How to Drain Pool Without Killing Grass

Maintaining a pool can be hard work, especially if you don’t know the necessary steps and protocols. One of the most challenging aspects of pool maintenance is draining it without harming or killing your surrounding grass.

How to Drain Pool Without Killing Grass

That’s why we put together this guide to show how to drain pool without killing grass. Learn what process works best for keeping all elements in check when attempting this task and read on to understand how proper drainage can help balance out both aquatic life and greenery.

Step-by-Step Guidelines on How to Drain Pool Without Killing Grass

Step 1: Obtain Permission from the Local Water Authority

Before draining your pool, it’s important to ensure you have permission from your local water authority. This is because some areas require that any kind of swimming pool draining be done through a licensed contractor or in accordance with special regulations. This will also help ensure that any wastewater or runoff from your pool is free of contaminants.

Step 2: Test the Water Level

Before you start draining, make sure to test the water level to determine how much needs to be drained and whether it’s safe for grass in the surrounding area. With a basic pH testing kit, you can monitor the pH level and adjust accordingly if it’s too high or low. You should also have a plan in place for removing excess water from your pool, as keeping the water levels balanced is essential for protecting your grass.

Monitor the Ph Level of Pool

Step 3: Use a Drainage System

A drainage system will help direct any pooled water away from the surrounding grass and other plants. These systems are easy to install and can be used to prevent any water from running off into the lawn and causing damage. Using a drainage system is the best way to keep your pool from flooding and harming the grass.

Step 4: Use Soil Amendments or Compost

If you’re concerned about killing off any of your surrounding lawn or vegetation, you can use soil amendments or compost to help protect it. These amendments will naturally absorb excess water and help to keep the grass alive. It’s important to make sure you choose amendments that don’t contain any chemicals or fertilizers, as they can be harmful to plants and aquatic life.

Use Soil Amendments

Step 5: Monitor Water Levels Regularly

Lastly, it is essential to regularly monitor your pool water levels. This will help you catch any potential problems before they become too serious. Additionally, it will also allow you to make sure the pool is balanced and the water isn’t getting too high or low.

By following these steps, you can easily drain your pool without killing off any grass and other plants in your surrounding area. Just remember to always obtain permission from the local water authority, test the water levels regularly, use a drainage system and soil amendments, and monitor your pool’s water levels continuously. 

With these tips in mind, you can safely and responsibly drain your pool without causing any damage to your lawn or vegetation.

Additional Tips and Tricks to Drain Pool Without Killing Grass

Using a Wet Vac to Draw Water Out
  1. Try using a wet vac to draw water out of the pool. This may be slower than draining it all at once, but it will help minimize flooding and damage to your lawn or garden. Ensure that you switch off the power when using any electrical equipment such as a wet vac in or near water sources.
  2. Drain the water slowly over time to keep your lawn or garden from being damaged. If you have access to a hose, fill it up with pool water and just let it drain out on its own. This may be less convenient but will help reduce the risk of flooding and damage.
  3. Consider using a sump pump to draw out the water. This can be especially useful if you have a shallow pool or limited access to a hose. Again, make sure the power is switched off before using any electrical equipment near a water source.
  4. If necessary, use absorbent materials such as sandbags or straw bales around your lawn or garden to contain any runoff from the pool. This will help catch any excess water and reduce the risk of flooding or damage to your lawn or garden.
  5. Once you’ve drained the pool, keep an eye on your lawn or garden for signs of stress or other damage. If necessary, apply fertilizer or take other measures to revive it. You may also want to keep a close eye on your pool’s pH levels and add chemicals as needed to help maintain the balance.
  6. By following these tips, you can drain your pool without killing grass. However, it is important to take all necessary safety precautions when using electrical equipment near water sources and also to watch for signs of stress or damage in your lawn or garden. Taking care to drain the pool slowly and responsibly will go a long way toward helping you maintain a healthy and vibrant outdoor space.

Things You Should Consider to Drain Pool Without Killing Grass

  1. Test the soil’s pH prior to draining your pool – it should be around 7 or 7.5 on the pH scale. If your soil is overly acidic, you will need to adjust this before you drain your pool as acidic water can damage grass and other vegetation in your yard.
  2. When draining your pool, adjust the water pressure and flow rate of the pool pump to help minimize damage to your grass. This can be done by using a valve or reducing the size of the outlet hose.
  3. If possible, try to keep the level of water in the pool at a minimum as you drain it, so that there is less force on your grass.
  4. Dig a trench to divert the water away from your pool and into the nearest storm drain or ditch. This will help to disperse the water quickly and reduce any potential damage to the grass.
  5. When the water is drained, give your lawn some much-needed nutrients by adding fertilizer and organic matter like compost. This will help to promote healthy grass growth in the future and restore any damage that was caused by poor drainage.
  6. Lastly, water your lawn thoroughly after you’ve drained the pool to make sure it gets adequate hydration and can grow back strong and healthy. With these tips in mind, you should be able to drain your pool without having to worry about killing the grass in your yard!
Using a Valve

Following these considerations when draining your pool will help you avoid any unnecessary damage to your grass while also ensuring that your pool is properly drained and ready for use. So don’t forget to follow these tips next time you need to drain your pool. You just might be surprised by the results!

Frequently Asked Questions

What Do I Need to Do Beforehand?

Before draining your pool, you should check the labels on any chemical products used in your pool. Make sure they are safe for use around grass and other vegetation. Additionally, it’s important to be aware of any underground utilities that may run near or through your yard before beginning any work.

How Long Will It Take to Drain the Pool?

The amount of time it takes to drain a pool depends on several factors, including the size of the pool, the type of pump you have, and the elevation difference between your pool and where you are draining it. Generally speaking, it can take anywhere from a few hours to a few days.

Will the Draining Affect My Lawn?

Draining your pool can have an impact on your lawn, depending on how long you let it sit empty and what kind of drain you use. To minimize the damage done to surrounding vegetation such as grass, be sure to use a slow-drain valve or a sump pump and dump the water out slowly over several days. This will give your lawn time to adjust. Additionally, make sure you refill the pool after it has been drained for an extended period of time in order to prevent it from drying out too quickly.

Can I Use Any Water Source To Refill My Pool?

It’s important to use clean, untreated water when refilling your pool. The best source for this is a hose connected to an outdoor faucet or a garden irrigation system. This will reduce the chance of introducing any contaminants into the pool and help prevent damage to your lawn. Additionally, make sure not to overfill your pool so that it does not overflow and cause damage to your lawn.

Are There Any Environmental Considerations I Should Keep In Mind?

Yes, when draining a pool there are several environmental considerations you should be aware of. Make sure not to release any chemicals or contaminants into nearby bodies of water, and take extra care to prevent any soil erosion around the pool area. Additionally, make sure not to let your pool sit empty for an extended period of time as this can lead to water pollution and damage to surrounding vegetation.


Learning how to drain pool without killing grass can be a difficult task. However, with the right preparation and consideration, it is possible to do this safely and effectively. 

Make sure to use a slow-drain valve or sump pump in order to minimize the damage done to surrounding vegetation, refill your pool after extended drainage periods, use clean water sources for refilling, and consider any environmental impacts before beginning the task. By following these tips, you can successfully drain your pool without killing your grass.

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