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   National River Restoration Science Synthesis (NRRSS)
River Restoration in our Nation: A Scientific Synthesis to Inform Policy, Grassroots Actions, and Future Research

 

National River Restoration Science Synthesis (NRRSS) Statistics Page for Virginia
Statistics for March 28, 2006


 
Cost Information for NRRSS Records (with cost values) for Virginia


Number
of
Projects

1,403
Projects
with
Cost
Values

1,347

 
Total
Costs

$52,299,269.07
 
% with
Cost

96

 
Minimum
Cost

$30.05

 
Maximum
Cost

$13,700,000.00

 
Median
Cost

$6,847.60

 
% with
Monitoring

2
 
% with
Project
Contact

4

 
Mean
Cost

$38,826.48
Upper 95%
Confidence
Interval
Value

$606,495.55

 
Standard
Deviation

409594.539497

 

 


Project Intent Information for Virginia


 
Project
Intent

Aesthetics/Recreation/Education
Bank Stabilization
Channel Reconfiguration
Dam Removal/Retrofit
Fish Passage
Floodplain Reconnection
Flow Modification
In-stream Habitat Improvement
In-stream Species Management
Land Acquisition
Riparian Management
Stormwater Management
Water Quality Management
Other

Number
of
Projects

9
45
6
2
3
1
0
22
6
8
1,274
8
1,295
1
Projects
with
Cost
Values

4
22
5
1
1
0
0
17
5
8
1,265
6
1,281
0

 
Total
Costs

$3,004,533.00
$3,013,295.00
$1,478,300.00
$17,445.00
$1,500,000.00
$0.00
$0.00
$8,966,888.00
$831,585.00
$8,420,606.00
$14,523,380.07
$1,072,880.00
$39,072,902.07
$0.00
 
% with
Cost

44
48
83
50
33
0
0
77
83
100
99
75
98
0

 
Minimum
Cost

$15,031.00
$1,750.00
$100,000.00
$17,445.00
$1,500,000.00
$0.00
$0.00
$2,250.00
$7,500.00
$50,000.00
$30.05
$60,000.00
$30.05
$0.00

 
Maximum
Cost

$2,914,502.00
$450,001.00
$422,300.00
$17,445.00
$1,500,000.00
$0.00
$0.00
$2,914,502.00
$450,001.00
$2,914,502.00
$300,000.00
$294,800.00
$13,700,000.00
$0.00

 
Median
Cost

$37,500.00
$77,232.00
$330,000.00
$17,445.00
$1,500,000.00
$0.00
$0.00
$75,000.00
$53,000.00
$711,582.00
$6,144.40
$173,207.00
$6,354.50
$0.00

 
% with
Monitoring

22
20
33
50
66
0
0
22
16
0
0
12
1
100
 
% with
Project
Contact

44
77
100
0
0
0
0
27
33
0
0
12
1
100

 
Mean
Cost

$751,133.25
$136,967.95
$295,660.00
$17,445.00
$1,500,000.00
$0.00
$0.00
$527,464.00
$166,317.00
$1,052,575.75
$11,480.93
$178,813.33
$30,501.88
$0.00
Upper 95%
Confidence
Interval
Value

$2,482,278.80
$337,740.60
$459,894.80
$17,445.00
$1,500,000.00
N/A
N/A
$1,736,660.64
$412,298.14
$2,499,083.52
$37,482.11
$274,671.22
$596,912.88
N/A

 
Standard
Deviation

1249086.486391
144864.995906
118501.571298
N/A
N/A
N/A
N/A
872480.758937
177484.626158
1043709.646548
18760.823746
69165.065707
408686.800098
N/A

Note: Some NRRSS Records may have more than one Project Intent selected.
Total number of NRRSS records with one or more Project Intent values for Virginia is: 1376
Total number of NRRSS records with no Project Intent values for Virginia is: 27
Percentage of NRRSS records with no Project Intent values for Virginia is: 1%

 

 


Project Information by Year of Completion for Virginia


 
Year of
Completion

1995
1996
1997
1998
1999
2000
2001
2002
2003
2004

 
Number of
Projects

2
2
1
17
5
10
324
634
329
4

 
% with
Cost

100
50
100
82
40
60
99
98
97
100

 
Minimum
Cost

$206,800.00
$450,001.00
$7,000.00
$2,500.00
$15,031.00
$6,755.00
$77.50
$42.05
$30.05
$4,119.40

 
Maximum
Cost

$229,000.00
$450,001.00
$7,000.00
$424,000.00
$1,500,000.00
$283,000.00
$422,300.00
$206,666.00
$397,000.00
$18,291.00

 
Median
Cost

$217,900.00
$450,001.00
$7,000.00
$207,750.00
$757,515.50
$13,722.50
$7,139.30
$6,421.20
$4,866.85
$8,821.80

 
% with
Monitoring

0
50
0
52
40
0
0
0
1
0
 
% with
Project
Contact

100
50
100
58
40
40
2
1
1
0

Note: Some of the categories for each year may have incomplete information available.

 

 


Number of Projects with the Number of Intent Categories for Virginia


# of Intent Categories

1
2
3
4
5
6
7
8
9
10
11
12
13
14

# Projects

80
1,290
4
2
0
0
0
0
0
0
0
0
0
0

    Note: Not all NRRSS records have a project intent number selected.

    Return to the NRRSS Home Page



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    NRRSS comments, questions: Emily S. Bernhardt     Web page and database contact: Bruce Powell


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   Creation date: Tue Mar 28 05:22:43 MST 2006