Can I Be Held Liable for Past Contamination on a Property I Buy? š¤šļø
- Sam Siegl
- Jul 18
- 2 min read

Buying a property is exciting, but what if you find out later that it was contaminated before you bought it? š¬ You might be wondering: Can I be held responsible for that contamination, even if I didnāt cause it? Ā In Albertaāand across much of Canadaāthe answer is,
unfortunately, yes. Hereās what you need to know. š§
š„ Yes, You Can Be Held LiableāEven If You Didn't Cause the Problem
Environmental liability in Alberta is strict. That means the current owner of a contaminated property can be held financially and legally responsibleĀ for contamination, even if it happened decades ago. šļø You could be on the hook for costly cleanups and potential legal actionāeven if you had nothing to do with the original source of contamination.
š How to Protect Yourself Before You Buy
Before signing on the dotted line, hereās what you can do to limit your risk:
ā Phase I Environmental Site Assessment (ESA)
A Phase I ESA is the first line of defense. It includes a historical review, site inspection, and interviews to determine if thereās a risk of contamination. Think of it as a background check for your property. šµļøāāļøš
š§Ŗ Phase II ESA (If Needed)
If the Phase I ESA identifies any potential issues, a Phase II ESA may be recommended. This includes soil and groundwater samplingĀ to confirm the presenceāor absenceāof contamination. š§«š
š¼ What If You Already Bought the Property?
If you already own a property and learn that itās contaminated, youāre not out of options. Hereās what to do:
Conduct a Phase I ESAĀ if you havenāt alreadyāthis can help document what you knew at the time of purchase. š§¾
Consult an environmental professionalĀ (like us!) to assess your legal exposure and explore remediation solutions. š ļø
Report the contaminationĀ to Alberta Environment and Protected Areas (AEPA) if required. šļø
šØāš¼ Why Work With Nexus Environmental?
At Nexus, we help buyers across Alberta make informed, confident decisions. Whether youāre purchasing a commercial, industrial, or even rural property, our ESAs are designed to reduce your liabilityĀ and give you peace of mind. š¼š
š Letās Talk Before You Buy
Avoid surprises. Protect your investment. Get the answers you need. Call us today or fill out our online form to book a Phase I ESA for your property.




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