- The SPU Spill Responder team at a training exercise.
- A semi truck accident and fire resulted in a spill to the Duwamish Waterway. The spill deployed a water and land crew to mitigate the spill.
- A spill of kerosene to Longfellow Creek in West Seattle.
- Spill Responders collect oil that is washing onto rocks after a large accident involving a truck spilled fuel into Lake Union.
- Spill Responders deploy boom around an outfall after an accident on I5. The drains from I5 drain to Lake Union.
- A contractor incorrectly disposed of concrete washwater, causing a discharge to the storm drain system.
- A tank explosion resulted in a discharge of metal hydroxide to the sanitary and storm drain system.
- A contractor disposed of floor wax wastewater to the street, causing a discharge to the storm drain system.
- A side sewer back up resulted in a wastewater discharge to the drainage system, which discharges to nearby Thornton Creek.
- A semi truck accident resulted in a release of automotive fluids.
- Improper storage of grease and other chemicals resulted in a release to the street and drains.