Dolbeau-Mistassini, Quebec

Barium: 0 of 13 · Manganese: 3 of 13 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

0 of 13 sampled wells (0%) had a latest result above the Quebec standard of 1 mg/L.

Median (latest per well): 0.039 mg/L
90th percentile: 0.067 mg/L
Highest: 0.17 mg/L
Samples: 15, 2010-07-14 to 2012-10-11
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

3 of 13 sampled wells (23%) had a latest result above the Quebec standard of 0.12 mg/L.

Median (latest per well): 0.049 mg/L
90th percentile: 0.36 mg/L
Highest: 2.4 mg/L
Samples: 15, 2010-07-14 to 2012-10-11
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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