Plaquemines Parish, LA Roof Snow Load - 0 psf
What ASCE 7 says about snow load in Plaquemines Parish
That's Plaquemines Parish's design roof snow load per ASCE 7-22, for a typical heated single-family home - the number a permit reviewer starts from.
Converted to something you can actually eyeball on a roof: about 0 in. of fresh powder, 0 in. once it settles and packs down, or just 0 in. if it's turned to ice. This county’s ground snow load maps to zero - snow load is not a driver of roof design here.
Plaquemines Parish at a glance
- Design roof snow load0 psf
- Ground snow load, ASCE 7 map0 psf
- National rank#2,660 of 2,758
- Louisiana rank#57 of 64
- Population22,289
- Annual snowfall, NOAA normal0 in.
- FIPS22075
Where Plaquemines Parish's figure sits nationally
Out of 2,758 rated US counties, Plaquemines Parish sits at #2,660, the top 96% nationally - #57 of 64 within Louisiana. Louisiana counties average 2.4 psf; Plaquemines Parish runs 2.4 psf lower than that.
Near 29.2824°N 89.5761°W, FIPS 22075: Plaquemines Parish counts 22,289 residents and a 0 psf map value, which the code's own factors turn into 0 psf.
How much it actually snows in Plaquemines Parish
Most winters bring Plaquemines Parish roughly 0 in. of snow - NOAA's normal at GRAND ISLE, LA US, 25.2 mi off. Worth noting: the nearest station reporting snowfall normals sits 25.2 mi from Plaquemines Parish's center, so treat this as a regional figure rather than an exact one. (fresh vs. packed vs. ice explains why.)
Read this before you rely on it
Plaquemines Parish's number above is ASCE 7-22's default case, not a custom calculation: ordinary residential occupancy, heated, sited on ground that's neither fully sheltered nor fully exposed. Any one of those changing - pitch, exposure, heating, occupancy - moves the real figure.
Nothing here substitutes for an address-level number. Get one free, in about a minute, from the ASCE 7 Hazard Tool using your own coordinates rather than Plaquemines Parish's county-wide figure. (How this figure is calculated.)