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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 Lower Cheaspeake Node
Statistics for March 28, 2006


 
Cost Information for NRRSS Records (with cost values) for Lower Cheaspeake Node


Number
of
Projects

3,852
Projects
with
Cost
Values

1,588

 
Total
Costs

$138,615,007.07
 
% with
Cost

41

 
Minimum
Cost

$30.05

 
Maximum
Cost

$17,144,000.00

 
Median
Cost

$8,857.55

 
% with
Monitoring

4
 
% with
Project
Contact

7

 
Mean
Cost

$87,289.05
Upper 95%
Confidence
Interval
Value

$979,264.88

 
Standard
Deviation

643594.042285

 


 

 

Project Intent Information for Lower Cheaspeake Node


 
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

56
537
119
23
96
13
15
89
12
13
2,905
38
1,426
79
Projects
with
Cost
Values

9
71
11
6
8
11
4
47
8
13
1,287
27
1,379
6

 
Total
Costs

$4,669,327.00
$15,987,032.00
$5,962,082.00
$1,793,256.00
$8,291,580.00
$6,331,567.00
$639,876.00
$24,186,988.00
$1,268,585.00
$21,551,722.00
$17,360,609.07
$10,411,614.00
$60,680,609.07
$1,432,641.00
 
% with
Cost

16
13
9
26
8
84
26
52
66
100
44
71
96
7

 
Minimum
Cost

$10,000.00
$1,750.00
$100,000.00
$15,000.00
$16,500.00
$2,000.00
$16,500.00
$2,250.00
$7,500.00
$15,000.00
$30.05
$33,333.00
$30.05
$1,900.00

 
Maximum
Cost

$2,914,502.00
$1,868,380.00
$1,379,900.00
$1,145,000.00
$2,000,000.00
$1,868,380.00
$307,200.00
$8,611,696.00
$450,001.00
$8,611,696.00
$900,000.00
$1,868,380.00
$13,700,000.00
$700,000.00

 
Median
Cost

$50,000.00
$73,435.00
$397,000.00
$132,905.50
$1,322,500.00
$398,000.00
$158,088.00
$90,000.00
$86,500.00
$215,000.00
$6,384.00
$213,594.00
$7,139.30
$165,111.00

 
% with
Monitoring

10
7
3
73
73
76
0
23
8
7
0
39
3
1
 
% with
Project
Contact

21
25
18
8
7
84
0
33
25
0
0
52
6
17

 
Mean
Cost

$518,814.11
$225,169.46
$542,007.45
$298,876.00
$1,036,447.50
$575,597.00
$159,969.00
$514,616.77
$158,573.12
$1,657,824.77
$13,489.21
$385,615.33
$44,003.34
$238,773.50
Upper 95%
Confidence
Interval
Value

$1,805,842.15
$716,510.72
$1,076,148.96
$849,530.07
$2,175,669.32
$1,387,655.55
$337,455.34
$2,376,065.46
$370,679.29
$4,936,045.08
$62,638.17
$1,008,532.84
$605,853.82
$570,675.11

 
Standard
Deviation

928639.036536
354521.155065
385403.140483
397317.575643
821991.298186
585930.721290
128063.052763
1343105.098530
153042.558329
2365358.989894
35462.824795
449458.356793
405396.207463
239479.470196

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 Lower Cheaspeake is: 3741
Total number of NRRSS records with no Project Intent values for Lower Cheaspeake is: 111
Percentage of NRRSS records with no Project Intent values for Lower Cheaspeake is: 2%

 


 

 

Project Information by Year of Completion for Lower Cheaspeake Node


 
Year of
Completion

1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004

 
Number of
Projects

3
3
2
2
9
13
7
18
26
21
26
28
175
253
343
399
842
1,078
366
5

 
% with
Cost

100
100
100
100
55
23
14
22
11
14
19
17
3
10
5
6
42
62
92
80

 
Minimum
Cost

$68,000.00
$14,957.00
$22,750.00
$27,700.00
$147,201.00
$73,435.00
$119,850.00
$22,000.00
$45,000.00
$162,582.00
$15,750.00
$41,028.00
$7,000.00
$2,500.00
$6,667.00
$4,667.00
$77.50
$42.05
$30.05
$4,119.40

 
Maximum
Cost

$99,900.00
$262,700.00
$175,000.00
$182,598.00
$1,379,900.00
$97,560.00
$119,850.00
$400,441.00
$266,100.00
$1,400,000.00
$229,000.00
$700,000.00
$1,868,380.00
$424,000.00
$2,000,000.00
$1,988,580.00
$641,000.00
$1,115,000.00
$750,000.00
$18,291.00

 
Median
Cost

$92,500.00
$233,864.00
$98,875.00
$105,149.00
$471,212.00
$88,204.00
$119,850.00
$144,967.00
$144,062.00
$242,624.00
$167,640.00
$375,519.00
$219,550.00
$75,532.00
$60,302.50
$69,235.00
$7,789.00
$6,888.00
$5,495.00
$8,821.80

 
% with
Monitoring

0
0
0
0
33
46
42
11
19
42
46
14
5
9
4
5
2
1
2
0
 
% with
Project
Contact

0
0
0
0
44
38
0
16
15
14
42
28
6
6
6
9
5
2
5
0

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

 


 
Number of Projects with the Number of Intent Categories for Lower Cheaspeake Node

# of Intent Categories

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

# Projects

2,169
1,491
61
16
2
1
1
0
0
0
0
0
0
0

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

 

 


 

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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 05:14:53 MST 2006