Commercial property owners
Stormwater Impervious Evidence Packet
One decision: for this specific site, is there a documentary basis worth spending $500-$2,000+ on a licensed survey and staff time to file an appeal or credit application — or is the utility's number close enough to our independent measurements that the file should be closed?
$95
Delivered while you wait.
Type an address, get the finished PDF. No site visit, no
appointment, no queue.
Run it on an address
See a real one →
What is on it
19 lines, three maps and charts, and one page of answers. Anything we cannot answer for a property says so rather than being left blank.
Governing local jurisdiction
Address falls within a building footprint
Distance to the nearest building
Building occupancy class
Buildings within the search radius
All buildings on site, with footprint and class
Reference footprint area
Measured footprint area
Footprint measured directly
Roof sample coverage and obscured share
Measurement date
Difference between the two footprint areas
Sealed ground share
Sealed and unsealed ground area
Area analyzed, with its dimensions
Sealed ground coverage available
Hydrologic soil group
Design storm depth
Receiving subwatershed and nearest waterway
What it is not
- No parcel impervious total.
- No runoff volume, detention requirement, BMP sizing or drainage design.
- Not a survey and not an instrument of record.
- No statement that the bill is wrong, no recommended fee adjustment, no dollar saving estimate, no advice to file.
- No claim about what the sealed surface is made of.
- No date of construction and no change over time.