La Corne, Quebec

Arsenic: 0 of 10 · Barium: 1 of 10 · Fluoride: 0 of 10 · Manganese: 6 of 10 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 10 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: 0.0029 mg/L
Samples: 10, 2006-10-02 to 2010-08-31
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

1 of 10 sampled wells (10%) had a latest result above the Quebec standard of 1 mg/L.

Median (latest per well): 0.0195 mg/L
90th percentile: 0.13 mg/L
Highest: 6.1 mg/L
Samples: 10, 2006-10-02 to 2010-08-31
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

0 of 10 sampled wells (0%) had a latest result above the Quebec standard of 1.5 mg/L.

Median (latest per well): 0.4 mg/L
90th percentile: 0.7 mg/L
Highest: 0.9 mg/L
Samples: 10, 2006-10-02 to 2010-08-31
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 10 sampled wells (60%) had a latest result above the Quebec standard of 0.12 mg/L.

Median (latest per well): 0.14 mg/L
90th percentile: 0.33 mg/L
Highest: 0.36 mg/L
Samples: 10, 2006-10-02 to 2010-08-31
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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