Tag Archives: discharges st lucie river

Irma’s Waters Ravage the St Lucie River/Indian River Lagoon, SLR/IRL

Hurricane  Irma may be gone, but her waters are not. Our now black river and the giant plume off the St Lucie Inlet attest to this. Clean rain that fell in our region during the hurricane is now filthy “stormwater” discharging, unfiltered, through manmade canals C-23, C-24, C-25, and C-44.  Nature did not design the river to directly take this much water; this much water kills.

Every plume looks different, and this one is multilayered with no clear border. Sediment soup, black-brown in color, yesterday it extended out about 2/3 of a mile into a stirred up Atlantic and flowed south, in the rough waves not quite having made it to Peck’s Lake.

Since Hurricane Irma’s rains, area canals dug with no environmental foresight in the 1920s and 50s for flood control, and to facilitate agriculture and development, have been flowing straight into the river. On top of this, in anticipation of the hurricane, three days prior to IRMA the Army Corp of Engineers began discharging from Lake Okeechobee. During the hurricane they halted, and then started up again at high discharge levels reaching over (4000 cfs +/-) this past Friday, September 15th. As Lake Okeechobee rises and inflow water pours in from the north, and is blocked by the Everglades Agricultural Area in the south, we can expect more Lake O discharge on top of the canal releases themselves.

As advocates for the St Lucie River we continue the fight to expedite the building of the EAA reservoir and to create a culture to “send more water south.” In the meantime, we, and the fish and wildlife, and the once “most bio diverse estuary in North America,” suffer…

Links to lake O level and canal flows are below.

Lake Okeechobee level, 9-18-17: 15.50, http://w3.saj.usace.army.mil/h2o/currentLL.shtml

S-308 Lake O:http://w3.saj.usace.army.mil/h2o/plots/s308d.pdf

S-80 C-44 Canal:http://w3.saj.usace.army.mil/h2o/plots/s80d.pdf

C-23/S-97; C-24/S-49, & C-25/S-50: (click on highlighted S # arrow corresponding to canal to see discharge into river; for instance, C-23 is released through “S,” structure 97, so click on S-97 to see flows for C-23 canal) http://my.sfwmd.gov/portal/pls/portal/realtime.pkg_rr.proc_rr?p_op=FORT_PIERCE

My brother Todd, has complied many other links on his website’s favorites under St Lucie River and ACOE/SFWMD: http://www.thurlowpa.com/news.htm

Post Irma flight over St Lucie River/IRL 9-17-17

SFWMD canal and basin map. C-44 canal is the canal most southerly in the image. All canals shown here discharge into the SLR/IRL.
The confluence of the St Lucie River and Indian River Lagoon at Sewall’s Point, an area once full of seagrasses and fisheries and formerly considered the heart of “the most bio diverse estuary in North America.”
Waves in plume breaking over offshore reefs; looking north to Hurchinson Island.
Southern edge of plume along Jupiter Island and Jupiter Narrows south of St Lucie Inlet.

Looking south off St Lucie Inlet.
South edge of plume looking south towards Jupiter Island.

JTL 9-18-17