Saint-Lazare, Quebec

Manganese: 7 of 16 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.

Manganese

7 of 16 sampled wells (44%) had a latest result above the Quebec standard of 0.12 mg/L.

Median (latest per well): 0.11 mg/L
90th percentile: 0.65 mg/L
Highest: 3.1 mg/L
Samples: 16, 1979-04-04 to 2004-07-06
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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