Clarendon, Quebec

Arsenic: 0 of 12 · Barium: 0 of 12 · Fluoride: 3 of 12 · Manganese: 2 of 12 · Uranium: 1 of 12 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 12 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: 0.0013 mg/L
Samples: 15, 2011-08-17 to 2012-08-08
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 12 sampled wells (0%) had a latest result above the Quebec standard of 1 mg/L.

Median (latest per well): 0.0705 mg/L
90th percentile: 0.23 mg/L
Highest: 0.46 mg/L
Samples: 15, 2011-08-17 to 2012-08-08
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

3 of 12 sampled wells (25%) had a latest result above the Quebec standard of 1.5 mg/L.

Median (latest per well): 0.6 mg/L
90th percentile: 1.8 mg/L
Highest: 3.6 mg/L
Samples: 15, 2011-08-17 to 2012-08-08
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

2 of 12 sampled wells (17%) had a latest result above the Quebec standard of 0.12 mg/L.

Median (latest per well): 0.012 mg/L
90th percentile: 0.056 mg/L
Highest: 3.3 mg/L
Samples: 15, 2011-08-17 to 2012-08-08
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

1 of 12 sampled wells (8%) had a latest result above the Quebec standard of 0.02 mg/L.

Median (latest per well): 0.0027 mg/L
90th percentile: 0.0059 mg/L
Highest: 0.13 mg/L
Samples: 15, 2011-08-17 to 2012-08-08
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.

Find an accredited lab in Quebec →

If a result is high: arsenic · manganese · uranium · all guides