Hydrogen Sulfide Gas

Hydrogen sulfide (H₂S) is a gas that smells like rotten eggs. It’s common near oil and gas wells, which might even be on your property. H₂S can be dangerous, but with the right steps, you can keep your family safe.

This guide will help you find out if there’s a well on your land, what to do about it, and how to protect yourself from risks.

What is hydrogen sulfide?

Hydrogen sulfide is a gas that forms naturally in oil and gas. It’s not always easy to spot, but it’s important to be aware of because it can be harmful.

Here’s what to know:

• It smells like rotten eggs, but not always. Some leaks might not have a smell at all

• It can come from oil or gas wells, including old ones. These wells might even be hidden on your property.

If you think there’s a well on your land, it’s a good idea to check it out and take steps to keep it safe.

How can you find out if there’s a well on your property?

Not sure if there’s an oil or gas well on your land? It might not always be obvious, especially with older or abandoned wells. Here’s how you can check:

1. Look through your property records: These might mention if there’s a well.

2. Ask the Ministry of the Environment, Conservation and Parks (MECP): They keep track of oil and gas wells across Ontario.

3. Bring in a professional: If you’re unsure, a well expert can inspect your land and let you know if there’s one.

Knowing if you have a well is the first step to keeping everything safe.

Can hydrogen sulfide affect your health?

Yes, hydrogen sulfide can make you sick, depending on how much you’re exposed to and for how long.

At low levels over time, you might notice:

• Feeling tired or nauseous

• Headaches or dizziness

• Irritated eyes or trouble remembering things

At high levels, it can be much more serious and might cause:

• Passing out suddenly

• Trouble breathing or heart problems

• Death in extreme cases

If you feel unwell and think it could be H₂S, see a doctor right away.

How can you keep a well safe?

If you find out there’s a well on your property, keeping it in good shape is important. Here’s how you can do that:

• Check it regularly. Look for cracks, broken parts, or anything that seems off.

• Hire an expert for regular checkups. A professional can make sure everything is safe. and working properly

• Fix problems right away. If you spot anything wrong, don’t wait—call someone who can help.

Staying on top of maintenance helps prevent leaks and keeps everyone safe.

When should you see a doctor?

If you’ve been near a well or think you’ve been exposed to H₂S, watch for these symptoms:

• Feeling dizzy or confused

• Nausea or vomiting

• Trouble breathing

If you notice any of these, don’t wait—see a doctor as soon as you can.

What should I do next?

Here’s what to do to stay safe from hydrogen sulfide gas:

1. Check if there’s a well on your property: Look at your records or contact the Ministry of Natural Resources.

2. Keep your well in good condition: Inspect it regularly and bring in an expert for maintenance.

3. Watch your health: If you feel sick or notice symptoms, reach out to a doctor right away.

Want to learn more?

Visit the Ministry of Natural Resources webpage to find out more about managing oil and gas wells in Ontario.