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Location of County of Warner in Alberta
County of Warner within Alberta

Farming in County of Warner, Alberta: Water, Wells and Frost-Free Days

If you run a working farm in County of Warner, four things set your season: how much water you can count on, how long the frost-free window is, which fields are wet or regulated, and what it costs to fix them. County figures are a starting point for a farm plan. They are not a parcel survey.

Dryland wheat and pulses with irrigated land near Milk River and Warner, and ranching in the coulees. Groundwater allocation from the Milk River aquifer is a real constraint.

Well depth and water table for farm operators

Nearby well records suggest completed wells around 60 m deep in County of Warner, with static water levels often in the 10–35 m range. The predominant aquifer on file is Milk River Formation sandstone. The depth and static-level figures are regional estimates from typical Alberta well records in this belt, not a surveyed water table on your parcel.

Warner County sits on the Milk River aquifer, one of the best-studied in Alberta. The sandstone is productive but under long-term pressure decline, and wells are deeper than in central Alberta. Chemistry is generally good; sodium rises toward the north.

For livestock, plan for peak summer demand and for winter freeze-up. For irrigation, a well rarely replaces a licensed surface source, and diverting water for irrigation generally needs a Water Act licence. Only a pump test tells you yield, and a county average does not.

Frost-free days and hardiness zone

County of Warner is generally treated as hardiness zone 4a, with a frost-free window on the order of 125 days. The zone is read from the Natural Resources Canada plant hardiness map (4th edition, 1991–2020 normals) at a representative quarter; frost dates are a regional table keyed by zone, not a logger on your fence.

Zone 4a with about 125 frost-free days and high heat units. Chinooks make winter unpredictable for perennials.

Match variety maturity to the shorter, colder number, not the longer one. After an early harvest, a cover crop needs seed in the ground fast, and a 4R nitrogen plan helps you time inputs to the season you actually get. More on the zone: hardiness zone in County of Warner.

Wetlands, sloughs, and flood limits on the field

Wetland density in County of Warner is best described as low. Notable mapped or commonly discussed flood-hazard areas include Milk River valley, Verdigris Lake lowlands, Writing-on-Stone coulees.

Natural wetlands are sparse and often alkaline. The Milk River valley carries flood fringe, and coulee slopes limit building.

Alberta regulates changes to wetlands and watercourses. Draining, filling, or ditching a wet area can require approval under the Water Act, even when it looks like a low spot in a field. Read the Alberta wetland policy guide before you order a ditcher, and price field drainage only after you know what is allowed.

Work packages farm operators ask about

Check grant fit before you spend

Alberta's producer programs run through Sustainable CAP, with streams for water, landscapes, efficiency, and value-added work. The federal On-Farm Climate Action Fund has supported nitrogen management, cover crops, and rotational grazing. Rates, caps, and intake change, so use the grant eligibility quiz to see what may apply, then confirm with the program administrator.

Sampled data for County of Warner

From a Land Intelligence report run on a representative quarter in Township 5, Range 19, 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.

Median completed depth21.5 m18 records within 5 km of the sample
Middle half of wells10.6–41.5 mshallowest 3.0 m · deepest 213.4 m
Median static level5.2 mbelow ground, where recorded
Annual mean7.8 °Clow -24.7 °C · high 36.1 °C in the sampled year
Days with frost128in the sampled year
Frost windowMay 12 – Sep 20regional table for zone 4a
Growing degree days2037base 5 °C
Precipitation380 mm/yr30-year normal at the sample point
Fixed south array yield982 kWh/kWp/yrlatitude tilt, rough feasibility only
Annual insolation1259.3 kWh/m²global, horizontal
Soil at the sampleLoamDark Brown Chernozemics
Farmland value context$7,629/acretransfer average, FCC-trend adjusted; not an appraisal
Nearby well records in County of Warner: completed depth (down) versus distance from the sample point0 m55 m110 m165 m220 m0.0 km1.2 km2.5 km3.8 km5.0 kmmedian 21.5 m1.0 km away: completed 10.1 m, static level 2.1 m1.4 km away: completed 3.7 m1.6 km away: completed 24.7 m, static level 15.2 m1.6 km away: completed 213.4 m2.5 km away: completed 11.1 m, static level 3.1 m2.6 km away: completed 21.1 m, static level 9.1 m2.9 km away: completed 10.4 m, static level 2.4 m2.9 km away: completed 42.5 m, static level 30.5 m3.3 km away: completed 3.0 m3.5 km away: completed 8.6 m, static level 0.6 m3.7 km away: completed 160.4 m, static level 152.4 m3.9 km away: completed 38.5 m, static level 30.5 m4.0 km away: completed 73.2 m4.0 km away: completed 16.3 m, static level 4.3 m4.2 km away: completed 70.1 m4.4 km away: completed 26.3 m4.4 km away: completed 21.9 m, static level 1.5 m4.9 km away: completed 18.1 m, static level 6.1 m
Each dot is one provincial well record near the sampled quarter: distance across, completed depth down (deeper is lower). Hover a dot for its values. The dashed line is the median. Records are shown by distance only; no locations are published.
Monthly average high and low temperature, County of Warner-10300 °CJanFebMarAprMayJunJulAugSepOctNovDecJan: average high 2.9 °C, average low -5.4 °CJan: average high 2.9 °C, average low -5.4 °CFeb: average high 4.1 °C, average low -5.2 °CFeb: average high 4.1 °C, average low -5.2 °CMar: average high 7.4 °C, average low -3.5 °CMar: average high 7.4 °C, average low -3.5 °CApr: average high 10.7 °C, average low -0.5 °CApr: average high 10.7 °C, average low -0.5 °CMay: average high 19.5 °C, average low 8 °CMay: average high 19.5 °C, average low 8 °CJun: average high 18.1 °C, average low 9.3 °CJun: average high 18.1 °C, average low 9.3 °CJul: average high 27 °C, average low 15.2 °CJul: average high 27 °C, average low 15.2 °CAug: average high 24.2 °C, average low 12.8 °CAug: average high 24.2 °C, average low 12.8 °CSep: average high 18.8 °C, average low 9 °CSep: average high 18.8 °C, average low 9 °COct: average high 14 °C, average low 3.9 °COct: average high 14 °C, average low 3.9 °CNov: average high 7.3 °C, average low -1.3 °CNov: average high 7.3 °C, average low -1.3 °CDec: average high 2.1 °C, average low -9.1 °CDec: average high 2.1 °C, average low -9.1 °C27 °C-9.1 °CAverage daily highAverage daily low
Open-Meteo daily archive (ERA5 reanalysis), 2025-10-09 to 2026-10-09: one recent year at the sample point, not a 30-year normal. Use it for the shape of the year, not for a design value.
Monthly horizontal irradiance, County of Warner (kWh/m²/day)Jan: 1.2 kWh/m²/dayJFeb: 2.09 kWh/m²/dayFMar: 3.33 kWh/m²/dayMApr: 4.41 kWh/m²/dayAMay: 5.28 kWh/m²/dayMJun: 5.82 kWh/m²/dayJ5.82Jul: 5.92 kWh/m²/dayJAug: 5.06 kWh/m²/dayASep: 3.65 kWh/m²/daySOct: 2.26 kWh/m²/dayONov: 1.24 kWh/m²/dayNDec: 0.93 kWh/m²/dayD0.93
Horizontal irradiance by month from the report pipeline's insolation tables at the sample point. June and December are labelled; the ratio between them sizes an off-grid battery bank.

Growing zones near County of Warner: Lethbridge (zone 4b) · Taber (zone 4a) · Cardston (zone 4b) · Alberta growing zones map

Neighbouring counties: Lethbridge County (46 km) · MD of Taber (55 km) · Cardston County (64 km) · County of Forty Mile (88 km) · Compare County of Warner with another county

Sampled from the live report pipeline at a representative quarter in Township 5, Range 19, W4 on 2026-10-08: hardiness zone, solar irradiance (18 well records within 5 km). Kept as regional estimates: well depth (only 18 nearby records at the sample point). Text reviewed 2026-10-08. Methodology.

Common questions

How deep are farm wells in County of Warner?

Nearby records point to roughly 60 m as a planning figure. Your parcel can differ a lot, so a pump test matters more than the county average.

How long is the growing season in County of Warner?

Plan around about 125 frost-free days, then check your own field for frost pockets and shorter windows.

Do I need approval to drain a wet field in County of Warner?

Often, when a wetland or watercourse is involved. Confirm with Alberta Environment and Protected Areas before you dig.

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