17
City replaces 30% of its parking lots with permeable surfaces; floods drop
The city's open data dashboard lets you check the claims yourself.
Cedar Hollow converted 180 lots over four years. Street flooding reports fell 44% in comparable storms. Cost was about $9 per square foot.
Read it at the source
Cascadic Analysis 2
Call to ActionBring the numbers to your city council
How can you help?
Many councils are considering this. Concrete cost and flooding data are persuasive.
2
DownstreamLower insurance claims follow
What are the second-order effects?
Fewer flooded basements means fewer claims. Insurers may start offering discounts in these areas.
5
Rabbit Holes
-
How permeable pavement worksOne diagram. · Fernbank Review · Wade · 5 min6