Saguenay, Quebec

Barium: 1 of 44 · Fluoride: 9 of 37 · Manganese: 6 of 43 sampled wells above the Quebec standard. Updated 2026-10-17. Source : PACES – Projets d'acquisition de connaissances sur les eaux souterraines (MELCCFP), compiled database.

What wells in this municipality measured in the provincial PACES groundwater surveys. A local picture only: test your own well to know your water.

Barium

1 of 44 sampled wells (2%) had a latest result above the Quebec standard of 1 mg/L.

Median (latest per well): 0.0895 mg/L
90th percentile: 0.41 mg/L
Highest: 1.2 mg/L
Samples: 52, 2010-06-23 to 2011-08-22
Source: PACES – Projets d'acquisition de connaissances sur les eaux souterraines (MELCCFP), compiled database (CC-BY 4.0), downloaded 2026-10-17
Standard: Règlement sur la qualité de l’eau potable, annexe 1

Fluoride

9 of 37 sampled wells (24%) had a latest result above the Quebec standard of 1.5 mg/L.

Median (latest per well): 0.6 mg/L
90th percentile: 2 mg/L
Highest: 2.9 mg/L
Samples: 41, 2010-06-23 to 2011-08-22
Source: PACES – Projets d'acquisition de connaissances sur les eaux souterraines (MELCCFP), compiled database (CC-BY 4.0), downloaded 2026-10-17
Standard: Règlement sur la qualité de l’eau potable, annexe 1

Manganese

6 of 43 sampled wells (14%) had a latest result above the Quebec standard of 0.12 mg/L.

Median (latest per well): 0.011 mg/L
90th percentile: 0.15 mg/L
Highest: 1 mg/L
Samples: 50, 2007-10-01 to 2011-08-22
Source: PACES – Projets d'acquisition de connaissances sur les eaux souterraines (MELCCFP), compiled database (CC-BY 4.0), downloaded 2026-10-17
Standard: Règlement sur la qualité de l’eau potable, annexe 1

Includes domestic, municipal and monitoring wells. Total and dissolved results both count. Non-detects count only when the lab's detection limit is at or below the standard. Method: data rules.

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