Resources · Water

Acreage guides for towns in this county: Cardston

How Deep Is the Water Table in Cardston County?

Buyers ask this before they bid, and drillers ask it before they quote. In Cardston County, nearby well records point to an average completed well depth of about 39 m, with static water levels often in the 4–16 m range. The predominant aquifer on file for this part of Alberta is the Belly River and St. Mary River Formation sandstone with foothills gravels.

Those numbers are county-scale context. They are not a promise for the quarter you are walking. These figures come from a Land Intelligence report run on a representative quarter in the county (NW 11-3-25-W4; 106 provincial well records within 5 km), not from your parcel.

Cardston County runs from irrigated prairie to the Waterton front, and water varies with it. Belly River and St. Mary River sandstones supply most wells; foothills gravels give shallow, fast water near the mountains.

What a “water table” number actually is in Cardston County

Around Cardston and the rest of Cardston County, people use “water table” for three different things:

• Static water level — the resting height of water in a completed well, measured from ground surface.
• Completion depth — how far the driller had to go to find a usable interval.
• Seasonal high water — how close water sits to the surface in a wet year, which matters for basements, septic, and dugouts.

A listing that says “good water at 80 feet” is usually mixing those ideas. Eighty feet of steel is a completion depth. The pump may still hang much shallower if the static level is high. Or the well may be deep and the static level may still sit far down the hole in late summer.

In Cardston County, treat 39 m as a planning band for completion, and 4–16 m as a planning band for static level. If a seller’s story sits far outside both bands, ask for the well ID and the last pump test.

What this means before you drill in Cardston County

Budget three line items on a Cardston County acreage, not one:

• Drilling and casing to a depth that can overshoot the neighbour’s well. In this county, planning around 39 m plus a contingency is more honest than copying the shallowest well on the road.
• A pump test, not a “we hit water” photo. Yield, drawdown, and recovery decide whether the well is a household supply.
• Water chemistry. Iron, hardness, sulphur, and bacteria are independent of depth. A cheap shallow well can still need treatment.

The Belly River and St. Mary River Formation sandstone with foothills gravels is common in this part of the province, but contacts shift. A buried-valley sand and a bedrock sandstone can sit under adjacent quarters. That is why a free parcel report that plots nearby well records is worth more than a single county average.

Flood and surface water are a separate file. In Cardston County, notable mapped or commonly discussed hazard areas include St. Mary River, Belly River, Lee Creek at Cardston. A wet corner of a field is not automatically a well. It may be a wetland, a flood fringe, or both.

Reading a well record in Cardston County

Alberta well reports usually list location, date, lithology, completion interval, static level, and a test rate. When you pull neighbours near Cardston:

• Prefer wells within a kilometre, then compare geology, not just depth.
• Ignore abandoned holes unless you want to know where not to drill.
• Note the year. A 1978 farm well and a 2019 domestic well are not the same construction standard.
• If three nearby wells finish near 39 m and one is 15 m, ask why. The shallow one may be a sand point, a dugout well, or a different aquifer.

Permits, setbacks, and the rest of the Cardston County water file

A new well in Cardston County is only one approval. Earthworks for a pond, a dugout, or a crossing can trigger the Water Act. Mapped wetlands near Cardston and across Cardston County are common enough that you should not assume a “just a slough” story. Keep well planning and wetland planning in two piles so a good aquifer does not talk you into filling a regulated wetland.

See this for your specific parcel

County averages help you decide whether a listing is in the right universe. They cannot replace a pin on the map.

Generate a free land report for a property in Cardston County →

The report is built to show water context, nearby records where available, and the other pillars — terrain, wetlands, climate, vegetation — on the same parcel.

Sampled data for Cardston County

From a Land Intelligence report run on a representative quarter in Township 3, Range 25, W4. These are measured or record-based values for that location, shown to put the county figures above in context. They are not your parcel.

Neighbouring counties: MD of Pincher Creek (58 km) · County of Warner (64 km) · Lethbridge County (66 km) · Crowsnest Pass (91 km) · Compare Cardston County with another county

Sampled from the live report pipeline at a representative quarter in Township 3, Range 25, W4 on 2026-10-08: well depth, solar irradiance (106 well records within 5 km). Kept as regional estimates: hardiness zone (point sample read 4b, more than a half-zone from the regional label). Text reviewed 2026-10-08. Methodology.

Common questions

Is Cardston County a good place to drill a well?

Many rural parcels in Cardston County use private wells. Whether yours is “good” depends on the aquifer interval, chemistry, and a pump test — not the county average.

Can I use the neighbour’s well depth in Cardston County?

Only as a hint. Geology can change between quarters. Pull the well ID and lithology before you copy a depth into a budget.