Chittenden County, Vermont

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Chittenden County, Vermont

• Stormwater Projects supported by
• State-Tribal Assistance Grants

A presentation to Congressional staff by the
Chittenden County Regional Stormwater Education
Program
October 18, 2007
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9 Municipalities-Burlington-South
Burlington-Winooski-Milton-Essex
Junction-Essex-Williston-Colchester-Shelburne
3 Non-traditional-UVM-Burlington Intl
Airport-VT Agency of Transportation
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(No Transcript)
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STORMWATER RUNOFF IN URBAN AREAS RESULTS IN AN
INCREASE IN WATER VOLUME AND SEDIMENT BEING
DISCHARGED TO VERMONTS WATERWAYS
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SOURCES OF SEDIMENT IN STORMWATER IMPAIRED
STREAMS (1) WASHOFF OF IMPERVIOUS SURFACES
AND CONSTRUCTION SITES
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SOURCES OF SEDIMENT IN STORMWATER IMPAIRED
STREAMS (2) CHANNEL EROSION AND
DOWN CUTTING
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SEDIMENT IMPACTS ON WATER QUALITY IN
STORMWATER IMPAIRED STREAMS (1)
LOSS OF HABITAT
Degraded
Healthy
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SEDIMENT IMPACTS ON WATER QUALITY IN
STORMWATER IMPAIRED STREAMS (2)
EMBEDDEDNESS OF ROCK SUBSTRATE WHICH IS
HABITAT FOR MACROINVERTEBRATES AND FISH

Healthy
Degraded
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Champlain Water District

• Applies for and receives grants and distributes
  to municipalities.
• Financial cash flow management

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VT-ANR

• Water Quality Division Stormwater Section
• Project Oversight
• Facilities Engineering Division
• Professional inspection and quality and cost
  control during the construction phase
• Management of design review
• Procurement of construction services

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FY 03 Appropriations
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FY 04 Appropriations
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(No Transcript)
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COLCHESTER, Canyon Estates, Before
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Colchester, Canyon Estates Outfall, After
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Colchester Street Sweeper
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Financial Example (Colchester)

• Activity STAG Local Total
• Legal 1,000 818 1,818
• Land 0 0 0
• Engineering 31,000 25,364 56,364
• Construction 194,000 158,727 352,727
• Equipment 84,000 68,727 152,727
• Totals 310,000 253,636 563,636

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MILTON Ridgefield Estates outfall
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MILTON Storm line catch basin cleaner/vacuum
truck
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Essex DPW Garage, Gas Pump Canopy
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Five Corners NorthInfrastructure Improvements
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Five Corners NorthBefore
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Inlet Diversion
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Swirl Separator
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Retention Chambers
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Five Corners NorthAFTER
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WINOOSKI Street Sweeper
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BURLINGTON Englesby Brook improvements
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(No Transcript)
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(No Transcript)
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South Burlington Farrell StreetStormwater
Detention Pond
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South Burlington Farrell StreetSwirl Separator
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South Burlington Farrell StreetNew Culvert
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South Burlington Farrell StreetBioretention
Facility
NOTE No picture of 2,000 s.f. porous asphalt
parking area. Not yet constructed.
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South Burlington Street Sweeper
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SHELBURNE Hullcrest Park detention basin
Storm Chambers for Detention and Retention
Manholes for Collection
Storm Tank for Settling Solids and Overflow
Distribution Manhole for even flow to all chambers
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Shelburne, Hullcrest Park, Intake
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Shelburne, Hullcrest Park
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Shelburne, Hullcrest Park, In construction
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Shelburne, Hullcrest Park
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Shelburne, Hullcrest Park, After
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Items for Discussion

• How well has the STAG program worked for
  municipalities?
• Have funds flowed smoothly?
• Any issues or concerns with program?
• What are future needs in terms of additional
  funding or changes in funding process?