Environmental Health Regulations

Question 1

How deep to dig holes for soil samples?

Answer 1

5ft

Question 2

How much suitable soil must we have above the water table for a drain bed?

Answer 2

24 inches

Question 3

Minimum inches of suitable soil below grade for a drain field

Answer 3

must have at least 12 inches below grade because you can build a field a maximum of 12 inches above grade

Question 4

must have ______ inches of suitable soil______ of which must be above grade

Answer 4

24, 12

Question 5

filled ground must be sampled to a depth of _________ft

Answer 5

5

Question 6

fill material shall not be allowed over:

Answer 6

unstable soil, peat, muck, and organic material

Question 7

Designated replacement drain fields shall be:

Answer 7

at least same size as original field and at least 5 feet away from bed and berm

Question 8

sewer lines shall be constructed of

Answer 8

schedule 40 PVC pipe or cast iron pipe with sealed joints

Question 9

septic lines below a driveway:

Answer 9

requires 6 in or larger schedule 40 PVC pipes, concentric piping

Question 10

any sewer line greater or equal to 100 feet or a turn of more than 45 degrees requires a:

Answer 10

sewer cleanout extended to the ground surface

Question 11

sewer clean outs shall be constructed of:

Answer 11

schedule 40 PVC pipe

Question 12

aggregate or stone intended for use in a drain field must be:

Answer 12

washed, clean,

Question 13

a minimum of _____ inches of ____ or other approved material shall be placed between the stone and final cover of a drain field

Answer 13

2, straw

Question 14

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: Well

Answer 14

50, 50ft

Question 15

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: Pressurized water line

Answer 15

10, 10ft

Question 16

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: Storm and drainage ditches

Answer 16

25, 25ft

Question 17

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: Surface water inc., county drains

Answer 17

50, 50ft

Question 18

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: in ground swimming pools

Answer 18

10, 10ft

Question 19

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: slope bank(recommended)

Answer 19

10, 25ft

Question 20

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: property line(recommended)

Answer 20

10, 10ft

Question 21

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: footing drains

Answer 21

10, 25ft

Question 22

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: dwelling structure with footing drains

Answer 22

10, 25ft

Question 23

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: dwelling structure w/o footing drains

Answer 23

10, 10ft

Question 24

Isolation distances from Septic Tank / Sewer Line, Isolation distances from drain field: closed loop geothermal system

Answer 24

25, 25ft

Question 25

distance between lateral lines:

Answer 25

3ft

Question 26

maximum length of lateral lines

Answer 26

100ft

Question 27

distance between lateral lines and bed wall

Answer 27

minimum: 12 inches maximum: 24

Question 28

minimum septic tank capacity: 1-2 bedrooms

Answer 28

1000 gallons

Question 29

minimum septic tank capacity: 3 bedrooms

Answer 29

1500 gallon, 2 comp.

Question 30

minimum septic tank capacity: 4 beds

Answer 30

2000, 2 comp.

Question 31

minimum septic tank capacity: 5 bedrooms

Answer 31

2500, 2 comp.

Question 32

each additional bedroom over 5 bedrooms add:

Answer 32

500 gal to septic tank size

Question 33

Drain bed sizing: Sand and Gravel: 1-3 4 5

Answer 33

600, 700, 800

Question 34

Drain bed sizing: Loamy Sand 1-3 4 5

Answer 34

900, 1050, 1200

Question 35

Drain bed sizing: Sandy Loam 1-3 4 5

Answer 35

1350, 1575, 1800

Question 36

Drain bed sizing: Loam, Sandy Clay Loam: 1-3 4 5

Answer 36

1725, 2015, 2305

Question 37

Drain bed sizing: Silt Loam, Clay Loam 1-3 4 5

Answer 37

1800, 2400, 3000

Question 38

when sizing for a drain field add _____% for garbage disposal

Answer 38

20