Alert: NC Water Officials Warn About Discolored Water Hazards

Summer Safety Alert: Avoiding Algal Blooms in North Carolina Waters

As the summer heat intensifies across North Carolina, I find myself reminiscing about cooler days spent hiking along the pristine streams of the Great Smoky Mountains. There’s something magical about those crystal-clear mountain waters that has captivated me throughout my years writing about the region. But this summer, whether you’re in the Smokies or anywhere else in North Carolina, there’s an important warning we all need to heed.

The N.C. Department of Environmental Quality’s Division of Water Resources recently issued a reminder that’s crucial for anyone planning to enjoy our state’s beautiful waterways: be cautious around discolored water that might indicate an algal bloom.

Understanding Algal Blooms: A Natural Phenomenon with Potential Risks

While algae naturally exist in all waterbodies (yes, even those pristine Smoky Mountain streams I love so much), certain summer conditions can create perfect storms for rapid algal growth. When temperatures soar and nutrients are abundant, these microscopic organisms can multiply explosively, forming what we call algal blooms.

These blooms often appear as:

  • Discolored patches in the water (green, blue-green, red, or brown)
  • Surface films or scums
  • Floating mats or clumps
  • Discoloration throughout the water column

I’ve seen these transformations happen even in normally beautiful lakes—it’s like watching a watercolor painting blur before your eyes, with vibrant greens or unusual colors spreading across the surface.

Why Should You Be Concerned About Algal Blooms?

Not all algal blooms are harmful, but some can produce toxins that pose serious health risks to humans, pets, and wildlife. Having written about outdoor recreation for years, I’ve heard firsthand accounts of the consequences of accidental exposure.

Potential Health Impacts

Exposure Type Possible Symptoms
Skin Contact Rashes, irritation, allergic reactions
Ingestion Stomach pain, vomiting, diarrhea, liver damage (in severe cases)
Inhalation Respiratory issues, allergic reactions
Pet Exposure Lethargy, difficulty breathing, seizures (can be fatal)

Recognizing Algal Blooms While Enjoying North Carolina Waters

Last summer, during a rare break from my Smoky Mountain explorations, I visited a local lake and noticed something wasn’t quite right. The water near the shore had an unusual greenish tint and small floating clumps. Thanks to previous research for my articles, I recognized the warning signs immediately and advised nearby families to keep their children and dogs away from that section of the lake.

Here’s what you should look for:

  • Water that looks like spilled paint
  • Surface scums that resemble floating mats
  • Unusual odors (often described as fishy or septic)
  • Dead fish or other aquatic animals

When in Doubt, Stay Out!

This is my personal mantra when it comes to questionable water conditions. The Division of Water Resources emphasizes this simple approach: if the water appears discolored or shows any signs of an algal bloom, avoid contact completely. No swimming, no fishing, no letting your dogs splash around—it’s simply not worth the risk.

Protecting Yourself and Your Loved Ones

If you’re planning water activities this summer (something I highly recommend when conditions are safe—there’s nothing like the rejuvenating power of a cool dip on a hot day), keep these precautions in mind:

  • Check local water quality advisories before heading out
  • Visually inspect water before entering
  • Keep pets on leashes near potentially affected waters
  • Rinse thoroughly with clean water after any contact with lakes or rivers
  • Avoid areas with visible algal accumulation

What Should You Do If You Spot a Potential Bloom?

I believe in the power of community science. If you notice what appears to be an algal bloom, you can help protect others by reporting it to the NC DEQ’s Division of Water Resources. They can investigate and issue appropriate advisories if needed.

Having spent countless days exploring the waters of North Carolina—from the misty streams of the Smokies to our coastal waterways—I’ve developed a deep appreciation for the natural cycles that sustain these ecosystems. Algal blooms, while potentially concerning, are part of these natural processes that sometimes require our respectful distance.

Stay Safe and Enjoy North Carolina’s Waters Responsibly

Despite these necessary cautions, please don’t let this warning keep you from enjoying North Carolina’s magnificent waterways completely. With proper awareness and precautions, you can safely experience the joy and restoration that comes from connecting with our state’s natural water resources.

Whether you’re planning a mountain getaway to the Smokies (my personal favorite) or a day at a local lake, being informed about algal blooms is just another way to ensure your outdoor adventures remain safe and memorable for all the right reasons.

Have you encountered algal blooms in your water adventures? I’d love to hear about your experiences in the comments below.

Source: N.C. Department of Environmental Quality’s Division of Water Resources