
Do you know What’s in Your Runoff?
Pollution from stormwater runoff is the #1 health threat to our waterways. Every time it rains pollution washes off your property and starts its journey through the watershed to the James River.
Want to know how much nitrogen and phosphorus pollution your home contributes to the James River? To find out, enter a few simple facts about your home into the Runoff Calculator. It’s easy:
- Find your house on the map by entering an address
- Enter the size of your lot
- Enter the % of impervious surfaces: roof, sidewalks, paved areas
- Answer a few simple questions about your home…

and receive your personalized runoff pollution report.
You’ll also find suggestions for reducing your pollution impact on local waterways.
Are you ready to find out what’s in your runoff? Go to the calculator.

