Idaho Administrative Code
Title IDAPA 58 - Environmental Quality, Department of
Rule 58.01.08 - IDAHO RULES FOR PUBLIC DRINKING WATER SYSTEMS
Section 58.01.08.900 - TABLES

Universal Citation: ID Admin Code 58.01.08.900

Current through August 31, 2023

01. Table 1 -- Minimum Distances From a Public Water System Well.

Minimum Distances from a Public Water System Well

Gravity wastewater line

50 feet

Any potential source of contamination

50 feet

Pressure wastewater line

100 feet

Class A Municipal Reclaimed Wastewater Pressure distribution line

50 feet

Individual home septic tank

100 feet

Individual home disposal field

100 feet

Individual home seepage pit

100 feet

Privies

100 feet

Livestock

50 feet

Drainfield - standard subsurface disposal module

100 feet

Absorption module - large soil absorption system

150 - 300 feet, see IDAPA 58.01.03

Canals, streams, ditches, lakes, ponds and tanks used to store non-potable substances

50 feet

Storm water facilities disposing storm water originating off the well lot

50 feet

Municipal or industrial wastewater treatment plant

500 feet

Reclamation and reuse of municipal and industrial wastewater sites

See IDAPA 58.01.17

Biosolids application site

1,000 feet

(3-24-22)

02. Table 2 - Well Casing Standards for Public Water System Wells.

STEEL PIPE

WEIGHT PER FOOT (pounds)

DIAMETER (inches)

THICKNESS (inches)

Plain Ends (calculated)

With Threads and Couplings (nominal)

SIZE

External

Internal

6 (id) *

6.625

6.065

0.280

18.97

19.18

8

8.625

7.981

0.322

28.55

29.35

10

10.750

10.020

0.365

40.48

41.85

12

12.750

12.000

0.375

49.56

51.15

14 (od) *

14.000

13.250

0.375

54.57

57.00

16

16.000

15.250

0.375

62.58

18

18.000

17.250

0.375

70.59

20

20.000

19.250

0.375

78.60

22

22.000

21.000

0.500

114.81

24

24.000

23.000

0.500

125.49

26

26.000

25.000

0.500

136.17

28

28.000

27.000

0.500

146.85

30

30.000

29.000

0.500

157.53

32

32.000

31.000

0.500

168.21

34

34.000

33.000

0.500

178.89

36

36.000

35.000

0.500

189.57

* id = inside diameter

od = outside diameter (3-24-22)

Disclaimer: These regulations may not be the most recent version. Idaho may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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