Quebec • 147 Registered Wells

Saint-Majorique-de-Grantham Water Well Depth & Hydrogeology

Regional groundwater summary • GWDrill Historical Log Extraction

Bottom Line Up Front

In Saint-Majorique-de-Grantham the median well is 60 feet deep and draws from Crystalline Bedrock (Granite/Gneiss) bedrock, which supplies 85% 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

60 FT

Median for this area. Typical range 37–115 ft.

Est. Completion Cost

$6,460 CAD

$108/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

Representative Geological StrataDrilling in: Shale (30–400+ ft)

Shale

40 ft (Shallow)Median 60 ft400 ft (Deep)

Well Statistics

Local measurements compared against Quebec provincial benchmarks.

Hydrogeological Metric	Local Measurement	QC Provincial Benchmark
Total Registered Wells	147	1,420 avg per RM
Median Well Depth	60 ft	118 ft provincial median
Average Well Depth	81.1 ft	137.1 ft provincial average
Recorded Depth Range	10 – 360 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 Saint-Majorique-de-Grantham

Shaded area is an approximate municipal outline for orientation only. Well records are aggregated across the entire Saint-Majorique-de-Grantham.

Depth Distribution

Most completed wells fall near the median depth of 60 ft.

0-50 ft

0% · 0

51-100 ft

27.3% · 3

101-150 ft

27.3% · 3

151-200 ft

9.1% · 1

201-250 ft

18.2% · 2

251-300 ft

9.1% · 1

301-400 ft

9.1% · 1

401+ ft

0% · 0

Median depth of 60 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.

Precambrian Crystalline Granite 85%

125 wells Eastern Manitoba crystalline rock. Yields soft, slightly acidic water with minimal dissolved solids.

Sand & Gravel Aquifer 10.2%

15 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.

Undifferentiated Aquifer 4.8%

7 wells Unclassified hydrogeological formation from legacy provincial drill records.

Water Quality Profile

Estimated hardness, mineral risks and treatment implications.

Total Hardness

Very Hard

325 MG/L

as CaCO3, Health Canada scale

Soft Moderate Hard Very hard

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 water

Drilling Activity

Historical permit and construction activity by decade.

Pre-1970

0 wells on record

1970s

0 wells on record

1980s

0 wells on record

1990s

1 wells · avg 105 ft

2000s

2 wells · avg 65 ft

2010s

6 wells · avg 170 ft

2020s

2 wells · avg 283 ft

5% 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.

Affiliate & Editorial Disclosure: In accordance with the Competition Bureau of Canada and FTC guidelines, please note that links to filtration equipment and test kits are affiliate links. If you purchase through our links, Canada Well Data may earn a commission at no extra cost to you. Recommendations are generated independently from regional well records and Health Canada GCDWQ standards. Learn more about our affiliate and editorial disclosure policy.

Data-Driven Prescription

The treatment system this water needs

Generated from 325 mg/L hardness, crystalline bedrock (granite/gneiss) and a 60 ft median completion depth, for a four-person household. Adjust the assumptions in the builder.

Equipment Total

$5,028

Annual Consumables

$979

Softener Sizing

52,000 gr

Water Testing

Tap Score Canadian Lead & Arsenic Water Test

required

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

Shop this stage Budget option · $39

Whole-Home Softening

SpringWell SS1 48,000 Grain Whole-Home Softener

required

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

Shop this stage

UV Disinfection

iSpring UVF55FS 12 GPM Whole-House UV Disinfection System

recommended

Median completion depth of 60 ft in crystalline bedrock (granite/gneiss) leaves this aquifer surface-influenced, which is where coliform hits come from.

Sizing: 12 GPM UV, installed last in the treatment train, downstream of all filtration
Equipment: $549 CAD
Annual Consumables: $120 CAD

Shop this stage Premium option · $1,190

Arsenic & Uranium Reduction

US Water Systems Whole-Home Arsenic & Heavy Metal Adsorption Filter

recommended

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

Shop this stage Budget option · $179

Tune this to my household

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Frequently Asked Questions

Quick answers about water wells in Saint-Majorique-de-Grantham.

How deep are water wells in Saint-Majorique-de-Grantham?

The average water well in Saint-Majorique-de-Grantham, QC is 81.1 feet deep. Most wells range between 37.1 and 114.5 feet.

What is the primary aquifer in Saint-Majorique-de-Grantham?

The most common aquifer tapped by drillers in Saint-Majorique-de-Grantham is Crystalline Bedrock (Granite/Gneiss).