Landrienne, Quebec

Arsenic: 1 of 14 · Barium: 0 of 14 · Fluoride: 0 of 13 · Manganese: 9 of 14 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

1 of 14 sampled wells (7%) had a latest result above the Quebec standard of 0.01 mg/L.

Median (latest per well): 0.0043 mg/L
90th percentile: 0.0089 mg/L
Highest: 0.017 mg/L
Samples: 15, 1993-01-28 to 2011-08-18
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 14 sampled wells (0%) had a latest result above the Quebec standard of 1 mg/L.

Median (latest per well): 0.011 mg/L
90th percentile: 0.018 mg/L
Highest: 0.043 mg/L
Samples: 15, 1993-01-28 to 2011-08-18
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 13 sampled wells (0%) had a latest result above the Quebec standard of 1.5 mg/L.

Median (latest per well): 0.07 mg/L
90th percentile: 0.1 mg/L
Highest: 0.13 mg/L
Samples: 14, 1993-01-28 to 2010-08-17
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

9 of 14 sampled wells (64%) had a latest result above the Quebec standard of 0.12 mg/L.

Median (latest per well): 0.225 mg/L
90th percentile: 0.64 mg/L
Highest: 1.1 mg/L
Samples: 15, 1993-01-28 to 2011-08-18
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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