Water and Sewer Utility annual report. Last updated 2026-07-22. Refreshed on the site's automated schedule.