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Stormwater Program

The goal of the City’s Stormwater Management Program is to manage the drainage infrastructure, in order to minimize pollution from entering our local waterways. Best Management Practices are implemented to meet federal requirements established by the Clean Water Act, and issued through a PaDEP MS4 NPDES permit. The program is comprised of many elements which act to reduce runoff volume, pollution, and localized flooding, while promoting public safety and improving the water quality of the streams and the Lehigh River, which flow through Allentown. Long-range goals of the program include replacing and upgrading aged infrastructure, understanding and addressing stream impairments, and educating and partnering with our community to help reduce environmental impacts.

Report Stormwater Pollution

Polluted runoff.


Help to keep pollution out of our streams by reporting spills and illegal dumping. Paint, motor oil, dirt, cooking grease, and other pollutants which enter inlet grates in the streets, travel through underground pipes and pollute our streams.

To Report a Spill or Illegal Dumping:

  • Call 911 for an emergency
  • Call 610.437.7636 during business hours (7:00 am - 3:30 pm)
  • Call 610.437.7751 after hours and on weekends
  • Submit an online report by visiting the Contact Us page of the website

Protect Our Streams with these Seasonal Stormwater Tips

Leaves clogging a storm drain

Although leaves may seem harmless and are biodegradable, when in excess, they can pose a threat to water quality and contribute to localized flooding by blocking storm drains.

Rain washes leaves into storm drains where they make their way into streams and rivers. Once they enter the water, excess leaves may shade aquatic life that need sunlight to live. Also, decomposing leaves release nutrients that stimulate algae growth. Algae blooms change the taste of your drinking water and deplete oxygen that stream bugs and fish need to breathe.

How can you help?

  • Simply use your lawn mower to mulch leaves directly on your lawn. (Set the height to around 3 inches). By shredding them, you are using the leaves as a natural fertilizer and returning nutrients to your lawn.
  • If you prefer to bag grass clippings and shredded leaves, empty them on your vegetable and flower beds or around your trees and shrubs to help suppress weeds. Compost leaves and use them next year in your gardens.
  • Starting October 25th, leaf removal is provided free of charge to Allentown residents. Place leaves in the street close to your scheduled start date. If a storm drain is located in front of your house, keep the inlet grate free of debris.
  • For more information on leaf removal, please visit: Leaf Removal Program page.

Thank you for keeping our watersheds healthy!

Contact Information
Angela DiBuo
MS4 Coordinator

Robert Thomas
Stormwater Manager

Michael Lichty
Environmental Engineer

Radu Lungu
Stormwater Monitoring Coordinator

Scott Reppert
Maintenance Supervisor

Jason Hertz
Maintenance Supervisor