RM OF CORNWALLIS Water Well Depth & Hydrogeology
Regional groundwater summary • GWDrill Historical Log Extraction
Bottom Line Up Front
In RM OF CORNWALLIS the median well is 50 feet deep and draws from Sand and Gravel Aquifer bedrock, which supplies 69.4% of wells here. Water is very hard at about 249 mg/L, so a softener is standard equipment. Rotary drilling is routine and 86.8% of wells serve ordinary household use. Treatment emphasis: sediment turbidity, localized iron/manganese. Unconsolidated sediments demand particulate intrusion monitoring.
Modelled Well Depth
50 FT
Median for this area. Typical range 30–73 ft.
Est. Completion Cost
$5,700 CAD
$114/ft effective rate (includes fixed $1,900 mobilization & pump installation).
Water Hardness
249 MG/L
Very Hard. Sediment turbidity, localized iron/manganese.
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 | 2,002 | 1,420 avg per RM |
| Median Well Depth | 50 ft | 118 ft provincial median |
| Average Well Depth | 60.5 ft | 137.1 ft provincial average |
| Recorded Depth Range | 1 – 435 ft | 2 – 1,201 ft recorded range |
| Dominant Aquifer | Sand and Gravel Aquifer | Mixed glacial till province-wide |
| Estimated Water Hardness | 249 mg/L — Very Hard | 210 mg/L provincial average |
| Est. Drilling Cost Range | $5,200 – $13,000 CAD | $110/ft plus mobilization |
| Domestic Household Use | 87% of wells | 88% province-wide |
Where This Report Applies
Approximate boundary of RM OF CORNWALLIS
Shaded area is an approximate municipal outline for orientation only. Well records are aggregated across the entire RM OF CORNWALLIS.
Depth Distribution
Most completed wells fall near the median depth of 50 ft.
Median depth of 50 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.
1,390 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.
553 wells Unclassified hydrogeological formation from legacy provincial drill records.
34 wells Low-permeability clay-rich glacial deposits with localized sand lenses. Often slow recharge.
25 wells Fractured Cretaceous shale formation prominent in western Manitoba. Characterized by high total dissolved solids (TDS) and potential sulfur/iron compounds.
Water Quality Profile
Estimated hardness, mineral risks and treatment implications.
Total Hardness
Very Hard249 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 Sand and Gravel Aquifer 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.
54% 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 249 mg/L hardness, sand and gravel aquifer and a 50 ft median completion depth, for a four-person household. Adjust the assumptions in the builder.
Equipment Total
$1,988
Annual Consumables
$579
Softener Sizing
40,000 gr
Water Testing
Tap Score Canadian Essential Water Test
Nothing gets sized without numbers. Regional modelling puts hardness near 249 mg/L in sand and gravel aquifer, 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
Whole-Home Softening
Fleck 5600SXT 32,000 Grain High-Efficiency Softener
At 249 mg/L (very hard) a 4-person household loads roughly 4.4k grains of hardness per day onto the plumbing.
- Sizing
- 40,000 grain metered capacity — about a 7-day regeneration cycle with reserve
- Equipment
- $1,090 CAD
- Annual Consumables
- $110 CAD
UV Disinfection
iSpring UVF55FS 12 GPM Whole-House UV Disinfection System
Median completion depth of 50 ft in sand and gravel aquifer 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
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Frequently Asked Questions
Quick answers about water wells in RM OF CORNWALLIS.
How deep are water wells in RM OF CORNWALLIS?
The average water well in RM OF CORNWALLIS, MB is 60.5 feet deep. Most wells range between 30.0 and 73.0 feet.
What is the primary aquifer in RM OF CORNWALLIS?
The most common aquifer tapped by drillers in RM OF CORNWALLIS is SAND AND GRAVEL.