Serving the mid-Island
Water wells in Errington and Coombs
Electoral Area F features low-yield shale bedrock with scattered sand and gravel pockets.
Nanaimo Well Drilling drills in Errington and Coombs over Aquifer 220, fractured Haslam Formation shale rated low productivity. We review 325 GWELLS records where median depth sits at 60 m and median yield is 3 US gallons a minute, with a lower quartile of 1. Static water levels we read on record range from flowing to 61 m below ground. We size your pump against what your well actually measures when we finish testing.
The bedrock underlying this area carries a low productivity rating. Wells function reliably, but the margin between ground supply and household demand gets tight by late summer. We design your well system specifically to handle these seasonal water margins.
How much water can you expect here?
Median depth is 60 m and median yield is 3 US gallons a minute, with top wells reaching 5 and lower ones pulling 1. Surface soil above shale rock averages under 5 m deep, meaning most of your well passes through solid rock. Water levels dropped about 0.32 m annually over 5 years, and roughly 0.11 m per year since the mid-1980s.
What's in the water here?
Fluoride tests in this aquifer have reached up to 2.90 milligrams per litre. Some wells in Errington report hydrogen sulphide sulphur smells or mineral salts in the water. Total dissolved solids average several hundred milligrams per litre, with some wells reading much higher. These factors do not prevent a good well, but knowing them upfront helps us choose the right pump and filter.
Could your lot sit on sand and gravel instead?
Not all of Electoral Area F is shale. Toward Parksville, Quadra Sand yields a median of 25 US gallons a minute, with artesian flow logged between 50 and 60 m elevation. Which layer sits under your lot changes well depth, flow, and cost completely.
In Errington and Coombs, the aquifer rating tells us what to expect, but every property can still surprise us. To see which aquifer layer lies beneath your land, get your property looked at by our team.
Nearby service areas
Find out what is under your property.
Free written quotes across the rural Regional District of Nanaimo and in Parksville.