PERFORMANCE AND COSTS
ALLEY CREEK
ALLEY CREEK Total Watershed Drainage Area:
4,879 acres
Combined Sewer Contributory Area:
2,292 acres
Combined Sewer Contributory Impervious Area: 1,490 acres Opportunity Area for Source Controls:
1,230 acres
The goal is to manage stormwater from 10% of the impervious surfaces in the combined sewer contributory area. There are opportunities in 53% of the combined sewer contributory area. Opportunities in Combined Sewer Contributory Area
Acres
% of Watershed
102 9 569
4% 0.4% 24%
17
1%
Other streets
402
17%
Other sidewalks
151
6%
105 40
4% 2%
76 327 2 1,230
3% 14% 0.1% 53%
New development/redevelopment Vacant lots Right-of-way Planned ROW Projects
Multi-family residential complexes Commercial development with parking lots Schools Parks Other public properties TOTAL Wastewater Treatment Plant(s):
Tallman Island
NYSDEC Classification(s):
Class I & SB – Primary and Secondary Contact, Bathing and Fishing
Ecological Classification(s):
Special Natural Waterfront Area (DCP)
Significant Coastal Fish & Wildlife Habitats
Recreational Boating and Fishing
Existing Water Uses: Shoreline Uses:
Residential, Recreational, Parkland and Open Space
ALLEY CREEK
140,000
Borough(s): Queens Community District(s): 11
Median HH Income: $73,728 120,000
Cost-Effective Grey Infrastructure Investments—Outfall & Sewer System Improvements, CSO Facility
100,000 80,000
Capital Cost per Gallon
244
$142
$0.58
1
-
-
PLUS Green Infrastructure (10% Capture)
37
$72
$1.96
PLUS Tide Gate Repair and Interceptor Cleaning Green Strategy Total Cost-Effective Grey Infrastructure Investments PLUS Potential Tanks, Tunnels & Expansions 20,000
Capital Cost ($M)
PLUS Reduced Flow
60,000 40,000
CSO Volume Reduction (MG/yr)
Grey Strategy Total
NA
NA
NA
282
$214
$0.76
244
$142
$0.58
NA
NA
NA
244
$142
$0.58
0
66
Total Population
GREEN INFRASTRUCTURE PLAN
Minority Population
67
In Labor Force Below Poverty Level
GREEN INFRASTRUCTURE PLAN
ALLEY CREEK
ALLEY CREEK
68
69
GREEN INFRASTRUCTURE PLAN
OPPORTUNITIES
GREEN INFRASTRUCTURE PLAN