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Let it Flow: Keeping Storm Drains Clean

Written by Wessler Engineering | Oct 7, 2025 6:00:00 PM

When you hear about protecting our rivers, lakes and streams...what do you think of? Proper waste disposal? Using less chemicals? Properly disposing of plastics and other supplies? Picking up “extras” left by that one neighbor’s dog from down the street? 

Those are all great things to help the environment, but we’re here to talk about the often-overlooked storm drains (preferably ones without creepy clowns with red balloons).

These openings on our streets play a critical role in keeping our communities safe and our waterways clean. Unfortunately, when storm drains are blocked by debris, they can’t do their job properly — leading to localized flooding, infrastructure damage, and polluted water. 

Debris is De-problem 

Storm drains are designed to move rainwater quickly away from streets, parking lots, and neighborhoods. Unlike wastewater or drinking water, which travel to treatment plants, stormwater typically flows directly into nearby waterways with little or no treatment. 

When leaves, trash, grass clippings, litter you walked by earlier, and other debris pile up on top of storm drains, several problems occur: 

  • Flooding – it’s hard for a drain to carry water if the water can’t get in it. Clogged drains mean streets, sidewalks, and even homes are at greater risk of flooding during heavy rain. 

  • Water Pollution – debris and litter that wash into drains end up in rivers and lakes. This can include plastics, chemicals, and yard waste that degrade water quality and harm aquatic life. 

  • Infrastructure Strain – blocked stormwater systems put extra stress on pipes, culverts, and roadways, increasing the need for costly repairs and maintenance. 

Everyday Actions Make a Difference 

The good news is that preventing debris in storm drains is something everyone can help with. Small, everyday actions add up to big results for your community and environment: 

  • Never dump waste into storm drains. Oil, paint, chemicals, or even soapy water from washing cars should never be poured into drains. They flow directly to streams and lakes, where they cause significant harm. 
  • Bag yard waste. Leaves, grass clippings, and branches should be collected and disposed of properly instead of being swept into the street. Many communities offer yard waste collection or composting services. 
  • Secure your trash and recycling. Make sure bins are closed tightly so that lightweight items like plastic bottles, wrappers, and paper don’t blow into the street. 
  • Pick up litter. If you see trash on sidewalks or near drains, take a moment to dispose of it in a nearby bin. Even a single piece of plastic can clog a drain or pollute waterways. 
  • Adopt-a-Drain. Many cities have programs that allow residents to “adopt” a local storm drain. By periodically clearing leaves, trash, and sediment, neighbors play an active role in preventing flooding and protecting water quality. 

Community Benefits 

Clean storm drains protect everyone by reducing the likelihood of flooded intersections, keeping public spaces more enjoyable, and improving the health of nearby waterways. Reducing pollution also supports wildlife habitats and safeguards drinking water sources. 

Out of Sight (but not Out of Mind) 

Storm drains might be out of sight, but they should always be on our mind. Keeping them clear of debris is one of the simplest and most effective ways all of us can contribute to a healthier environment and a safer community. The next time you see leaves or trash near a storm drain, remember: a few minutes of prevention can save a lot of trouble down the line.