Pinellas County Coastal Management Program · PDF filePinellas County Coastal Management Program Andy Squires Coastal Resources Manager [email protected] Department of Public

Pinellas County

Coastal Management Program

Andy Squires

Coastal Resources [email protected]

Department of Public Works

Division of

Environmental Management

Topics

• Why Nourish Our Beaches

• County Managed Beaches

• Nourishment History

• Ongoing/Upcoming Projects

• Funding

Why Nourish Our Beaches

Most Important Reason!

1. Storm Protection

– Saves Lives

– Upland

Infrastructure

– Property

STORM PROTECTION!

Clearwater, September 1985

Clearwater, June 2011

STORM PROTECTION!

Indian Rocks Beach

September 1985

Indian Rocks Beach

June 2011

STORM PROTECTION!

North Redington

Beach

September 1985

North Redington

Beach

Post Fill 1999

1993

2006

Same View

Morgan Street

Belleair Beach

Economic Benefits!

2. Pinellas County Tourism (Data Research Services,

Inc. . Analysis for 2009)

– 74.2% of Visitors Come for the Beaches

– $2.8 Billion - Total Economic Impact

– Over 35,800 - Jobs Supported

– $88.4 Million - State & Local Taxes Paid

Another Reason to

Nourish Our Beaches…

3. Environmental

Benefits

- Habitat• Marine Turtles

• Shorebirds

County

Managed

Beaches

• Honeymoon Island

• Sand Key

• Treasure Island

– Sunshine Beach

– Sunset Beach

• Long Key

– Upham Beach

– Pass-A-Grille Beach

• Mullet Key (Ft. DeSoto Park)

Old Tampa Bay

LONG KEY

SAND

KEY

TREASURE ISLAND

FT DESOTO

HONEYMOON

ISLAND

Non-Federally

Authorized

Project

Honeymoon

Island

State Funding • Construction 100%

• Non-construction 75%(design, permitting, etc.)

GULF OF

MEXICO

HONEYM

OON

ISLAND

PHOTO DATE: 2010

PHOTO PROPERTY

OF PINELLAS

COUNTY

HURRICANE

PASS

N0 150

300

Honeymoon Island

Nourishment History • 1921 Hurricane Created Hurricane Pass

• 1969 Beach Fill, 1.3 million yds3

4000’ of shoreline, used offshore Borrow Area

with limestone gravel and rock

• 1989-1990 Nourishment, 230,000 yds3

From Hurricane Pass Maintenance Dredging

• 2000 Nourishment, 12,500 yds3

Sand from Hurricane Pass Maintenance

Dredging

• 2007 Nourishment, 140,000 yds3

Sand from Hurricane Pass Ebb Shoal

• 2015 Nourishment, 162,890 yds3

Sand from Hurricane Pass Ebb Shoal

Honeymoon Island Phase I & II

BEACH FILL TEMPLATE

REQUIRES APPROXIMATELY

(100,000 CY)

T-GROIN 4

T-GROIN 3

T-GROIN 2

EXISTING T-GROIN 1

CONSTRUCTED UNDER

DEP PERMIT 0249602-001-

JC

PHOTO DATE: 2010

PHOTO PROPERTY OF

PINELLAS COUNTY

HONEYMOON

ISLAND

HURRICANE PASS

HONEYMOON ISLAND BEACH RESTORATION PROJECT – PHASES I & IIP

HA

SE

II

PH

AS

E

I

EASEMENT-BORROW

AREA (PROPOSED)

PHASE II

BORROW

AREA

GULF

OF

MEXIC

O

N0 150 300

Current Nourishment Interval = 3 Years

Federally

Authorized

Projects

Sand Key

Treasure Island

Long Key

Funding

60% Federal

20% State

20% County

Federally Authorized

Sand Key Projects

1988-2012

1988300,000 yds3, $2.6 M

19901,300,000 yds3, $14.5 M

1992850,000yds3, $11.7 M

1998-992,612,166, $24 M

20061,700,000 yds3, $45 M

20121.25 yds3, $31.5 M

2012

Sand Key

Nourishment

$31.5 million1.25 million cubic yards

Sand Sources

(Not Shown on Map)

1. Egmont Shoals (N of Egmont Key)

2. Area “L” (11+ mi W of Sand Key)

Belleair Shore

No Fill

Sand Key Nourishments

Prior to Federal Authorization

• 1969: Indian Rocks Beach, 5,500 feet of shoreline

- Federal Disaster Assistance ($856,000;

143,000 cubic yards)

• 1973: Indian Rocks Beach, post Hurricane Agnes

- Federal Disaster Assistance ($1,667,600)

• 1974: Beach Disposal from Clearwater Pass

Dredging

- USACE (126,000 cubic yards)

• 1977: Beach Disposal from Clearwater Pass

Dredging

- USACE (186,000 cubic yards)

• 1982-83: Northern Sand Key, Beach Disposal

- Clearwater’s Program, Inlet Improvement for

Bridge Stability (600,000 cubic yards)

• 1985: Redington Shores from Dredging John’s Pass

- USACE/Pinellas County (60,000 cubic yards)

2012

Sand Key

Nourishment

First Sand

Placement

Dan’s Island

May 15, 2012

Belleair Shore

No Fill

Dan’s Island

May 16, 2012

Dan’s Island

May 16, 2012

Treasure Island

& Long Key

(From Elko and Mann, 2007)

Treasure Island

Nourishment History Date / Volume (yds3) / Sand Source / Length

• 1969 / 790,000 / Offshore borrow area / 0.8 mi

• 1971 / 75,000 / O’Brien’s Lagoon / 0.2 mi

• 1972 / 155,000 / Blind Pass / 0.2 mi

• 1976 / 380,000 / Offshore borrow area / 1.4 mi

• 1978 / 50,000 / Blind Pass / Southern Treasure Island

• 1981 / 70,000 / John’s Pass / 0.6 mi

• 1983 / 220,000 / Blind Pass / 0.8 mi

• 1986 / 550,000 / Blind Pass & Pass-a-Grille Channel / 2.4 mi

• 1991 / 56,000 / John’s Pass / 0.4 mi

• 1996 / 51,300 / Egmont Shoal / 0.4 mi

• 2000 / 350,000 / John’s Pass / 1.6 mi

• 2004 / 225,000 / Pass-a-Grille Channel / 1 mi

• 2006 / 110,000 / Egmont Shoal / 1.6 mi

• 2010 / 225,000 / John’s Pass / 1.6 mi

• 2014 / 300,516 / East Egmont Shoal / 1.6 mi

Upham Beach

Nourishment History

Date / Volume (yds3) / Sand Source / Length

1980 / 254,000 / Blind Pass / 0.4 mi

1986 / 98,000 / Pass-a-Grille Channel / 0.4 mi

1991 / 230,000 / Blind Pass / 0.4 mi

1996 / 253,000 / Egmont Channel Shoal / 0.4 mi

2000 / 281,000 / Blind Pass / 0.4 mi

2004 / 408,000 / Pass-a-Grille Channel / 0.7 mi

2006 / 90,000 / Egmont Channel Shoal / 0.4 mi

2010 / 160,000 / Blind Pass / 0.4 mi

2014 / 160,545 / East Egmont Shoal

2014

Treasure

Island

&

Long Key

Nourishment

~$16-17 million

520,000 cubic yards

Pass-A-Grille

Nourishment Planned

Cost Share:60%/20%/20%

(Fed/State/County)

Sand SourceEgmont Shoals

Belleair Shore

No Fill

Sunshine Beach

9-1-10

9-1-10

8-11-10

4-1-10

9-1-10 10-1-10

Sunset Beach

Upham Beach Stabilization Project

2005-06 T-Groins Installed

2006 Beach Nourished

2006-08 T-Groins Tested

2008+ T-Groins Damaged

2011 Major T-Groin Repair

September 15, 2010

Long Key / Upham Beach

August 2008October 2002

Upham Beach

Stabilization

Project

• 2014 Nourished ~2000’ of Shoreline, 156,748 yds3

• 2016 Install 4 Permanent Rock Structures

– T-Groin Construction Estimate = $8 million

• Funding 50% State / 50% County

Pass-A-Grille Beach• One-mile Long Public Beach

• Highly Erosive 1940s-50s

• Groins & Seawall Installed by 1960s

• County Management Began in 1980s

• Accreted Beach Stabilized with Sea Oats in late 1980s

• Nourishment History– 1986: (post Elena) : 73,000 yds3, Pass-A-Grille Channel

– 1991: 100,000 yds3, Blind Pass

– 2004: (post storms): 95,000 yds3, Pass-A-Grille Channe

– 2014: 140,053, East Egmont Shoal

2006

Mullet Key / Ft. DeSoto Park

• 1963-64 – 138,000 yds3, Federal

beach erosion control project

constructed at south end of western

beach

• 1973 – 325,000 yds3, central

region of western beach

• 1977 - 750,000 yds3, western

beach

- 350,000 yds3, south beach

- Sand source from Tampa

Bay maintenance dredging

• 1990 – Federal project deauthorized

• 2006 ~350,000 yds3 placed on

western and southern facing

beaches (R177- R179.5 &

R181-R183)

- Sand source, Tampa Bay

maintenance dredging

Mullet Key / Ft. DeSoto Park

2006-07 Project

Mullet Key / Ft. DeSoto Park

2006-2007 Nourishment

Before After

Coastal Management Program Funding

from

Tourist Development (Bed) Tax

One-half of Third Penny

~ $2.5-3.0 million

Annual Revenue

Summary

• Beaches Managed/Nourished – For storm protection, tourism, environment

– Honeymoon, Sand Key, Treasure Island, & St. Pete Beach, frequently nourished

(every 3-6 years)

• 2 with structural improvement projects (Honeymoon, Upham)

– Pass-A-Grille Beach nourished every 5-13 years

– Mullet Key nourished 4 times, latest in 2006-07

• Cost Sharing– State 20-100% of total costs

– Federal participation ~60% of Total Costs

• Tourist Development Tax Fund Projections– Annual revenue projections for beaches > $2.5m after FY 2012+

QUESTIONS

Andy Squires, Coastal Manager 727- 464 - 4633

e-mail: [email protected]

Web Link to Updates:www.pinellascounty.org/environment/coastalMngmt/default.htm