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Fredericton Drinking Water Quality
By OpenStats · Built from official Canadian sources
Direct municipal dataA
Water quality grade
Excellent
Graded against Health Canada drinking water guidelines
Lead within guidelinepH in range
Hardness vs provincial average108 mg/L · prov. avg 155 mg/L
Lead vs provincial average0 μg/L · prov. avg 0.2 μg/L
Hardness
108 mg/L
Lead
0 μg/L
≤ 5 μg/L
pH
7.8
6.5–8.5 range
Hardness
108 mg/L
Moderate
Lead
0 μg/L
Max: 5 μg/L
pH
7.8
6.5–8.5
Chlorine
0.5 mg/L
Max: 4 mg/L
From source to sink
Where Fredericton 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 Fredericton water lives
Source waters and treatment plants pinned from published utility names. Open a pin below for the full OpenStreetMap view.
- CityFredericton
Municipal service area
- Treatment plantFredericton Water Treatment Plant 1
Approximate pin near Fredericton (exact plant coordinates pending)
- Treatment plantFredericton Water Treatment Plant 2
Approximate pin near Fredericton (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
- South Fredericton Aquifer (Wilmot Park / St. Anne's Point and Queen Square wellfields)
Treatment plants
Fredericton Water Treatment Plant 1
One of two plants treating wellfield groundwater; chlorine for manganese oxidation/disinfection, lime for pH/corrosion control, then filtration.
Fredericton Water Treatment Plant 2
Second plant on the same South Fredericton Aquifer well system.
How it reaches your street
About 10-11 production wells in Wilmot Park / Queen Square feed two treatment plants, then ~400+ km of watermains, booster stations, and reservoirs serving most households and businesses in the city. Wellfield Protected Area Designation Order (Clean Water Act) regulates land use in Zones A-C around the wells.
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Reading this page
Fredericton's most recent drinking water sample (2026-07-22) reports hardness of 108 mg/L, classified as moderately hard, and pH 7.8, drawn from a groundwater water source and treated at Fredericton 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.
Fredericton's hardness of 108 mg/L is below the New Brunswick average of 155 mg/L across 7 tracked municipalities, with a provincial average pH of 7.7.
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.
All monitored parameters meet Health Canada guidelines.
All health parameters meet Health Canada guidelines with comfortable pH, hardness, and turbidity.
Figure 1 · From source to sink
How drinking water reaches your tap
Compared to provincial average
New Brunswick · 7 cities in sample
Hardness (city vs New Brunswick avg)108 mg/L
pH (city vs New Brunswick avg)7.8
Lead (city vs New Brunswick avg)0 μg/L
Fluoride (city vs New Brunswick avg)0.6 mg/L
Provincial average: hardness 155 mg/L · pH 7.7 · lead 0.2 μg/L · fluoride 0.6 mg/L
Full parameters
| Parameter | Reading | Health Canada guideline | Status |
|---|---|---|---|
| Hardness | 108 mg/L | No health limit (aesthetic) | Compliant |
| pH | 7.8 | 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 | 0.1 NTU | ≤ 1 NTU (typical target) | Compliant |
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 · New Brunswick Clean Water Act public drinking water data portal (Fredericton). Last updated 2026-07-22. Refreshed on the site's automated schedule.