Cistern vs. Water Well: What’s the Difference Today?

Canada is home to one of the world’s largest renewable freshwater supplies, making private water systems like water wells and cisterns a practical option for many rural and acreage properties. If you’re weighing your options, here’s an up-to-date breakdown to help you decide which system fits your property and lifestyle best.

What Is a Water Well?

A water well draws groundwater from beneath the surface. Once drilled, water is accessed using a pump system and delivered directly into your home.

Why homeowners choose wells:

• Reliable, continuous water source

• Minimal involvement once installed

• Well-suited to Canada’s abundant groundwater resources

  
  

What Is a Cistern?

A cistern is a water storage tank, installed above or below ground. Rather than tapping groundwater, cisterns store water—most commonly rainwater, but sometimes water delivered or pumped from a well.

Why homeowners choose cisterns:

• Independence from municipal water systems

• Ideal for properties where wells aren’t feasible

• Rainwater can be reused for non-potable needs like toilets and irrigation

  
  

Cisterns vs. Water Wells: Key Differences

Water Supply Reliability

• Wells provide ongoing access to groundwater without the need to monitor storage levels.

• Cisterns require regular monitoring and refilling, and capacity limits can be challenging during extended dry periods.

  
  

Installation & Ongoing Costs

• Cisterns typically have higher upfront costs and require periodic cleaning and maintenance.

• Wells generally cost less to maintain long-term, though they rely on electricity to operate pumping systems.

  
  

Longevity

• Poly cisterns commonly last 20+ years

• Steel cisterns can last 30 years or more

• Properly constructed wells often last 25 years or longer

  
  

Water Quality & Safety

Municipal systems can be affected by aging infrastructure, including service lines and household plumbing. Private systems—whether wells or cisterns—put water quality control directly in your hands.

• Wells require routine testing and occasional treatment.

• Cisterns using rainwater must include filtration and disinfection systems to ensure safe, usable water.

  
  

Which Option Is Right for You?

The best choice depends on your property, geology, usage needs, and long-term goals. Some homeowners even use both systems together—drawing water from a well while using a cistern for storage and backup.

Your Trusted Water System Partner in Sherwood Park

Whether you’re planning a new water well or exploring cistern solutions, Westar Drilling Ltd. has you covered.

Since 1988, our team has delivered reliable, high-quality water system solutions for residential, agricultural, and commercial clients across Alberta.

Ready to get started?Talk to our team today and get expert guidance from one of the most trusted names in the industry.