Québec, Quebec

Arsenic: 0 of 28 · Barium: 0 of 28 · Fluoride: 1 of 28 · Manganese: 8 of 25 · Uranium: 0 of 24 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.

Arsenic

0 of 28 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 mg/L
Non-detects: 28 well(s) had a latest result of "not detected" with no detection limit reported; they are counted as below the standard.
Samples: 28, 2009-08-05 to 2012-09-07
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

Barium

0 of 28 sampled wells (0%) had a latest result above the Quebec standard of 1 mg/L.

Median (latest per well): 0.0065 mg/L
90th percentile: 0.24 mg/L
Highest: 0.9192 mg/L
Non-detects: 10 well(s) had a latest result of "not detected" with no detection limit reported; they are counted as below the standard.
Samples: 28, 2009-08-05 to 2012-09-07
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

1 of 28 sampled wells (4%) had a latest result above the Quebec standard of 1.5 mg/L.

Median (latest per well): 0.21 mg/L
90th percentile: 0.9 mg/L
Highest: 2.38 mg/L
Non-detects: 2 well(s) had a latest result of "not detected" with no detection limit reported; they are counted as below the standard.
Samples: 28, 2009-08-05 to 2012-09-07
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

8 of 25 sampled wells (32%) had a latest result above the Quebec standard of 0.12 mg/L.

Median (latest per well): 0.0187 mg/L
90th percentile: 0.9135 mg/L
Highest: 2.5 mg/L
Non-detects: 6 well(s) had a latest result of "not detected" with no detection limit reported; they are counted as below the standard.
Samples: 25, 2009-08-05 to 2012-06-19
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

Uranium

0 of 24 sampled wells (0%) had a latest result above the Quebec standard of 0.02 mg/L.

Median (latest per well): 0 mg/L
90th percentile: 0.0019 mg/L
Highest: 0.005 mg/L
Non-detects: 18 well(s) had a latest result of "not detected" with no detection limit reported; they are counted as below the standard.
Samples: 24, 2011-06-02 to 2012-06-19
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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