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Oyster Restoration in Oyster Restoration in the Lynnhaven River the Lynnhaven River

Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

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Page 1: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Oyster Restoration in the Oyster Restoration in the Lynnhaven RiverLynnhaven River

Page 2: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

WatershedWatershed

• A watershed is an area of land that A watershed is an area of land that drains to a common point.drains to a common point.

• It is the area land that catches the It is the area land that catches the rain and snow and drains or seeps rain and snow and drains or seeps into a marsh, stream, river, lake or into a marsh, stream, river, lake or groundwater.groundwater.

Page 3: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Point and Non-Point SourcesPoint and Non-Point Sources

• Point Source Pollution:Point Source Pollution:Pollution originating from a discrete source Pollution originating from a discrete source

(a pipe, factory, farm, ditch, etc.)(a pipe, factory, farm, ditch, etc.)

• Non-Point Source Pollution:Non-Point Source Pollution:Pollution discharged over a wide land area, Pollution discharged over a wide land area,

not from one specific location, occurs not from one specific location, occurs when rainwater or irrigation drains off of when rainwater or irrigation drains off of plowed fields, city streets and parking lots, plowed fields, city streets and parking lots, or suburban backyards. More than 50% of or suburban backyards. More than 50% of all water pollution in the US.all water pollution in the US.

Page 4: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Common Classes of Common Classes of PollutantsPollutants• SedimentsSediments

• NutrientsNutrients

• Toxins (heavy metals, petroleum Toxins (heavy metals, petroleum products, pesticides, road salt, etc.)products, pesticides, road salt, etc.)

• BacteriaBacteria

Page 5: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Green Filter or Gray FunnelGreen Filter or Gray Funnel

Page 6: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Lynnhaven River Lynnhaven River WatershedWatershed

Page 7: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that
Page 8: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

The Lynnhaven The Lynnhaven WatershedWatershed

• Covers 21% of the city’s land area--- Covers 21% of the city’s land area--- 64 square miles64 square miles

• Is home to 47% of the city’s Is home to 47% of the city’s population---200,000 peoplepopulation---200,000 people

• Includes Broad Bay, Linkhorn Bay, Includes Broad Bay, Linkhorn Bay, Crystal Lake, and the Eastern and Crystal Lake, and the Eastern and Western BranchesWestern Branches

Page 9: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Largely ResidentialLargely Residential

Page 10: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Virginia Beach Population Virginia Beach Population GrowthGrowth

• 1905 -- 11,0001905 -- 11,000• 1940 -- 19,0001940 -- 19,000• 1950 – 42,0001950 – 42,000• 1960 -- 84,0001960 -- 84,000• 1970 – 172,0001970 – 172,000• 1980 – 262,0001980 – 262,000• 1990 – 393,0001990 – 393,000• 2000 – 425,0002000 – 425,000• 2006 – 445,0002006 – 445,000

Page 11: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

December 11, 2003

January 21, 2005

Virginia Department of HealthVirginia Department of HealthAreas Closed to Oyster Areas Closed to Oyster HarvestHarvest

Page 12: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Condition of the LynnhavenCondition of the Lynnhaven

• Water Quality Problems:Water Quality Problems:•Bacteria (mainly fecal coliform)Bacteria (mainly fecal coliform)•Excess NutrientsExcess Nutrients•SedimentSediment•ToxinsToxins

• Habitat Loss:Habitat Loss:•Oyster ReefsOyster Reefs•Wetland & Buffer HabitatsWetland & Buffer Habitats•Underwater GrassesUnderwater Grasses

Page 13: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Fecal Coliform Origins in Lynnhaven Fecal Coliform Origins in Lynnhaven River River (according to DEQ’s TMDL study 2003)(according to DEQ’s TMDL study 2003)

bird28%

human25%

pets/livestock30%

wildlife17%

Page 14: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

“ “ A single overboard discharge of human A single overboard discharge of human waste can be detected in up to a one square waste can be detected in up to a one square mile area of shallow enclosed water. mile area of shallow enclosed water. Contaminants known from human waste Contaminants known from human waste include hepatitis, streptococci, fecal coliform include hepatitis, streptococci, fecal coliform and other bacteria.”and other bacteria.”

Florida Department of Environmental ProtectionFlorida Department of Environmental Protection

Water Quality Water Quality FactFact

Page 15: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

What can you What can you

do? do?

Page 16: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Six Areas of FocusSix Areas of Focus

1.1. Preservation and Restoration of WetlandsPreservation and Restoration of Wetlands

2.2. Teaching Water-Friendly Landscaping Teaching Water-Friendly Landscaping

3.3. Restoration of Oyster ReefsRestoration of Oyster Reefs

4.4. Working with the City to Improve Storm Working with the City to Improve Storm Water and Remove SepticsWater and Remove Septics

5.5. Reduce Fecal Coliform Bacteria from Animal Reduce Fecal Coliform Bacteria from Animal WasteWaste

6.6. Promote Clean Boating Practices—Establish Promote Clean Boating Practices—Establish Lynnhaven as a No Discharge ZoneLynnhaven as a No Discharge Zone

Page 17: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Reduce Sediment InputsReduce Sediment Inputs

• Appropriate sediment controls on Appropriate sediment controls on construction projectsconstruction projects

• Maintain vegetationMaintain vegetation

• Preserve or restore natural Preserve or restore natural shorelinesshorelines

Page 18: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Reduce Toxin InputsReduce Toxin Inputs

• Dispose of household toxins Dispose of household toxins appropriatelyappropriately

• Use less toxic chemicalsUse less toxic chemicals

• Don’t dump into sewersDon’t dump into sewers

Page 19: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

What else can you do?What else can you do?

What can you do to reduce What can you do to reduce Nutrient and Fecal Nutrient and Fecal

Coliform Input?Coliform Input?

Page 20: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Reduce Pet Waste:Reduce Pet Waste:Scoop the PoopScoop the Poop

Page 21: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Don’t feed the ducks….or Don’t feed the ducks….or raccoons, or geese, or …raccoons, or geese, or …

Page 22: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Make Clean Boating a HabitMake Clean Boating a Habit• PUMP, DON’T DUMP –PUMP, DON’T DUMP –Raw Sewage isn’t nice, treated Raw Sewage isn’t nice, treated

or untreated. Pump out your boat appropriately and dump or untreated. Pump out your boat appropriately and dump portable toilets where they belong.portable toilets where they belong.

• STOWE IT, DON’T THROW IT –STOWE IT, DON’T THROW IT – Trash isn’t good Trash isn’t good for the water…you brought it here, take it back with you!for the water…you brought it here, take it back with you!

• FILL, DON’T SPILL – FILL, DON’T SPILL – Only fill your boat to about Only fill your boat to about 90% ...stop the pump before the tank is full! Fuel spills are 90% ...stop the pump before the tank is full! Fuel spills are illegal.illegal.

• USE THE RIGHT STUFF– USE THE RIGHT STUFF– Only use cleaners and Only use cleaners and fluids that are certified safe for marine use!!!fluids that are certified safe for marine use!!!

Page 23: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Lynnhaven River 2007 Clean Lynnhaven River 2007 Clean Boating Initiatives:Boating Initiatives:

LR 2007 supports “No Discharge Zone” LR 2007 supports “No Discharge Zone” legislation.legislation.

• LR 2007 helps marinas become a LR 2007 helps marinas become a “Certified Green Marina” “Certified Green Marina”

• Teach Clean Boating PracticesTeach Clean Boating Practices

Page 24: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Practice Water Friendly Practice Water Friendly LandscapingLandscaping

• Install a Backyard Buffer

•Use native plants in your landscaping

•Test your soil and fertilize appropriately

•Build a Rain Garden

•Plant Trees

Page 25: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Install a Backyard BufferInstall a Backyard Buffer

Page 26: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

Grow OystersGrow Oysters

Page 27: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

0

50000

100000

150000

200000

250000

1998 1999 2000 2001 2002 2003 2004 2005

Oy

ste

rs T

ran

sp

lan

ted Student Raised Oysters

Citizen Raised Oysters

Community Oyster Community Oyster ContributionsContributions

Page 28: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that

FirstLandingState Park

Elevated Spat Settlement

Page 29: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that
Page 30: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that
Page 31: Oyster Restoration in the Lynnhaven River. Watershed A watershed is an area of land that drains to a common point. A watershed is an area of land that