ML25338A062

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Monthly Sea Turtle Report - September 2025
ML25338A062
Person / Time
Site: Saint Lucie  NextEra Energy icon.png
Issue date: 09/08/2025
From: Munne V
Florida Power & Light Co
To: Koperski M
Florida Power & Light Co
References
Download: ML25338A062 (0)


Text

Ms. Meghan Koperski FWC Imperiled Species Mgmt.

Tequesta Field Office 19100 SE Federal Highway Tequesta, Florida 33469 September 8, 2025 RE:

ST. LUCIE POWER PLANT CONDITION IX.C.1, MARINE TURTLE AUTHORIZATION

Dear Ms. Koperski,

Enclosed please find the monthly summary of marine turtle removals for the St. Lucie Power Plant for the month of September 2025. These activities were performed under FWCC Marine Turtle Permit# MTP-125 maintained by lnwater Research Group Inc., as required by Site Certification Condition IX.C.1.

The enclosure includes:

1) Email to Meghan Koperski Regarding Marine Turtle Removal Monthly Summary
2) Marine Turtle Removals
3) Capture Notes
4) Capture Summary Table If you should have any questions, please contact Aaron Garstin at (201) 301-4563.

Vince Munne Land Utilization Supervisor St. Lucie Plant I

Enclosure:

Monthly Summary of Marine Turtle Removals cc: FDEP Siting Office Florida Power & Light Company 6501 S. Ocean Drive, Jensen Beach, FL 34957

Ms. Meghan Koperski FWC Imperiled Species Mgmt.

Tequesta Field Office 19100 SE Federal Highway Tequesta, Florida 33469 RE:

ST. LUCIE POWER PLANT October 6, 2025 CONDITION IX.C.1, MARINE TURTLE AUTHORIZATION

Dear Ms. Koperski,

Enclosed please find the monthly summary of marine turtle removals for the St. Lucie Power Plant for the month of September 2025. These activities were performed under FWCC Marine Turtle Permit# MTP-125 maintained by lnwater Research Group Inc., as required by Site Certification Condition IX.C.1.

The enclosure includes:

1) Email to Meghan Koperski Regarding Marine Turtle Removal Monthly Summary
2) Marine Turtle Removals
3) Capture Notes
4) Capture Summary Table If you should have any questions, please contact Aaron Garstin at (201) 301-4563.

Sincerely, Vince Munne Land Utilization Supervisor St. Lucie Plant

Enclosure:

Monthly Summary of Marine Turtle Removals cc: FDEP Siting Office Florida Power & Light Company 6501 S. Ocean Drive, Jensen Beach, FL 34957

Mrs. Meghan Koperski Tequesta Field Laboratory 19100 SE Federal Highway Tequesta, FL 33469

Subject:

Marine Turtle Removal Monthly Summary September 2025 lnwater Research Group, Inc.

A 501{cX3) nonprofit organization Attached, please find the monthly summary of marine turtle removals for September 2025. This month we captured 25 Chelonia mydas, 12 Caretto caretta, and one Lepidochelys kempii in the intake canal of the St. Lucie power plant on Hutchinson Island. One sea turtle was sent for rehabilitation (non-causal),

and there were no recorded mortalities this month. As with all sea turtle strandings at the St. Lucie Plant, the Florida Fish and Wildlife Conservation Commission (FWC) was consulted, and a stranding form was filed with the state through the Sea Turtle Stranding and Salvage Network.

One sea turtle was sent to rehab for non-causal injuries this month. On September 15th, a subadult loggerhead sea turtle was captured missing 75% of its left front flipper missing from a shark bite (bone exposed). This turtle was taken to Loggerhead Marinelife Center in Juno Beach for rehabilitation. Because this injury was unrelated to the power plant, it was classified as a non-causal stranding.

The primary 5-inch barrier net encountered negligible to severe amounts of algae and jellyfish this past month. IRG performed around-the-clock monitoring of the intake canal and barrier net system either as warranted by sufficiently high debris intrusion levels or whenever directed by FPL oversight personnel.

Underwater Engineering Services (UESI) divers inspected and cleaned the 5-inch barrier net as needed.

Altogether, the primary barrier net has performed as designed and no turtles have been observed beyond the 5-inch net. Furthermore, a scheduled maintenance outage of Unit 1 began on September 20th, leading to a significant reduction in flow rates within the canal system, as Circulating Water Pumps were powered down.

lnwater Research Group Inc.

4160 NE Hyline Drive Jensen Beach, FL 34957 www.inwater.org Phone: (772) 349-7252

lnwater Research Group, Inc.

A 501{c)(3) nonprofit organization The tag numbers and morphometric data for all turtles captured during the month have been included with this report (see attachments/addendums). Also included is a spreadsheet for all captures, mortalities, injuries, and causal events delineated by species and by month for 2025. In addition, this spreadsheet tracks fresh scrapes incurred on captured turtles for the current month, as well as the entire year.

Please feel free to contact me with any questions.

Sincerely,

~

Aaron Garstin Biologist lnwater Research Group, Inc.

agarstin@inwater.org (201) 301-4563 lnwater Research Group Inc.

4160 NE Hyline Drive Jensen Beach, FL 34957 www.inwater.org Phone: (772) 349-7252

MARINE TURTLE REMOVALS ST. LUCIE PLANT INTAKE CANAL SMCL SSCL CSCL CMCW SMCW SMPL Weight Date Species Note Tag #'s (cm)

(cm)

(cm)

(cm)

(cm)

(cm)

(kg)

Method 9/2/2025 Chelonia mydas CCB652/CCB653 46.0 46.0 48.5 42.9 36.2 37.4 12.9 South Net 9/2/2025 Caretta caretta CCB654/CCB655 56.5 57.4 63.0 61.4 48.3 44.9 28.0 North Net 9/4/2025 Chelonia mydas 2

CCB656/CCB657 90.7 91.3 98.2 91.2 73.2 75.2 102.8 North Net 9/5/2025 Chelonia mydas CCB658/CCB659 48.1 48.6 52.2 46.5 40.5 39.5 15.6 South Net 9/6/2025 Chelonia mydas 3

CCB660/CCB661 52.3 52.7 57.2 48.4 41.2 43.6 20.2 Dip Net 9/6/2025 Chelonia mydas CCB662/CCB663 46.3 47.1 50.0 42.5 36.2 36.9 14.2 South Net 9/8/2025 Chelonia mydas CCB664/CCB665 69.0 69.2 74.4 68.0 54.3 58.4 43.9 South Net 9/10/2025 Caretta caretta CCB666/CCB667 75.4 77.6 82.7 75.5 60.2 56.4 63.7 North Net 9/11/2025 Chelonia mydas 4

CCB652/CCB653 46.4 46.5 43.1 35.9 38.0 13.7 South Net 9/11/2025 Caretta caretta 5

CCB668/CCB669 83.3 85.2 93.4 82.5 61.7 64.2 91.7 South Net 9/13/2025 Chelonia mydas 6

CCB670/CCB671 97.7 98.0 106.6 98.1 77.5 77.9 113.5 North Net 9/14/2025 Chelonia mydas 7

I 54.0 54.5 58.8 53.8 42.3 44.7 22.5 North Net 9/14/2025 Lepidochelys kempii 8

CCB672/CCB673 61.5 62.0 65.0 72.3 64.9 47.3 34.2 South Net 9/15/2025 Caretta caretta 9

79.7 83.0 90.5 85.0 63.9 61.0 83.4 Hand Capture 9/15/2025 Chelonia mydas 10 CCB674/

48.5 48.9 51.8 45.7 37.5 41.4 16.4 North Net 9/16/2025 Caretta caretta 11 CCB675/CCB676 82.2 84.3 91.0 80.6 60.5 63.0 83.2 North Net 9/16/2025 Caretta caretta 12 CCB677 /CCB678 68.3 70.4 77.0 70.3 57.9 52.8 48.4 South Net 9/18/2025 Caretta caretta

/CCB680 79.7 81.8 87.0 77.8 62.7 59.3 69.4 North Net 9/18/2025 Caretta caretta CCB682/CCB683 75.3 77.4 83.0 77.2 61.0 56.8 61.2 North Net 9/19/2025 Caretta caretta 13 I

82.0 83.0 89.1 78.5 62.8 63.7 87.4 North Net 9/19/2025 Caretta caretta 14 I

77.2 79.8 86.1 74.0 59.0 60.4 62.0 North Net 9/19/2025 Chelonia mydas CCB686/CCB687 71.2 72.1 76.0 70.5 58.0 62.0 55.7 South Net 9/19/2025 Caretta caretta 15 CCB688/CCB689 73.7 74.7 81.1 72.6 57.9 57.0 58.3 South Net 9/19/2025 Caretta caretta 16 FFE439/CCB216 69.7 71.6 75.8 69.0 53.8 52.8 50.1 North Net 9/20/2025 Chelonia mydas CCB690/CCB691 53.0 53.6 57.2 52.9 43.0 43.4 22.3 South Net 9/20/2025 Chelonia mydas 17 CCB692/CCB693 97.3 98.0 105.5 95.5 79.5 79.9 122.6 South Net

MARINE TURTLE REMOVALS ST. LUCIE PLANT INTAKE CANAL

.-.~JsMCf5 2-'\\ '**'

SSCL CSCL CMcw

  • SMCW SMPL Weight Date Species Note

. Ta~ #'s

-**'. (cm)

(c~).),

(~m)

(cm)

(cm)

(cm)

(kg)

Method

""*,.,, *.,! ';'"E-

  • , (.C.*: -:,;<~1

~ *-..... -

9/2/2025 Chelonia mydas 1

CCB652/CCB653 '

46.0 46.Q,,'

4.8.5 42.9 36.2 37.4 12.9 South Net

"",-~*--:.~-f:,;

9/2/2025 Caretta caretta CCB654/CCB655 56.5 57.4*:

63.0 61.4.

48.3 44.9 28.0 North Net

_;,):

)*

9/4/2025 Chelonia mydas 2

CCB656/CCB657 90.7 91.3 ;*,* 198.2 91.2 73.2 75.2 102.8 North Net

....,--::,_, ~,-~:. ~-~--:-:

.. *.r.r,

-"~

9/5/2025 Chelonia mydas CCB65_8/;::CB659 48.1 48_.6 C*52.. 2 46.5 40.5 39.5 15.6 South Net

~ '*?.:.

~,_:?.,JI.,

,151.2 9/6/2025 Chelonia mydas 3

CCB660/CCB661 52.3 52.7 48.4 41.2 43.6 20.2 Dip Net

,~{. ;;.**;i:

(*..,

'so.a 9/6/2025 Chelonia mydas CCB662/CCl3663 46.3 47.1 42.5 36.2 36.9 14.2 South Net 9/8/2025 Chelonia mydas CCB664/CCB665 69.0

-~-9-f:., th 68.0 54.3 58.4 43.9 South Net

. ~':!,

9/10/2025 Caretta caretta CCB666/CCB667 75.4 77.6..-*

.. ~-.

82.7 75.5 60.2

,p6.4 63.7 North Net

  • ,!,:c*.... :.-.**_::.:.

9/11/2025 Chelonia mydas 4

CCB652/CCB653 46.4 46.5 43.1 35.9 38.0 13.7 South Net

,_.:,\\*.-~.**

  • i;J;
    Y,*,:*

9/11/2025 Caretta caretta 5

CCB668/CCB669

'83.3 85 Z.,,_,, 93 4 82.5 61.7 64.2 91.7 South Net

-~ : :'t::;1-.:-.

. *~-

~--~.,'~-;, *.

,~.L.-.,...,**

9/13/2025 Chelonia mydas 6

CCB670/CCB6'p 97.7 98.0 106.6 98.1 77.5 77.9 113.5 North Net r;.. :,:

9/14/2025 Chelonia mydas 7

I 54.0 54.5 58.8 53.8 42.3 44.7 22.5 North Net 9/14/2025 Lepidoche/ys kempii 8

CCB672/CCB673 61.5 62.0 65.0 72.3 64.9 47.3 34.2 South Net 9/15/2025 Caretta caretta 9

79.7 83.0 90.5 85.0 63.9 61.0 83.4 Hand Capture 9/15/2025 Chelonia mydas 10 CCB674/

48.5 48.9 51.8 45.7 37.5 41.4 16.4 North Net 9/16/2025 Caretta caretta 11 CCB675/CCB676 82.2 84.3 91.0 80.6 60.5 63.0 83.2 North Net 9/16/2025 Caretta caretta 12 CCB677 /CCB678 68.3 70.4 77.0 70.3 57.9 52.8 48.4 South Net 9/18/2025 Caretta caretta

/CCB680 79.7 81.8 87.0 77.8 62.7 59.3 69.4 North Net 9/18/2025 Caretta caretta CCB682/CCB683 75.3 77.4 83.0 77.2 61.0 56.8 61.2 North Net 9/19/2025 Caretta caretta 13 I

82.0 83.0 89.1 78.5 62.8 63.7 87.4 North Net 9/19/2025 Caretta caretta 14 I

77.2 79.8 86.1 74.0 59.0 60.4 62.0 North Net 9/19/2025 Chelonia mydas CCB686/CCB687 71.2 72.1 76.0 70.5 58.0 62.0 55.7 South Net 9/19/2025 Caretta caretta 15 CCB688/CCB689 73.7 74.7 81.1 72.6 57.9 57.0 58.3 South Net 9/19/2025 Caretta caretta 16 FFE439/CCB216 69.7 71.6 75.8 69.0 53.8 52.8 50.1 North Net 9/20/2025 Chelonia mydas CCB690/CCB691 53.0 53.6 57.2 52.9 43.0 43.4 22.3 South Net 9/20/2025 Chelonia mydas 17 CCB692/CCB693 97.3 98.0 105.5 95.5 79.5 79.9 122.6 South Net

9/20/2025 Chelonia mydas CCB694/CCB695 31.6 32.4 34.0 28.4 25.6 27.0 4.0 Dip Net 9/23/2025 Chelonia mydas CCB696/CCB697 60.0 60.2 63.6 56.8 46.6 48.7 29.0 South Net 9/25/2025 Chelonia mydas 18 CCB698/CCB699 107.7 108.3 115.7 101.1 82.1 85.3 168.9 North Net 9/25/2025 Chelonia mydas 19 CCB700/CCB701 67.9 68.7 52.5 74.0 64.6 57.5 40.0 South Net 9/25/2025 Chelonia mydas CCB702/CCB703 81.6 82.5 88.1 76.5 62.5 67.2 74.4 South Net 9/26/2025 Chelonia mydas CCB704/CCB705 65.5 66.4 69.7 67.1 53.3 53.8 37.3 South Net 9/26/2025 Chelonia mydas 20 CCB706/CCB707 95.2 95.6 100.5 91.2 71.5 76.8 122.2 South Net 9/26/2025 Chelonia mydas 21 FFT410/

51.7 52.2 55.4 48.0 38.5 44.6 20.8 North Net 9/27/2025 Chelonia mydas 22 CCB708/CCB709 90.3 90.5 95.4 87.3 70.3 72.5 109:4 South Net 9/27/2025 Chelonia mydas CCB710/CCB711 63.6 64.3 50.8 58.8 68.1 56.2 38.6 South Net 9/29/2025 Chelonia mydas 23

/FFV481 57.5 58.0 60.8 45.1 53.7 46.8 25.8 North Net 9/30/2025 Chelonia mydas 24 CCB713/CCB714 103.6 103.8 110.0 104.2 79.0 82.7 145.8 North Net

1.

RECAPTURE, from: 9/24/19. Satellite tag# 25A0369 286094 applied as a part of BiOp abundance estimate. "Crumble". Release time: 11: 10 EDT, Release location: 27.35241, -80.23948.

2.

Adult female green. TL= 19.1 cm. Healing notch in right marginal.

3.

RECAPTURE, from: 2/8/24. New inconel tags applied to both FFs. Satellite tag #25A0093 PTT: 286086 applied as a part of BiOp abundance estimate "Ozzy". Release time: 1342 EDT, Release location:

27.34258, -80.23466.

4.

RECAPTURE, from: 9/24/19, 9/2/25. Satellite tag present. "Crumble." No CSCL due to sat tag.

5.

Adult female loggerhead. TL= 18.5 cm.

6.

Adult female green. TL= 16.7 cm. 100% of LRF missing, healed and 10% RRF missing, healed.

7.

RECAPTURE, from: 12/13/20, 12/2/22, 2/7/23, 10/18/23, 11/11/23, 1/30/24, 11/6/24, 12/6/24, 1/16/25.

5% missing from LFF, healed. Small healed notches on pygals. Satellite tag # 25A0366 PTT: 286093 applied as a part of BiOp abundance estimate. "Leopold". Release time: 1626 EDT, Release location:

27.34597, -80.23647.

8.

Adult female Kemp's Ridley. TL= 16.7 cm.

9.

REHAB(NON-CAUSAL). STSSN#HWB20250915-001. Missing 75% of LFF from shark bite, bone exposed. Shark bite on RFF and shark raking on plastron. No tags inserted due to rehab. Taken to LMC for rehab. CMCL: 87.7cm OB.

10.

RECAPTURE, from: 9/25/19, 6/24/24, 7/16/24, 10/15/24, 12/2/24. No inconel tag applied to RFF due to scarring. Satellite tag# 25A0363 PTT: 286091 applied as a part of BiOp abundance estimate. "Bubba".

Release time: 1438 EDT, Release location: 27.34296, -80.23517.

11.

RECAPTURE, from: 9/28/17. "Machete". Satellite tag applied as a part of BiOp abundance estimate.

Serial#: 25A0189 PTT: 286077. Release location: 27.352063, -80.239496. Release time: 1057 EDT.

Healed boat strikes to right posterior carapace. Missing portion of pygals, healed. Small healed notches in LRF. New inconel tags applied.

12.

PAPILLOMAS, (Balazs Tumor Score= 1 {light}, Total Tumor Score= 2). Small healed notches on RFF and RRF.

13.

RECAPTURE, from 8/4/02, 9/17/02, 11/5/02, 4/15/03, 7/1/03, 2/16/04, 4/11/05, 6/19/06, 9/16/06, 8/15/07, 8/7/08, 7/28/09, 11/9/09, 12/3/12, 12/2/13, 2/13/14, 10/29/23. Multiple tag scars in both front flippers. No new inconel tags inserted. 'Waldorf'. Satellite tag applied as a part of BiOp abundance estimate. Serial#: 25A0171 PTT: 286073. Release location: 27.34619, -80.23639. Release time: 1500 EDT.

14.

RECAPTURE, from 10/9/11, 1/8/12, 2/5/12, 5/24/12, 7/5112, 4/3/13, 4/20/13, 8/31/13, 10/5/20, 8/12/23, 10/19/23, 12/10/24. Multiple tag scars in both front flippers. No tags applied due to tag scars. "Statler".

Satellite tag applied as a part of BiOp abundance estimate. Serial#: 25A0177 PTT: 286074. Release location: 27.34619, -80.23639. Release time: 1500 EDT.

15.

PAPILLOMAS, (Balazs Tumor Score= 1 {light}, Total Tumor Score= 1).

16.

RECAPTURE, from: 10/19/21, 5/3/22, 10/22/22, 11/12/22, 1/15/23, 2/21/23, 4/1/23, 4/27/23, 7/8/23, 9/7/23, 10/8/23, 10/29/23, 12/15/23, 3/21/24, 5/30/24, 12/1/24, 1/31/25, 3/9/25, 6/24/25. "Dexter."

Satellite tag no longer present.

17.

Adult female green. TL= 22.7 cm. Extra right costal scute. Fresh wound on LFF.

18.

Adult female green. TL= 32.5 cm. Potential tag scars on RFF. No PIT tag was initially found, scanned multiple times.

19.

PAPILLOMAS, (Balazs Tumor Score= 1 {light}, Total Tumor Score= 1).

20.

Adult female green. TL= 29.8 cm. Small notches healing on LFF.

21.

RECAPTURE, from 10/7/17, 9/30/22, 9/23/23, 10/6/23, 2/11/24, 5/31/24, 7/11/24, 8/13/24, 5/18/25. No new inconel tags applied due to tag scars. Healed indentation on right anterior carapace. Small notch on upper left beak, healed.

22.

Adult female green. TL= 26.1 cm. PIT tag applied to LFF.

23.

RECAPTURE, from: 2/1/22, 11/14/22, 12/31/22, 2/8/23, 5/13/23, 5/22/23, 6/9/23, 5/23/24, 7/25/24, 11 /13/24, 4/29/25. Satellite tag no longer present. "Bowie." No new tags in LFF due to tag scars.

24.

Adult female green. TL= 27.9 cm. Missing 10% of RRF, healed. Missing 5% RFF, healed. Healed notches on LFF. CCB712 tag malfunction.

SMCL = Straight Minimum Carapace Length SMCL = Straight Standard Carapace Length CSCL = CuNed Standard Carapace Length CMCW = CuNed Maximum Carapace Width SMCW = Straight Maximum Carapace Width SMPL = Straight Midline P/astron Length

Loggerheads Green turtles Hawksbills Leatherbacks Kemp's ridley Olive ridley (Caretta caretta)

(Che Ionia (Eretmochelys (Dermochelys (Lepidochelys (Lepidochelys Overall Totals mydas) imbricata) coriacea) kemoii) olivacea)

Year Year Year Year Year Year Year Sep-25 to Sep-25 to Sep-25 to Sep-25 to Sep-25 to Sep-25 to Sep-25 to Date Date Date Date Date Date Date Captures 12 189 25 180 0

1 0

1 1

8 0

0 38 379 Causal 0

0 0

0 0

0 0

0 0

0 0

0 0

0 Mortalities Non-Causal 0

0 0

2 0

0 0

0 0

0 0

0 0

2 Mortalities Causal 0

0 0

0 0

0 0

0 0

0 0

0 0

0 Injuries Sent to 1

10 0

5 0

0 0

0 0

1 0

0 1

16 rehab Fresh Year Year Year Year Year Year Year Scrapes Sep-25 to Sep-25 to Sep-25 to Sep-25 to Sep-25 to Sep-25 to Sep-25 to Date Date Date Date Date Date Date None 0

8 1

9 0

0 0

0 0

0 0

0 1

17 Minor 12 180 23 167 0

1 0

1 1

8 0

0 36 357 Moderate 0

1 1

4 0

0 0

0 0

0 0

0 1

5 Severe 0

0 0

0 0

0 0

0 0

0 0

0 0

0 Percent with 0.0%

0.5%

4.0%

2.2%

NA 0.0%

NA 0.0%

0.0%

0.0%

NA NA 2.6%

1.3%

mod/sev scrapes