Mont-Joli Water Well Depth & Hydrogeology
Regional groundwater summary • GWDrill Historical Log Extraction
Bottom Line Up Front
In Mont-Joli the median well is 120 feet deep and draws from Crystalline Bedrock (Granite/Gneiss) bedrock, which supplies 84.3% of wells here. Water is very hard at about 325 mg/L, so a softener is standard equipment. Rotary drilling is routine and 94% of wells serve ordinary household use. Treatment emphasis: low ph, slightly corrosive. Crystalline fractures favor low-alkalinity corrosion.
Modelled Well Depth
120 FT
Median for this area. Typical range 72–165 ft.
Est. Completion Cost
$11,020 CAD
$92/ft effective rate (includes fixed $1,900 mobilization & pump installation).
Water Hardness
325 MG/L
Very Hard. Low pH, slightly corrosive.
Pump class at this depth: 1/2 HP submersible, 4" casing
Adjust Target Depth
Drag the yellow indicator across the strata bar
Well Statistics
Local measurements compared against Quebec provincial benchmarks.
| Hydrogeological Metric | Local Measurement | QC Provincial Benchmark |
|---|---|---|
| Total Registered Wells | 51 | 1,420 avg per RM |
| Median Well Depth | 120 ft | 118 ft provincial median |
| Average Well Depth | 129.9 ft | 137.1 ft provincial average |
| Recorded Depth Range | 30 – 396 ft | 2 – 1,201 ft recorded range |
| Dominant Aquifer | Crystalline Bedrock (Granite/Gneiss) | Mixed glacial till province-wide |
| Estimated Water Hardness | 325 mg/L — Very Hard | 210 mg/L provincial average |
| Est. Drilling Cost Range | $6,610 – $17,260 CAD | $110/ft plus mobilization |
| Domestic Household Use | 94% of wells | 88% province-wide |
Where This Report Applies
Approximate boundary of Mont-Joli
Shaded area is an approximate municipal outline for orientation only. Well records are aggregated across the entire Mont-Joli.
Depth Distribution
Most completed wells fall near the median depth of 120 ft.
Median depth of 120 ft falls inside the reported range. Deeper completions here usually mean higher mineral content but steadier year-round pressure.
Aquifer Composition
Bedrock and drift aquifers recorded by drillers in this area.
43 wells Eastern Manitoba crystalline rock. Yields soft, slightly acidic water with minimal dissolved solids.
5 wells Shallow to intermediate glacial drift aquifer deposited in alluvial channels or outwash plains. Yields softer water but requires continuous sediment filtration and shallow bacterial monitoring.
3 wells Unclassified hydrogeological formation from legacy provincial drill records.
Water Quality Profile
Estimated hardness, mineral risks and treatment implications.
Total Hardness
Very Hard325 MG/L
as CaCO3, Health Canada scale
Present Mineral Risk
- Scale build-up in kettles, heaters and fixtures
- Dissolved iron and manganese staining
- Elevated calcium and magnesium from Crystalline Bedrock (Granite/Gneiss) bedrock
Test before purchasing treatment. Hardness varies well to well within the same quarter section.
Size custom treatment system for this waterDrilling Activity
Historical permit and construction activity by decade.
23% of wells are over 30 years old. Steel casing installed before 1995 can lose integrity, so any older well should get a casing inspection and a bacterial test before you rely on it.
Data-Driven Prescription
The treatment system this water needs
Generated from 325 mg/L hardness, crystalline bedrock (granite/gneiss) and a 120 ft median completion depth, for a four-person household. Adjust the assumptions in the builder.
Equipment Total
$4,479
Annual Consumables
$859
Softener Sizing
52,000 gr
Water Testing
Tap Score Canadian Lead & Arsenic Water Test
Nothing gets sized without numbers. Regional modelling puts hardness near 325 mg/L in crystalline bedrock (granite/gneiss), but your own well can sit well off that median.
- Sizing
- Accredited lab panel: hardness, iron, manganese, nitrate, arsenic, total coliform and E. coli
- Equipment
- $499 CAD
- Annual Consumables
- $499 CAD
Whole-Home Softening
SpringWell SS1 48,000 Grain Whole-Home Softener
At 325 mg/L (very hard) a 4-person household loads roughly 5.7k grains of hardness per day onto the plumbing.
- Sizing
- 52,000 grain metered capacity — about a 7-day regeneration cycle with reserve
- Equipment
- $1,690 CAD
- Annual Consumables
- $140 CAD
Arsenic & Uranium Reduction
US Water Systems Whole-Home Arsenic & Heavy Metal Adsorption Filter
Fractured crystalline bedrock (granite/gneiss) is the Canadian setting where arsenic and uranium exceed guideline most often — neither has taste, colour or smell.
- Sizing
- Iron-oxide adsorption bed, sized on the lab result, whole-home
- Equipment
- $2,290 CAD
- Annual Consumables
- $220 CAD
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Frequently Asked Questions
Quick answers about water wells in Mont-Joli.
How deep are water wells in Mont-Joli?
The average water well in Mont-Joli, QC is 129.9 feet deep. Most wells range between 72.0 and 165.2 feet.
What is the primary aquifer in Mont-Joli?
The most common aquifer tapped by drillers in Mont-Joli is Crystalline Bedrock (Granite/Gneiss).