Mont-Tremblant, Quebec

Arsenic: 0 of 11 · Barium: 0 of 11 · Manganese: 3 of 11 sampled wells above the Quebec standard. Updated 2026-10-17. Source : PACES Laurentides-Les Moulins (2025-04 file); 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.

Arsenic

0 of 11 sampled wells (0%) had a latest result above the Quebec standard of 0.01 mg/L.

Median (latest per well): 0 mg/L
90th percentile: 0 mg/L
Highest: 0.001 mg/L
Undated: 8 well(s) have no usable sample date; their highest result is used.
Samples: 11, 2004-10-14 to 2005-10-21
Source: PACES Laurentides-Les Moulins (2025-04 file); 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

Barium

0 of 11 sampled wells (0%) had a latest result above the Quebec standard of 1 mg/L.

Median (latest per well): 0.0099 mg/L
90th percentile: 0.034 mg/L
Highest: 0.063 mg/L
Undated: 8 well(s) have no usable sample date; their highest result is used.
Samples: 11, 2004-10-14 to 2005-10-21
Source: PACES Laurentides-Les Moulins (2025-04 file); 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 11 sampled wells (27%) had a latest result above the Quebec standard of 0.12 mg/L.

Median (latest per well): 0.025 mg/L
90th percentile: 0.145 mg/L
Highest: 0.16 mg/L
Undated: 8 well(s) have no usable sample date; their highest result is used.
Samples: 11, 2004-10-14 to 2005-10-21
Source: PACES Laurentides-Les Moulins (2025-04 file); 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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