GOOD TO KNOW
When cars are washed on hard surfaces like streets, parking lots or driveways, the wash water (including the soap, dirt, grease and other pollutants) drains into the stormwater system and flows directly into our local waterways– polluting the water we swim in and the seafood we love to eat.
GOOD TO DO
- The best option is to partner with a commercial car wash and hold your fundraiser there. You can also sell commercial car wash coupons as a fundraiser instead of holding a car wash event.
If you do host your own car wash fundraiser, follow these guidelines.
- Use biodegradable, phosphate-free, water-based cleaners only.
- Minimize water usage and runoff by using a hose nozzle with flow restrictions.
- Wash on an area that absorbs water, such as gravel or grass. These surfaces can filter water before it enters local waterways. Avoid washing cars on concrete or asphalt pavement unless it drains into a vegetated area.
- Place plastic sheeting and then a heavy rubber mat over the storm drain area to prevent wash water from entering the stormwater system. Rolled up towels can be placed around the edge of the mat to increase its watertightness.
- Use sandbags, rolled towels, hoses or other materials to divert the water runoff to an area that absorbs water, such as gravel or grass.
- Wring sponges and rags into a bucket instead of onto the ground.
- Always empty wash buckets into a sink, toilet or vegetated area.