RM OF ST. LAURENT Water Well Depth & Hydrogeology
Regional groundwater summary • GWDrill Historical Log Extraction
Bottom Line Up Front
In RM OF ST. LAURENT the median well is 112 feet deep and draws from Carbonate Rock (Limestone/Dolomite) bedrock, which supplies 88.5% of wells here. Water is very hard at about 322 mg/L, so a softener is standard equipment. Rotary drilling is routine and 95.7% of wells serve ordinary household use. Treatment emphasis: scale buildup, calcium/magnesium hardness. Carbonate chemistry creates persistent calcite scaling.
Modelled Well Depth
112 FT
Median for this area. Typical range 85–147 ft.
Est. Completion Cost
$10,412 CAD
$93/ft effective rate (includes fixed $1,900 mobilization & pump installation).
Water Hardness
322 MG/L
Very Hard. Scale buildup, calcium/magnesium hardness.
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 Manitoba provincial benchmarks.
| Hydrogeological Metric | Local Measurement | MB Provincial Benchmark |
|---|---|---|
| Total Registered Wells | 1,123 | 1,420 avg per RM |
| Median Well Depth | 112 ft | 118 ft provincial median |
| Average Well Depth | 122.7 ft | 137.1 ft provincial average |
| Recorded Depth Range | 2 – 463 ft | 2 – 1,201 ft recorded range |
| Dominant Aquifer | Carbonate Rock (Limestone/Dolomite) | Mixed glacial till province-wide |
| Estimated Water Hardness | 322 mg/L — Very Hard | 210 mg/L provincial average |
| Est. Drilling Cost Range | $7,675 – $15,025 CAD | $110/ft plus mobilization |
| Domestic Household Use | 96% of wells | 88% province-wide |
Where This Report Applies
Approximate boundary of RM OF ST. LAURENT
Shaded area is an approximate municipal outline for orientation only. Well records are aggregated across the entire RM OF ST. LAURENT.
Depth Distribution
Most completed wells fall near the median depth of 112 ft.
Median depth of 112 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.
994 wells Major regional bedrock aquifer formed by Ordovician/Silurian dolomite. Known for reliable, high-volume yields with elevated mineral hardness and dissolved calcium/magnesium carbonates.
96 wells Unclassified hydrogeological formation from legacy provincial drill records.
23 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.
5 wells Fractured Cretaceous shale formation prominent in western Manitoba. Characterized by high total dissolved solids (TDS) and potential sulfur/iron compounds.
4 wells Low-permeability clay-rich glacial deposits with localized sand lenses. Often slow recharge.
Water Quality Profile
Estimated hardness, mineral risks and treatment implications.
Total Hardness
Very Hard322 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 Carbonate Rock (Limestone/Dolomite) 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.
52% 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 322 mg/L hardness, carbonate rock (limestone/dolomite) and a 112 ft median completion depth, for a four-person household. Adjust the assumptions in the builder.
Equipment Total
$4,029
Annual Consumables
$549
Softener Sizing
51,000 gr
Water Testing
Tap Score Canadian Essential Water Test
Nothing gets sized without numbers. Regional modelling puts hardness near 322 mg/L in carbonate rock (limestone/dolomite), 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
- $349 CAD
- Annual Consumables
- $349 CAD
Iron, Manganese & Sulfur
SpringWell WS1 Air-Injection Iron & Manganese Filter
Dissolved iron and manganese are the routine complaint on carbonate rock (limestone/dolomite) wells — they stain fixtures and foul softener resin if not removed first.
- Sizing
- Air-injection oxidation, chemical-free, ahead of the softener
- Equipment
- $1,990 CAD
- Annual Consumables
- $60 CAD
Whole-Home Softening
SpringWell SS1 48,000 Grain Whole-Home Softener
At 322 mg/L (very hard) a 4-person household loads roughly 5.6k grains of hardness per day onto the plumbing.
- Sizing
- 51,000 grain metered capacity — about a 7-day regeneration cycle with reserve
- Equipment
- $1,690 CAD
- Annual Consumables
- $140 CAD
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Frequently Asked Questions
Quick answers about water wells in RM OF ST. LAURENT.
How deep are water wells in RM OF ST. LAURENT?
The average water well in RM OF ST. LAURENT, MB is 122.7 feet deep. Most wells range between 85.0 and 147.0 feet.
What is the primary aquifer in RM OF ST. LAURENT?
The most common aquifer tapped by drillers in RM OF ST. LAURENT is LIMESTONE OR DOLOMITE.