Tar-Pamlico Tar-Pamlico Watershed Assessment Watershed Assessment

Proposed Water QualityImprovement Projects

• Improvement project types• Model scenarios• Targeted projects• Stakeholder input

Improvement Project Types

• Stream restoration• Wetland restoration• Riparian buffers (woody & herbaceous)• BMPs (stormwater wetland, bioretention, swales)

Crisp Creek Proposed Improvement Projects

• 24 Riparian Buffer Projects

• 3 Stream Restoration Projects

• 11 Wetland Restoration Projects

Hendricks CreekProposedImprovementProjects

• 7 Riparian Buffer Projects

• 8 Stream Restoration Projects

• 3 Wetland Restoration Projects

• 7 BMPs

Green Mill Run – Proposed Improvement Projects

• 8 Riparian Buffer Projects• 2 Wetland Restoration/Enhancement Projects• 2 Stream Restoration/Channel Improvement Projects• 7 BMPs

Cow Swamp Proposed Improvement Projects

• 21 Riparian Buffer Projects• 6 Swale Projects• 3 Stream Restoration Projects• 5 Wetland Restoration Projects

Project Pollutant Removal

GMR Public ≤ 3 owners All Projects

TSS 0% 7% 14%

P 7% 27% 51%

N 1% 22% 25%

HDK Public ≤ 3 owners All Projects

TSS 2% 12% 77%

P 3% 8% 79%

N 5% 12% 37%

Project Pollutant RemovalCOW Public ≤ 3 owners All Projects

TSS - 23% 73%

P - 23% 71%

N - 19% 55%

CSP Public ≤ 3 owners All Projects

TSS - * 45%

P - * 57%

N - * 40%* Martin County parcel data was not available at time of modeling

Targeted ProposedImprovement Projects

Crisp - Project 17 Buffers & Wetland Restoration

Wetland Restoration

Buffers

EdgecombeMartin

County Line Property

Crisp CreekProject 17Wetland Restoration

• Stream network is ditched• Little existing woody riparian vegetation• NCCREWS depicted area as potential wetland restoration• Up to 88 acres of wetland restoration proposed• 6,450 linear feet of woody buffer proposed• Constraints: some area is under drainage district jurisdiction

Crisp Creek Project 5 Wetland Restoration

5. WetlandRestoration Existing W

etland

Project 8 Project 6

Project 7

Crisp CreekProject 5Wetland Restoration

• Project would expand existing wetland • NCCREWS depicts area as wetland restoration potential• 40 acres of wetland restoration proposed• Constraints: loss of cropland

Hendricks Project 4Stream Restoration

4. Stream Restoration

Project 5.Stream Restoration

Project 3.Stormwater Wetland

Hilma Country Club

Redevelopment Commission of Tarboro

Town of Tarboro

Town of Tarboro

Hendricks CreekProject 4Stream Restoration

• Eroding banks, invasive and exotic riparian vegetation

• 3,250 linear feet of stream restoration proposed on Hendricks Creek

• Constraints: existing sewer line and multiple property owners

Hendricks Project 13Stream Restoration

Stream RestorationPhase I

Tarboro High School(Edgecombe County Board of Education)

Edgecombe County

Board of Education

Braswell Center(Town of Tarboro)

Hendricks CreekProject 13Stream Restoration

• Eroding banks and thin riparian buffers• Stream Restoration -Phase I: 1,340 linear feet Phase II: 1,800 linear feet• Constraints: existing sewer line and multiple property owners

Hendricks Project 5Stream Restoration

HilmaCountry Club

Hendricks Creek - Project 5Stream Restoration

• Stream is slightly incised with severely eroding banks

• Riparian buffer is narrow with invasive species

• 2,290 linear feet of stream restoration proposed

• Project would extend previous NRCS stream restoration project at Western Boulevard

• Constraints: existing large trees and stormwater inputs

Green Mill Run Project 1Bank Stability &Stream Restoration

City of GreenvilleGreen Springs Park

Bank Stability & Stream Restoration

10th St

Stormwater Wetlands

State of NCWahl-Coats School

Green Mill RunProject 1Bank Stability andStream Restoration

• Eroding banks, poor habitat• Stormwater wetlands proposed• 2,640 linear feet of stream channel improvement proposed• Constraints: steep banks, artificial hardening, limited space, existing infrastructure

Green Mill RunProject 8Riparian Buffers

Project 7. GreenvilleCountry Club(In progress)

Green Mill Run - Project 8Riparian Buffers

• 1,800 linear feet of woody riparian buffers proposed

• Project would treat runoff from cropland before it enters the Greenville Country Club stream restoration project

• Constraint: loss of cropland

Green Mill Run Projects 15&16 Riparian Buffers

15. Buffers

16. Buffers

Green Mill RunProjects 15 & 16Riparian Buffers

• Urbanizing quickly, needs buffer before there is no space left• 6,950 linear feet of woody riparian buffers proposed• Constraints: multiple property owners, current residential development activities

Cow SwampProject 2Stream Restoration

StreamRestoration

Swale

Swale

Cow Swamp - Project 2Stream Restoration and Swales

• 3,010 linear feet of stream restoration proposed; 1,430 linear feet of swales proposed

• Stream is currently incised with practically no riparian buffer

• Constraint: loss of cropland

Cow Swamp Project 25 Stream Restoration

25. StreamRestoration

Project 14

Cow SwampProject 25StreamRestoration

• Photo shows downstream incision in channel (near confluence with Cross Swamp)• 1,850 linear feet of stream restoration proposed• Constraints: loss of cropland

Cow Swamp Project 27 Wetland Restoration

26. Wetland Restoration

27. Wetland 27. Wetland Restoration &Restoration &BuffersBuffers

Cow SwampProject 27Wetland Restoration& Riparian Buffers

• 7 acres of wetland restoration proposed

• 4,640 linear feet of woody riparian buffers proposed

• Constraints: loss of cropland

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