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DDF-Design Storm Events 

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Design Storm Events:

 

 

Depth-Duration-Frequency Tables

The following tables provide sectional mean frequency distributions for storm periods of 5 minutes to 10 days and recurrence intervals of 2 months to 100 years for Michigan. Data provided in the tables is from the Rainfall Frequency Atlas of the Midwest-Bulletin 71 by Huff and Angel, 1992. Project sponsored by the Midwestern Climate Center, Climate Analysis Center, NWS, and NOAA and Illinois State Water Survey.

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1

2

3

4

5

6

7

8

9

10

 

 

  

 

Section 10

Rainfall (inches) for given recurrence interval.

 

Section

Duration

2-month

3-month

4-month

6-month

9-month

1-year

2-year

5-year

10-year

25-year

50-year

100-year

10

10-day

1.56

1.88

2.17

2.55

2.93

3.19

3.82

4.64

5.27

6.11

6.79

7.51

10

5-day

1.28

1.53

1.73

2.01

2.31

2.51

3.05

3.68

4.16

4.78

5.26

5.74

10

72-hour

1.18

1.38

1.56

1.81

2.08

2.26

2.74

3.34

3.76

4.31

4.74

5.46

10

48-hour

1.08

1.26

1.41

1.63

1.88

2.04

2.48

3.04

3.44

3.96

4.36

4.78

10

24-hour

1.03

1.2

1.31

1.51

1.72

1.87

2.26

2.75

3.13

3.6

3.98

4.36

10

18-hour

0.97

1.13

1.23

1.43

1.62

1.76

2.12

2.59

2.94

3.38

3.74

4.1

10

12-hour

0.9

1.04

1.14

1.32

1.6

1.63

1.97

2.39

2.72

3.13

3.46

3.79

10

6-hour

0.77

0.9

0.98

1.13

1.29

1.4

1.69

2.06

2.35

2.7

2.99

3.27

 

Section

Duration

2-month

3-month

4-month

6-month

9-month

1-year

2-year

5-year

10-year

25-year

50-year

100-year

10

3-hour

0.66

0.77

0.84

0.97

1.1

1.2

1.45

1.76

2

2.3

2.55

2.79

10

2-hour

0.59

0.69

0.76

0.87

0.99

1.05

1.31

1.59

1.82

2.09

2.31

2.53

10

1-hour

0.48

0.56

0.62

0.71

0.81

0.88

1.06

1.29

1.47

1.69

1.87

2.05

10

30-min

0.38

0.44

0.48

0.56

0.63

0.69

0.84

1.02

1.16

1.33

1.47

1.61

10

15-min

0.28

0.32

0.35

0.41

0.46

0.5

0.61

0.74

0.85

0.97

1.07

1.18

10

10-min

0.21

0.25

0.27

0.32

0.36

0.36

0.47

0.58

0.66

0.76

0.84

0.92

10

5-min

0.12

0.14

0.15

0.18

0.2

0.22

0.27

0.33

0.38

0.43

0.48

0.52

 

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Priority Pollutants

 

GROUP 1 - STANDARD TESTS

GROUP 2 - METALS, CYANIDE AND TOTAL PHENOLS

GROUP 3 - ORGANICS VOLATILE

Grab

Grab

Grab

 

Oil and Grease

Cyanide, Total (CN-)

1,1,1-Trichloroethane

Chlorodibromomethane

Fecal Coliform (FC)

Phenols, Total

1,2-Dichloroethane

Ethylbenzene

Fecal Streptococcus (FS)

 

1,2-Dichloropropane

Methyl Bromide

   

1,1,2,2-Tetrachloroethane

Chloroethane

Field

Composite:

1,1,2-Trichloroethane

Chloroform

pH

Antimony, Total (Sb)

1,1-Dichloroethane

cis-1,3-Dichlorophropene

Temperature

Copper, Total (Cu)

1,1-Dichloroethylene

Dichlorobromomethane

Free Chlorine

Arsenic, Total (As)

1,2-trans-Dichloroethylene

Methyl Chloride

 

Beryilium,Total (Be)

2-Chloroethylvinyl Ether

Methylene Chloride

Composite

Cadmium, Total (Cd)

Acrolein

Tetrachloroethylene

Biochemical Oxygen Demand - 5 Day

Chromium, Total (Cr)

Acrylonitrile

Toluene

Total Dissolved Solids (TDS)

Lead, Total (Pb)

Benzene

trans-1,3-Dichloropropene

Total Suspended Solids (TSS)

Mercury, Total (Hg)

Bromoform

Trichloroethylene

Dissolved Phosphorus

Nickel, Total (Ni)

Carbon Tetrachloride

Vinyl Chloride

Bottle 4:

Selenium, Total (Se)

Chlorobenzene

 

Ammonia nitrogen (NH3-N)

Silver, Total (Ag)

   

Chemical Oxygen Demand

Thallium, Total (TI)

   

Nitrate plus Nitrite(NO3+NO2asN)

Zinc, Total (Zn)

   

Total Kjeldahl Nitrogen (TKN)

     

Total Phosphorus (TP)

     

GROUP 4 - ACID -

EXTRACTABLE ORGANICES

GROUP 5 - BASE AND NEUTRAL ORGANICS

 

Composite

Composite

   

2,4,6-Trichlorophenol

1.2,3-Trichlorobenzene

Benzo(a)Anthracene

Fluroranthene

2,4-Dichlorophenol

1,2-Dichlorobenzene

Benzo(a) Pyrene

Hexachlorobenzene

2,4-Dimethylphenol

1,2-Diphenylhydrazine (as azobenzene)

Benzo(ghi) Perylene

Hexachlorobutadiene

2,4-Dinitrophenol

1,3-Dchlorobenzene

Benzo(k)Fluoranthene

Hexachlorocyclopentadiene

2-Chlorophenol

1,4-Dichlorobenzene

bis (2-chloroethoxy) Methane

Hexachloroethane

2-Nitrophenol

2,4-Dinitrotoluene

bis(2-chloroethyl)Ether

Indeno(1,2,3-cd)Pyrene

4,6-Dinitro-o-Creso

2,6-Dinitrotoluene

bis(2-chloroisopropyl)Either

Isophorone

4-Nitrophenol

2-Chloronaphthalene

bis(2-ethylhexyl)Phthalate

N-Nitrosodi-n-Propylamine

P-Chloro-m-Cresol

3,3-Dichlorobenzidine

Butylbenzyiphthalate

N-Nitrosodimethylamine

Pentachlorophenol

3,4-Benzofluoranthene

Chrysene

N-Nitrosodiphenylamine

Phenol

4-Bromophenl Phenyl Ether

Di-n-butyl Phthalate

Napthalene

 

4-Chlorophenyl Phenyl Ether

Di-n-Octyl Phthalate

Nitrobenzene

 

Acenaphthene

Dibenzo(a,h)Anthracene

Phenanthrene

 

Acenaphthylene

Diethyl Phthalate

Pyrene

 

Anthracene

Dimethyl Phthalate

 
 

Benzidine

Fluorene

 

GROUP 6 - PESTICIDES AND PCBs

 

Composite

     

4,4-DDD

Endrin Aldehyde

Chlordane

PCB-Aroclor 1232

4,4-DDE

gamma-BHC (Lindane)

delta-BHC

PCB-Aroclor 1242

4,4-DDT

Heptachlor

Dieldrin

PCB-Aroclor 1248

Aldrin

Heptachlor Epoxide

Endosulfan I

PCB-Aroclor 1254

alpha-BHC

PCB-Aroclor 1016

Endosulfan II

PCB-Aroclor 1260

beta-BHC

PCB-Aroclor 1221

Endosulfan Sulfate

Toxaphene

Endrin

     

 

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Priority Pollutants

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Michigan Streams and Rivers Real Time

 

Streams Tributary to Lake Superior

Upper Peninsula Streams Tributary to Lake Michigan

Lower Peninsula Streams Tributary to Lake Michigan

Streams Tributary to Lake Huron

Streams Tributary to St. Clair River

  Streams Tributary to Detroit River

Streams Tributary to Lake Erie

USA Index to Other Streams

 

 

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Other Great Links

 

USGS-Water Resources of the USA

Michigan USGS

Resource Links

 

 

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Great Lakes

 

US Army Corps - Detroit

Great Lakes Levels

Great Lakes Information Network (GLIN)

GLIN Water-Hydrology

Great Lakes Environmental Research Laboratory (GLERL)

 

 

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