Seepage Guidance Spreadsheet

8/9/2019 Seepage Guidance Spreadsheet

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DEQ Seepage Calculation Spreadsheet

Note that each worksheet has instructions and data is to be input in yellow

Three worksheet examples are provided.

Welcome to the DEQ Seepage Calculation Spreadsheet.This spreadsheet is for data input for a lagoon seepage test that

data collected at 3 day intervals or 5 days of data collected at 4 hour inte


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cells.

has either 15 days of

rvals.


3/38

Lagoon Seepage Rate Test for 15 days of data collected at 3 day intervals

Owner/Facility/HOA/Permittee:

Responsible P.E. or P. G. :

Phone Number:

Name of Lagoon:

Test Start Date:

Test Start Time:

Equipment used for lagoon:

Equipment Accuracy: 0 %FS 0 Range (ft)

Equipment used for pan:

Equipment Accuracy: 0 %FS 0 Range (ft)

Definitions: (Refer to guidance for additional information)

Date ES ES Error n

inches inches inches +/- inches inches +/- in days

0

0.000 0.000 0.000 #N/A #N/A 3

0.000 0.000 #N/A #N/A 3

0.000 0.000 #N/A #N/A 30.000 0.000 #N/A #N/A 3

0.000 0.000 #N/A #N/A 3

0.000 #VALUE! 15

Date

in/day +/- in/day +/- in/day

30-Dec 0 #DIV/0!

30-Dec 3 #N/A #N/A #DIV/0!

30-Dec 6 #N/A #N/A #DIV/0!

30-Dec 9 #N/A #N/A #DIV/0!

30-Dec 12 #N/A #N/A #DIV/0!

30-Dec 15 #N/A #N/A #DIV/0!

in/day in/day

Total Day 15 15 #VALUE! #N/A #N/A #N/A

Average 15 #N/A #N/A #DIV/0! #N/A #N/A

ES0

: lagoon surface elevation at start of test for new time increment(units: inches)

ESN

: lagoon surface elevation at day n (units:inches)

ES: lagoon surface elevation change (units:inches)P: see pan coefficient worksheet for table and temperature range

Epan 0:

evap pan surface elevation start of test for new time increment (units:inches)

Epan n:

evap pan surface elevation day n (units:inches)

n: time in days

ES0

ESN

IL

IL Error

Testingtime

TestingDay

Sr1

Sr1

Equipment

Error

Sr1

Sampling

Error

WorstCase

BestCase

ES = Es0-Esn

2

0.000

0.100

0.200

0.3000.400

0.500

0.600

0.700

0.800

0.900

1.000

inc

hes

The leakage rate for lagoons constructed after April 15, 2007 shall be no more (0.125) inches (1/8 inch) per day


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Hook Gauge Reading Hook gauge readings shall be repeated a minimum of seven (7) ti

Date one two three four five six seven average

30-Dec #DIV/0!

30-Dec #DIV/0!30-Dec #DIV/0!

30-Dec #DIV/0!

30-Dec #DIV/0!

30-Dec #DIV/0!

Hook Gauge Reading

Dateone two three four five six seven average

30-Dec #DIV/0!

30-Dec #DIV/0!

30-Dec #DIV/0!

30-Dec #DIV/0!30-Dec #DIV/0!

30-Dec #DIV/0!

Additional Gauge Reading


30-Dec #DIV/0!

30-Dec #DIV/0!

30-Dec #DIV/0!

30-Dec #DIV/0!

30-Dec #DIV/0!

30-Dec #DIV/0!

, . .


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Instructions:

Precipitation Event (C: Correction Factor)

Precipitation events greater that four hours require a correction fa

(See worksheet:Precipitation Event, and column U in this s

0.000 Inches Leave C at 1 if there is no need to correct for an event in a

0.000 Inches

Note that error calculations are based on the Propagati

Equipment Error:

Air Temp. P Evap pan Precipitation Q

F coefficent inches inches inches +/- in inches inches gallons

#N/A 0.000 0.000 0.000 0.000 0

#N/A 0.000 0.000 0.000 0

#N/A 0.000 0.000 0.000 0#N/A 0.000 0.000 0.000 0

#N/A 0.000 0.000 0.000 0

#VALUE! #VALUE! 0.000 0.000 0.000

1. Enter information in all yellow fields.

2. Provide all additional calculations and comments pertaining to testin

3. If you are using a hook guage, enter additional information (see line

4. Precipitation events more than 4 hours duration require additional ca

5. Air Temperature is rounded to nearest degree F.

Sr1: seepage rate (units: inches/day) Sampling Error: the standard error of the sample st

IL: net lagoon evaporation (units:inches)

Air Temperature: median over test interval

Epan 0

Epan n

Epanerror

EffluentQ

Q= ((effluent flow-influent flow (gallons))*ft3*12in) /

R1= (ES-I L-Q+precipitation)/n = inches day

IL=P*(precipitation+E PAN 0-EPAN n)*C

4 6 8 10 12 14 16

Comparison of ES and Evaporation in Pan

ES Evap pan

and for

2 4 6

0.0000

2.0000

4.0000

6.0000

8.0000

10.0000

12.0000

Seep

inche

s

Sampling Error = (standard deviation)/(n1/2)

Equip. Error= (%FS/100* Ran


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es and numerically averaged.

#DIV/0! Stilling Well

#DIV/0!#DIV/0! Note that empty cells are not counted,

#DIV/0! cells with zero are included in

#DIV/0! the average.

#DIV/0!

#DIV/0! Evaporative Pan

#DIV/0!

#DIV/0! Note that empty cells are not counted,

#DIV/0! cells with zero are included in#DIV/0! the average.

#DIV/0!

#DIV/0! Location of Gauge:

#DIV/0!




#DIV/0!

samplingerror

samplingerror

samplingerror


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ctor.

heet.)

test time interval.

on of Uncertainty.

Influent Q Lagoon SA

gallons ft2 see note

0 1 1.00

0 1 1.00

0 1 1.000 1 1.00

0 1 1.00

1.00

.

46).

lculations (See Precipitation Worksheet).

ndard deviation

C: precipfactor

(lagoon surface area ft2 *7.48 gal.*ft)

8 10 12 14 16

age (SR1)

ge) *12inches/ft


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9/38

Lagoon Seepage Rate Test-for 5 days of testing data collected at 4 hour intervals



Phone Number:

Name of Lagoon:

Test Start Date:

Test Start Time:


Equipment Accuracy: %FS Range (ft)



Equipment used for precipitation: Equipment Accuracy:


Seepage ES ES Error

inches +/- inches inches inches inches +/- inches inches +/

1 1- Day One Initial Conditions

2 2 #N/A #N/A 0.000 0.000 0.000 #N/A #N3 3 #N/A #N/A 0.000 0.000 #N/A #N

4 4 #N/A #N/A 0.000 0.000 #N/A #N

5 5 #N/A #N/A 0.000 0.000 #N/A #N

6 6 #N/A #N/A 0.000 0.000 #N/A #N

7 7-Day Two #N/A #N/A 0.000 0.000 #N/A #N

8 8 #N/A #N/A 0.000 0.000 #N/A #N

9 9 #N/A #N/A 0.000 0.000 #N/A #N

10 10 #N/A #N/A 0.000 0.000 #N/A #N

11 11 #N/A #N/A 0.000 0.000 #N/A #N

12 12 #N/A #N/A 0.000 0.000 #N/A #N

13 13-Day Three #N/A #N/A 0.000 0.000 #N/A #N

14 14 #N/A #N/A 0.000 0.000 #N/A #N

15 15 #N/A #N/A 0.000 0.000 #N/A #N

16 16 #N/A #N/A 0.000 0.000 #N/A #N

17 17 #N/A #N/A 0.000 0.000 #N/A #N18 18 #N/A #N/A 0.000 0.000 #N/A #N

19 19- Day Four #N/A #N/A 0.000 0.000 #N/A #N

20 20 #N/A #N/A 0.000 0.000 #N/A #N

21 21 #N/A #N/A 0.000 0.000 #N/A #N

22 22 #N/A #N/A 0.000 0.000 #N/A #N

23 23 #N/A #N/A 0.000 0.000 #N/A #N

24 24 #N/A #N/A 0.000 0.000 #N/A #N

25 25-Day Five #N/A #N/A 0.000 0.000 #N/A #N

26 26 #N/A #N/A 0.000 0.000 #N/A #N

27 27 #N/A #N/A 0.000 0.000 #N/A #N

28 28 #N/A #N/A 0.000 0.000 #N/A #N

29 29 #N/A #N/A 0.000 0.000 #N/A #N

30 30 #N/A #N/A 0.000 0.000 #N/A #N

31 31 #N/A #N/A 0.000 0.000 #N/A #N

0.000 #N/A

n: tim

ES0

: lagoon surface elevation at start of test for new time increment(units: inches) Sr1:

ESN


ES: lagoon surface elevation change (units:inches)

P: see pan coefficient worksheet for table and temperature range IL: n

Epan 0:


Epan n:

evap pan surface elevation day n (units:inches) Air T

Tests 6 perday every 4

hours

SeepageError E

S0E

SNIL

IL

ES = Es0-Esn


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F P

30 1.0000

31 0.9906

32 0.9812

33 0.971834 0.9624

35 0.9530

36 0.9438

37 0.9346

38 0.9254

39 0.9162

40 0.9070

41 0.8976

42 0.8882

43 0.8788

44 0.8694

45 0.860046 0.8508

47 0.8416

48 0.8324

49 0.8232

50 0.8140 Please note:

51 0.8046 Freezing temperatures result in data which is not compatible with the see

52 0.7952

53 0.7858

54 0.7764

55 0.7670

56 0.7578

57 0.748658 0.7394

59 0.7302

60 0.7210

61 0.7116

62 0.7022

63 0.6928

64 0.6834

65 0.6740

66 0.6648

67 0.6556

68 0.6464

69 0.637270 0.6280

71 0.6186

72 0.6092

73 0.5998

74 0.5904

75 0.5810

76 0.5720

77 0.5630

AirTemperature

PanCoefficient

20 30 40 50 60 70 80 90 100 110 1200.0000

0.2000

0.4000

0.6000

0.8000

1.0000

1.2000

Pan Coefficient P

P

Mean Air Temperature (F)

Pan

Coefficient(P)


11/38

78 0.5540

79 0.5450

80 0.5360

81 0.5264

82 0.5168

83 0.5072

84 0.497685 0.4880

86 0.4786

87 0.4693

88 0.4600

89 0.4507

90 0.4414

91 0.4321

92 0.4228

93 0.4135

94 0.4042

95 0.3949

96 0.385697 0.3763

98 0.3670

99 0.3577

100 0.3484

101 0.3391

102 0.3298

103 0.3205

104 0.3112

105 0.3019

106 0.2926

107 0.2833

108 0.2740109 0.2647

110 0.2554


12/38

page rate calculations

an Coefficient P


13/38


14/38

Precipitation Event (C: Correction Factor) CalculatorPrecipitation events greater that four hours in time require a correction factor.

multiple precipitation events (greater than four hours) needed to be added together.

Sum the total hours of the precipitation events, for a test time interval.

Instructions

1. Fill in hours for precipitation event(s) during test time interval.

2. Fill in hours of test interval.

3. Change C in the Seepage test spreadsheet.

4. Enter information about the precipitation events in notes.

hours

C n

hours

#DIV/0!

Notes: 0.00 Sum Total

Notes about precipitation events should be entered here.

Note: For a test interval with multiple precipitation events,

P: pan coefficient from Table see attached worksheet

n: time in hours of the test interval

T: mean air temperature for period

Sum Total ofMultiple

Precipitation Events

precipitation inhours

precip.factor

C = (n - precipitation hours)/ n )


15/38

Lagoon seepage rate calculations to customize for testing data collected at more



Phone Number:

Name of Lagoon:

Test Start Date:

Test Start Time:





Equipment used for precipitation: Equipment Acc


Seepage ES ES Error

inches +/- inches inches inches inches +/- inches

1 1- Day One Initial Conditions

2 2 #N/A #N/A 0.000 0.000 0.000

3 3 #N/A #N/A 0.000 0.0004 4 #N/A #N/A 0.000 0.000

5 5 #N/A #N/A 0.000 0.000

6 6 #N/A #N/A 0.000 0.000

7 7-Day Two #N/A #N/A 0.000 0.000

8 8 #N/A #N/A 0.000 0.000

9 9 #N/A #N/A 0.000 0.000

10 10 #N/A #N/A 0.000 0.000

11 11 #N/A #N/A 0.000 0.000

12 12 #N/A #N/A 0.000 0.000

13 13-Day Three #N/A #N/A 0.000 0.000

14 14 #N/A #N/A 0.000 0.000

15 15 #N/A #N/A 0.000 0.00016 16 #N/A #N/A 0.000 0.000

17 17 #N/A #N/A 0.000 0.000

18 18 #N/A #N/A 0.000 0.000

19 19- Day Four #N/A #N/A 0.000 0.000

20 20 #N/A #N/A 0.000 0.000

21 21 #N/A #N/A 0.000 0.000

22 22 #N/A #N/A 0.000 0.000

ES0


ESN



P: see pan coefficient worksheet for table and temperature range

Epan 0:


Epan n:



hours

SeepageError E

S0E

SN

ES = Es0-Esn


16/38


17/38

than 4 hour intervals

Instructions

0.000 Inches

0.000 Inches

racy: 0.010 Inches

Note that e

n Test time Air temp P Epan

inches +/- in days F coefficent inches inches inches

#N/A #N/A #N/A 0.000 0.000

#N/A #N/A #N/A 0.000#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

1. Enter information in

2. See the previous wor

3. The cells are not loc

n: time in daysS

r1: seepage rate (units: inches/day)



IL

IL Error

Epan 0

Epan n

SR1= (ES-I L-Q+precipitation)/n = inches day



18/38

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000#N/A #N/A #N/A 0.000

#N/A #N/A #N/A 0.000

#N/A 0.00 ### #VALUE! 0.000

30 35

The leakage rate for lagoons constructed after April 15, 2007 shall be no more (0.125) inches (1/8 inch)existing lagoons constructed prior to April 15, 2007 shall be no more than (0.25) inches (1/4 inch) per da

0 1 2 2 30.0000

2.0000

4.0000

6.0000

8.0000

10.0000

12.0000

Seepa

inches


19/38

uipment error calculations are based on the Propagation of Uncertainty.

Equipment Error:

Precipitation Q Effluent Q

+/- in inches inches gallons gallons ft2 see note inches/day

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

all fields in yellow.

ksheets for details.

ked in this worksheet and rows may be added to accommodate additional testing intervals.

Sampling Error: the standard error of the sample standard deviation

Epanerror

InfluentQ

LagoonSA

C: precipfactor

Sr1

Q= ((effluent flow-influent flow (gallons))*ft3*12in) / (lagoon surface area ft2 *7.48 gal.*ft)

Sampling Error = (standard deviation)/(n 1/2)

Equip. Error= (%FS/100* Range) *12inches/ft


20/38

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A0.000 0.00 0.000 0 0 1 1.00 #N/A

0.000 0.00 0.000 0 0 1 1.00 #N/A

0.00 0.000 1 1.00

per day and fory.

3 4 4 5 5 6

e (SR1)


21/38

Lagoon Seepage Rate Test-5 days of data collected every 4 hours

Owner/Facility/HOA/Permittee: A Lagoon Test Scenario: Pond seeps ev


Phone Number:

Name of Lagoon:

Test Start Date:

Test Start Time:


Equipment Accuracy: 0.1 %FS 1 Range (ft)



Equipment used for precipitation: Equipment


Seepage ES ES Error


1 1- Day One Initial Conditions 4.000

2 2 0.003 0.021 4.000 3.983 0.017 0.017

3 3 0.004 0.020 3.983 3.966 0.017 0.0174 4 0.005 0.020 3.966 3.949 0.017 0.017

5 5 0.002 0.021 3.949 3.932 0.017 0.017

6 6 0.001 0.021 3.932 3.915 0.017 0.017

7 7-Day Two 0.002 0.021 3.915 3.898 0.017 0.017

8 8 0.003 0.021 3.898 3.881 0.017 0.017

9 9 0.004 0.020 3.881 3.864 0.017 0.017

10 10 0.005 0.020 3.864 3.847 0.017 0.017

11 11 0.002 0.021 3.847 3.830 0.017 0.017

12 12 0.001 0.021 3.830 3.813 0.017 0.017

13 13-Day Three 0.002 0.021 3.813 3.796 0.017 0.017

14 14 0.003 0.021 3.796 3.779 0.017 0.017

15 15 0.004 0.020 3.779 3.762 0.017 0.01716 16 0.005 0.020 3.762 3.745 0.017 0.017

17 17 0.002 0.021 3.745 3.728 0.017 0.017

18 18 0.001 0.021 3.728 3.711 0.017 0.017

19 19- Day Four 0.002 0.021 3.711 3.694 0.017 0.017

20 20 0.003 0.021 3.694 3.677 0.017 0.017

21 21 0.004 0.020 3.677 3.660 0.017 0.017

22 22 0.005 0.020 3.660 3.643 0.017 0.017

ES0


ESN




Epan 0:


Epan n:



hours

SeepageError E

S0E

SN

ES = Es0-Esn


22/38

23 23 0.002 0.021 3.643 3.626 0.017 0.017

24 24 0.001 0.021 3.626 3.609 0.017 0.017

25 25-Day Five 0.002 0.021 3.609 3.592 0.017 0.017

26 26 0.003 0.021 3.592 3.575 0.017 0.017

27 27 0.004 0.020 3.575 3.558 0.017 0.017

28 28 0.005 0.020 3.558 3.541 0.017 0.017

29 29 0.002 0.021 3.541 3.524 0.017 0.01730 30 0.001 0.021 3.524 3.507 0.017 0.017

31 31 0.002 0.021 3.507 3.490 0.017 0.017

0.510

Date Best Case

in/day +/- in/day +/- in/day in/day in/day

0.0168 0.0208 0.0036 0.0376 -0.0040 1

0.0168 0.0208 0.0036 0.0376 -0.0040 2

0.0168 0.0208 0.0036 0.0376 -0.0040 30.0168 0.0208 0.0036 0.0376 -0.0040 4

0.0168 0.0208 0.0036 0.0376 -0.0040 5

Total Day 5 0.0133 0.0208 0.0341 -0.0076 5

Average 0.0168 0.0208 0.0015 0.0391 -0.0055 5

Sr1

Sr1

Equipment

Error

Sr1

Sampling

Error

WorstCase

TestingDay

0 5 10 15 20 250.015

0.016

0.017

0.018

0.019

0.020

0.021


ES Epan

inches


23/38

nly, temperature varies

0.012 Inches

0.012 Inches

ccuracy: 0.010 Inches


inches +/- in days F coefficent inches inches inches

12:00 PM 60 4.000

0.014 0.012 0.17 12:00 PM 60 0.72 4.000 3.980 0.020

0.013 0.011 0.17 4:00 PM 70 0.63 3.980 3.960 0.0200.012 0.010 0.17 8:00 PM 72 0.61 3.960 3.940 0.020

0.015 0.013 0.17 12:00 AM 56 0.76 3.940 3.920 0.020

0.016 0.013 0.17 4:00 AM 54 0.78 3.920 3.900 0.020

0.015 0.013 0.17 8:00 AM 55 0.77 3.900 3.880 0.020

0.014 0.012 0.17 12:00 PM 60 0.72 3.880 3.860 0.020

0.013 0.011 0.17 4:00 PM 70 0.63 3.860 3.840 0.020

0.012 0.010 0.17 8:00 PM 72 0.61 3.840 3.820 0.020

0.015 0.013 0.17 12:00 AM 56 0.76 3.820 3.800 0.020

0.016 0.013 0.17 4:00 AM 54 0.78 3.800 3.780 0.020

0.015 0.013 0.17 8:00 AM 55 0.77 3.780 3.760 0.020

0.014 0.012 0.17 12:00 PM 60 0.72 3.760 3.740 0.020

0.013 0.011 0.17 4:00 PM 70 0.63 3.740 3.720 0.0200.012 0.010 0.17 8:00 PM 72 0.61 3.720 3.700 0.020

0.015 0.013 0.17 12:00 AM 56 0.76 3.700 3.680 0.020

0.016 0.013 0.17 4:00 AM 54 0.78 3.680 3.660 0.020

0.015 0.013 0.17 8:00 AM 55 0.77 3.660 3.640 0.020

0.014 0.012 0.17 12:00 PM 60 0.72 3.640 3.620 0.020

0.013 0.011 0.17 4:00 PM 70 0.63 3.620 3.600 0.020

0.012 0.010 0.17 8:00 PM 72 0.61 3.600 3.580 0.020

n: time in daysS

r1: seepage rate (units: inches/day)



IL

IL Error

Epan 0

Epan n




24/38

0.015 0.013 0.17 12:00 AM 56 0.76 3.580 3.560 0.020

0.016 0.013 0.17 4:00 AM 54 0.78 3.560 3.540 0.020

0.015 0.013 0.17 8:00 AM 55 0.77 3.540 3.520 0.020

0.014 0.012 0.17 12:00 PM 60 0.72 3.520 3.500 0.020

0.013 0.011 0.17 4:00 PM 70 0.63 3.500 3.480 0.020

0.012 0.010 0.17 8:00 PM 72 0.61 3.480 3.460 0.020

0.015 0.013 0.17 12:00 AM 56 0.76 3.460 3.440 0.0200.016 0.013 0.17 4:00 AM 54 0.78 3.440 3.420 0.020

0.015 0.013 0.17 8:00 AM 55 0.77 3.420 3.400 0.020

0.426 5.00 58 0.739 0.600

30 35

The leakage rate for lagoons constructed after April 15, 2007 shall be no more (0.125) inches (1/8 inch)existing lagoons constructed prior to April 15, 2007 shall be no more than (0.25) inches (1/4 inch) per da

0 1 2 2 30.0000

0.0020

0.0040

0.0060

0.0080

0.0100

0.0120

0.0140

0.0160

0.0180

Seepa

inches


25/38

Note that error calculations are based on the Propagation of Uncertainty.

Equipment Error:


+/- in inches inches gallons gallons ft2 inches/day

0.017 0.00 0.000 0 0 1 1.00 0.0155

0.017 0.00 0.000 0 0 1 1.00 0.02660.017 0.00 0.000 0 0 1 1.00 0.0289

0.017 0.00 0.000 0 0 1 1.00 0.0111

0.017 0.00 0.000 0 0 1 1.00 0.0088

0.017 0.00 0.000 0 0 1 1.00 0.0100

0.017 0.00 0.000 0 0 1 1.00 0.0155

0.017 0.00 0.000 0 0 1 1.00 0.0266

0.017 0.00 0.000 0 0 1 1.00 0.0289

0.017 0.00 0.000 0 0 1 1.00 0.0111

0.017 0.00 0.000 0 0 1 1.00 0.0088

0.017 0.00 0.000 0 0 1 1.00 0.0100

0.017 0.00 0.000 0 0 1 1.00 0.0155

0.017 0.00 0.000 0 0 1 1.00 0.02660.017 0.00 0.000 0 0 1 1.00 0.0289

0.017 0.00 0.000 0 0 1 1.00 0.0111

0.017 0.00 0.000 0 0 1 1.00 0.0088

0.017 0.00 0.000 0 0 1 1.00 0.0100

0.017 0.00 0.000 0 0 1 1.00 0.0155

0.017 0.00 0.000 0 0 1 1.00 0.0266

0.017 0.00 0.000 0 0 1 1.00 0.0289

Sampling Error: the standard error of the sample standard deviation

Epanerror

InfluentQ

LagoonSA

C: precipfactor

Sr1

Q= ((effluent flow-influent flow (gallons))*ft3*12in) / (lagoon surface area ft2 *7.48 gal.*ft)

Sampling Error = (standard deviation)/(n 1/2)



26/38

0.017 0.00 0.000 0 0 1 1.00 0.0111

0.017 0.00 0.000 0 0 1 1.00 0.0088

0.017 0.00 0.000 0 0 1 1.00 0.0100

0.017 0.00 0.000 0 0 1 1.00 0.0155

0.017 0.00 0.000 0 0 1 1.00 0.0266

0.017 0.00 0.000 0 0 1 1.00 0.0289

0.017 0.00 0.000 0 0 1 1.00 0.01110.017 0.00 0.000 0 0 1 1.00 0.0088

0.017 0.00 0.000 0 0 1 1.00 0.0100

0.00 0.000 1 1.00

per day and fory.

3 4 4 5 5 6

e (SR1)


27/38

Lagoon Seepage Rate Test 5 days of data collected every 4 hours

Owner/Facility/HOA/Permittee: Lagoon test where equipment accuracy is


Phone Number:

Name of Lagoon:

Test Start Date:

Test Start Time:





Equipment used for precipitation: Equipment


Seepage ES ES Error


1 1- Day One Initial Conditions 8.000

2 2 0.055 0.036 8.000 7.930 0.070 0.034

3 3 0.086 0.036 7.903 7.845 0.058 0.0344 4 0.030 0.035 7.845 7.840 0.005 0.034

5 5 0.017 0.036 7.840 7.822 0.018 0.034

6 6 -0.031 0.036 7.822 7.800 0.022 0.034

7 7-Day Two -0.046 0.036 7.800 7.790 0.010 0.034

8 8 0.108 0.036 7.935 7.800 0.135 0.034

9 9 -0.031 0.036 7.749 7.781 -0.032 0.034

10 10 0.049 0.035 7.781 7.805 -0.024 0.034

11 11 -0.005 0.036 7.876 7.953 -0.077 0.034

12 12 -0.012 0.036 7.953 7.938 0.015 0.034

13 13-Day Three 0.021 0.036 7.938 7.840 0.098 0.034

14 14 0.058 0.036 7.794 7.710 0.084 0.034

15 15 0.028 0.036 7.788 7.770 0.018 0.03416 16 0.011 0.035 7.760 7.754 0.006 0.034

17 17 -0.023 0.036 7.731 7.757 -0.026 0.034

18 18 -0.015 0.036 7.757 7.730 0.027 0.034

19 19- Day Four 0.060 0.036 7.831 7.700 0.131 0.034

20 20 -0.017 0.036 7.652 7.640 0.012 0.034

21 21 -0.030 0.036 7.660 7.700 -0.040 0.034

22 22 0.097 0.035 7.600 7.510 0.090 0.034

ES0


ESN




Epan 0:


Epan n:



hours

SeepageError E

S0E

SN

ES = Es0-Esn


28/38

23 23 0.123 0.036 7.599 7.485 0.114 0.034

24 24 -0.033 0.036 7.549 7.523 0.026 0.034

25 25-Day Five -0.047 0.036 7.532 7.516 0.016 0.034

26 26 -0.050 0.036 7.594 7.596 -0.002 0.034

27 27 0.023 0.036 7.506 7.496 0.010 0.034

28 28 0.109 0.035 7.496 7.400 0.096 0.034

29 29 0.083 0.036 7.472 7.400 0.072 0.03430 30 -0.008 0.036 7.444 7.400 0.044 0.034

31 31 -0.011 0.036 7.46 7.43 0.027 0.034

1.003

Date Best Case

in/day +/- in/day +/- in/day in/day in/day

0.1102 0.0360 0.1231 0.1463 0.0742 1

0.1296 0.0360 0.1244 0.1656 0.0936 2

0.1192 0.0360 0.0865 0.1552 0.0831 30.0937 0.0360 0.1821 0.1297 0.0577 4

0.1472 0.0360 0.1484 0.1832 0.1111 5

Total Day 5 0.1289 0.0360 0.1649 0.0929 5

Average 0.1200 0.0360 0.0568 0.2128 0.0271 5

Sr1

Sr1

Equipment

Error

Sr1

Sampling

Error

WorstCase

TestingDay

0 5 10 15 20 25-0.150

-0.100

-0.050

0.000

0.050

0.100

0.150


ES Epan

inches


29/38

different

0.024 Inches

0.012 Inches

ccuracy: 0.010 Inches

Note that

Equipment


inches +/- in days F coefficent inches inches inches +/- in

12:00 PM 60 8.000

0.015 0.012 0.17 12:00 PM 60 0.72 8.000 7.979 0.021 0.017

-0.028 0.011 0.17 4:00 PM 70 0.63 7.979 8.023 -0.044 0.017-0.025 0.010 0.17 8:00 PM 72 0.61 8.023 8.064 -0.041 0.017

0.001 0.013 0.17 12:00 AM 56 0.76 8.064 8.063 0.001 0.017

0.053 0.013 0.17 4:00 AM 54 0.78 8.063 7.995 0.068 0.017

0.086 0.013 0.17 8:00 AM 55 0.77 7.995 7.912 0.083 0.017

0.027 0.012 0.17 12:00 PM 60 0.72 7.912 7.875 0.037 0.017

-0.001 0.011 0.17 4:00 PM 70 0.63 7.875 7.876 -0.001 0.017

-0.023 0.010 0.17 8:00 PM 72 0.61 7.876 7.963 -0.087 0.017

-0.072 0.013 0.17 12:00 AM 56 0.76 7.963 8.058 -0.095 0.017

0.027 0.013 0.17 4:00 AM 54 0.78 8.058 8.023 0.035 0.017

0.077 0.013 0.17 8:00 AM 55 0.77 8.023 7.923 0.100 0.017

0.026 0.012 0.17 12:00 PM 60 0.72 7.923 7.887 0.036 0.017

-0.010 0.011 0.17 4:00 PM 70 0.63 7.887 7.903 -0.016 0.017-0.005 0.010 0.17 8:00 PM 72 0.61 7.903 7.912 -0.009 0.017

-0.003 0.013 0.17 12:00 AM 56 0.76 7.912 7.916 -0.004 0.017

0.062 0.013 0.17 4:00 AM 54 0.78 7.916 7.856 0.060 0.017

0.071 0.013 0.17 8:00 AM 55 0.77 7.856 7.763 0.093 0.017

0.029 0.012 0.17 12:00 PM 60 0.72 7.763 7.723 0.040 0.017

-0.010 0.011 0.17 4:00 PM 70 0.63 7.723 7.739 -0.016 0.017

-0.007 0.010 0.17 8:00 PM 72 0.61 7.739 7.751 -0.012 0.017

n: time in daysS

r1: seepage rate (units: inches/day) Sampling E



IL

IL Error

Epan 0

Epan n

Epanerror

Q= ((efflu


IL=P*(precipitation+EPAN 0-EPAN n)

Sampling


30/38

-0.009 0.013 0.17 12:00 AM 56 0.76 7.751 7.763 -0.012 0.017

0.059 0.013 0.17 4:00 AM 54 0.78 7.763 7.687 0.076 0.017

0.063 0.013 0.17 8:00 AM 55 0.77 7.687 7.605 0.082 0.017

0.048 0.012 0.17 12:00 PM 60 0.72 7.605 7.539 0.066 0.017

-0.013 0.011 0.17 4:00 PM 70 0.63 7.539 7.560 -0.021 0.017

-0.013 0.010 0.17 8:00 PM 72 0.61 7.560 7.581 -0.021 0.017

-0.011 0.013 0.17 12:00 AM 56 0.76 7.581 7.596 -0.015 0.0170.052 0.013 0.17 4:00 AM 54 0.78 7.596 7.529 0.067 0.017

0.038 0.013 0.17 8:00 AM 55 0.77 7.529 7.480 0.049 0.017

0.503 5.00 58 0.739 0.520

30 35

The leakage rate for lagoons constructed after April 15, 2007 shall be no more (0.125) inches (1/8 inch) per dayexisting lagoons constructed prior to April 15, 2007 shall be no more than (0.25) inches (1/4 inch) per day.

0 1 2 2 3 30.0000

0.0200

0.0400

0.0600

0.0800

0.1000

0.1200

0.1400

0.1600

Seepage (SR1

inches


31/38

rror calculations are based on the Propagation of Uncertainty.

Error:


inches inches gallons gallons ft2 see note inches/day

0.00 0.000 0 0 1 1.00 0.3292

0.00 0.000 0 0 1 1.00 0.51380.00 0.000 0 0 1 1.00 0.1799

0.00 0.000 0 0 1 1.00 0.1035

0.00 0.000 0 0 1 1.00 -0.1866

0.03 0.000 0 0 1 1.00 -0.2782

0.00 0.000 0 0 1 1.00 0.6499

0.00 0.000 0 0 1 1.00 -0.1882

0.05 0.000 0 0 1 1.00 0.2912

0.00 0.000 0 0 1 1.00 -0.0301

0.00 0.000 0 0 1 1.00 -0.0730

0.00 0.000 0 0 1 1.00 0.1278

0.00 0.000 0 0 1 1.00 0.3483

0.00 0.000 0 0 1 1.00 0.16830.00 0.000 0 0 1 1.00 0.0689

0.00 0.000 0 0 1 1.00 -0.1378

0.02 0.000 0 0 1 1.00 -0.0907

0.00 0.000 0 0 1 1.00 0.3580

0.00 0.000 0 0 1 1.00 -0.1010

0.00 0.000 0 0 1 1.00 -0.1797

0.00 0.000 0 0 1 1.00 0.5839

rror: the standard error of the sample standard deviation

InfluentQ

LagoonSA

C: precipfactor

Sr1

ent flow-influent flow (gallons))*ft3*12in) / (lagoon surface area ft2 *7.48 gal.*ft)

rror = (standard deviation)/(n 1/2)



32/38

0.00 0.000 0 0 1 1.00 0.7386

0.00 0.000 0 0 1 1.00 -0.1980

0.00 0.000 0 0 1 1.00 -0.2814

0.00 0.000 0 0 1 1.00 -0.2975

0.00 0.000 0 0 1 1.00 0.1391

0.00 0.000 0 0 1 1.00 0.6528

0.00 0.000 0 0 1 1.00 0.50020.00 0.000 0 0 1 1.00 -0.0481

0.00 0.000 0 0 1 1.00 -0.0635

0.10 0.000 1 1.00

and for

4 4 5 5 6

)


33/38

Lagoon Seepage Rate Test for 15 days of data collected at 3 day intervals

Owner/Facility/HOA/Permittee: 15 Day Example Test


Phone Number:

Name of Lagoon:

Test Start Date:

Test Start Time:






Date ES ES Error n

inches inches inches +/- inches inches +/- in days

4.000 0

1-Jun 4.000 3.480 0.520 0.017 0.135 0.011 3 8

4-Jun 3.480 2.990 0.490 0.017 0.098 0.011 3 8

7-Jun 3.080 2.580 0.500 0.017 0.120 0.011 3 810-Jun 2.580 2.078 0.502 0.017 0.071 0.011 3 8

13-Jun 2.078 1.600 0.478 0.017 0.135 0.011 3 8

2.490 0.558 15

Date

in/day +/- in/day +/- in/day

30-Dec 0 0

1-Jun 3 0.1284 0.0095 0

4-Jun 6 0.1306 0.0094 0

7-Jun 9 0.1268 0.0094 0

10-Jun 12 0.1436 0.0093 0

13-Jun 15 0.1144 0.0095 0

in/day in/day

Total Day 15 15 0.1288 0.0094 0.1382 0.1194

Average 15 0.1288 0.0094 0.0047 0.1428 0.1147

ES0


ESN


ES: lagoon surface elevation change (units:inches)P: see pan coefficient worksheet for table and temperature range

Epan 0:


Epan n:


n: time in days

ES0

ESN

IL

IL Error

Testingtime

TestingDay

Sr1

Sr1

Equipment

Error

Sr1

Sampling

Error

WorstCase

BestCase

ES = Es0-Esn

2

0.000

0.100

0.200

0.300

0.400

0.500

0.600

inc

hes

The leakage rate for lagoons constructed after April 15, 2007 shall be no more (0.125) inches (1/8 inch) per day


34/38

Hook Gauge Reading Hook gauge readings shall be repeated a minimum of seven (7) ti

Date one two three four five six seven average

30-Dec 4.0000 4.0094 3.9895 4.0053 3.9952 4.0116 3.9934 4.0006

1-Jun 3.4800 3.4855 3.4752 3.4898 3.4729 3.4885 3.4711 3.48044-Jun 2.9900 3.0019 2.9895 2.9966 2.9792 2.9969 2.9780 2.9903

7-Jun 2.5800 2.5820 2.5722 2.5883 2.5717 2.5859 2.5766 2.5795

10-Jun 2.0780 2.0809 2.0690 2.0809 2.0704 2.0879 2.0711 2.0769

13-Jun 1.6000 1.6022 1.5938 1.6086 1.5947 1.6008 1.5975 1.5997

Hook Gauge Reading


30-Dec 4.0000 4.0088 3.9958 4.0052 3.9929 4.0085 3.9966 4.0011

1-Jun 3.8000 3.8066 3.7901 3.8001 3.7959 3.8069 3.7886 3.7983

4-Jun 3.6500 3.6566 3.6426 3.6547 3.6482 3.6603 3.6445 3.6510

7-Jun 3.8200 3.8259 3.8135 3.8207 3.8153 3.8236 3.8168 3.819410-Jun 3.7100 3.7135 3.7026 3.7210 3.7021 3.7134 3.6999 3.7089

13-Jun 3.8000 3.8008 3.7882 3.8022 3.7917 3.8097 3.7950 3.7982

Additional Gauge Reading


30-Dec #DIV/0!

1-Jun #DIV/0!

4-Jun #DIV/0!

7-Jun #DIV/0!

10-Jun #DIV/0!

13-Jun #DIV/0!

, . .


35/38

Instructions:

Precipitation Event (C: Correction Factor)

Precipitation events greater that four hours require a correction fa

(See worksheet:Precipitation Event, and column U in this s

0.012 Inches Leave C at 1 if there is no need to correct for an event in a

0.012 Inches 6. An example is on Worksheet:Example Two

Note that equipment error calculations are based on th

Equipment Error:

Air Temp. P Evap pan Precipitation Q

F coefficent inches inches inches +/- in inches inches gallons

4.000

65 0.674 4.000 3.800 0.200 0.017 0.00 0.000 0

67 0.656 3.800 3.650 0.150 0.017 0.00 0.000 0

66 0.665 4.000 3.820 0.180 0.017 0.00 0.000 068 0.646 3.820 3.710 0.110 0.017 0.00 0.000 0

65 0.674 4.000 3.800 0.200 0.017 0.00 0.000 0

66 0.665 0.840 0.000 0.000

1. Enter information in all yellow fields.

2. Provide all additional calculations and comments pertaining to testin

3. If you are using a hook guage, enter additional information (see line

4. Precipitation events more than 4 hours duration require additional ca

5. Air Temperature is rounded to nearest degree F.

Sr1: seepage rate (units: inches/day) Sampling Error: the standard error of the sample st



Epan 0

Epan n

Epanerror

EffluentQ

Q= ((effluent flow-influent flow (gallons))*ft3*12in) /

R1= (ES-I L-Q+precipitation)/n = inches day


4 6 8 10 12 14 16


ES Evap pan

and for

2 4 6

0.0000

0.0200

0.0400

0.0600

0.0800

0.1000

0.1200

0.1400

0.1600

Seep

inche

s

Sampling Error = (standard deviation)/(n1/2)

Equip. Error= (%FS/100* Ran


36/38

es and numerically averaged.

0 Stilling Well

00 Note that empty cells are not counted,

0 cells with zero are included in

0 the average.

0

0 Evaporative Pan

0

0 Note that empty cells are not counted,

0 cells with zero are included in0 the average.

0

#DIV/0! Location of Gauge:

#DIV/0!




#DIV/0!

samplingerror

samplingerror

samplingerror


37/38

ctor.

heet.)

test time interval.

e Propagation of Uncertainty.

Influent Q Lagoon SA

gallons ft2 see note

0 1 1.00

0 1 1.00

0 1 1.000 1 1.00

0 1 1.00

1 1.00

.

46).

lculations (See Precipitation Worksheet).

ndard deviation

C: precipfactor

(lagoon surface area ft2 *7.48 gal.*ft)

8 10 12 14 16

age (SR1)

ge) *12inches/ft


38/38

Documents

Seepage Guidance Spreadsheet