Why Is Lake or Pond Water Murky?

• Sediment Stirring Up: Fish activity, wind, or even heavy rain can kick up dirt, sand, and other particles, making the water cloudy. If your pond has a lot of fish, especially bottom-feeders like catfish or carp, they may be stirring up the sediment as they forage for food.
• Algae Blooms: While some algae are normal in a healthy ecosystem, too much can lead to water looking discolored or even slimy. Algae blooms are often caused by excess nutrients in the water, usually from runoff containing fertilizers, manure, or decaying organic matter like leaves.
• Erosion: If the edges of your pond or lake are eroding, the soil may be washing into the water, making it cloudy.
• Organic Decay: When plants, leaves, and other organic materials break down in the water, they can release tannins which make the water look tea-colored or brown.
• Runoff and Pollutants: Nearby construction, agriculture, or even your lawn can contribute to murky water.

How to clear up a murky pond or lake

Now that you know why your water is murky, let’s talk about how to fix it. Clearing up a pond or lake takes time and effort, but you can restore your water to its natural beauty with the right approach.

• Control Sediment: Installing an aerator or fountain can help keep water moving without disturbing the sediment. If fish are the issue, consider adjusting the population or even adding a layer of gravel or sand to the bottom to make it harder for sediment to get stirred up.
• Tackle Algae Blooms: To prevent algae blooms, focus on reducing the amount of nutrients entering the water. Create buffer zones, use an algaecide, or introduce beneficial bacteria that outcompete algae for resources.
• Prevent Erosion: Plant native vegetation along the shoreline or consider using erosion control blankets or rock barriers to stabilize the edges of your pond or lake.
• Remove Organic Material: Regularly skim leaves and other debris from the surface. If a lot of material has already sunk to the bottom, you may need to hire a lake or pond maintenance professional to dredge the pond.
• Manage Runoff: Ensure you have good drainage systems in place, and try to divert runoff away from the water.

Hire uniformed maintenance specialists

If you are looking for professional lake and retention pond maintenance, then consider Aquatic Restoration. With over 40 years of industry experience, we have the expertise and equipment to turn your water body into what it’s meant to be.