77 Ill. Adm. Code 900.TABLE A
A Sources of Pollution in Location to Wells and/or Finished Water Storage Facilities
Section 900
Section 900.TABLE AÂ Sources
of Pollution in Location to Wells and/or Finished Water Storage Facilities
Source of Pollution
Minimum Distance in Feet
Cesspools
150
Leaching Pit
100
Pit Privy
75
Subsurface Seepage Tile
75
Manure Piles
75
Septic Tank
50
Barnyard
50
Sewers
50
Footing Drainings (no
connections to
a sewer or sump handling
sewage)
10
Pump House Floor Drain
(cast-iron
with watertight joint and
having
free fall discharge to
ground
surface)
2
Lakes, Ponds, or Streams
25
NOTE:Â Distances listed above
apply only in clay and loam soils. In
gravel and sand formations
safe distances will be variable, being greater
than for clay and loam soils.Â
The necessary minimum distances listed will
depend upon ground surface
conditions, depth of water table, the location
of sources of contamination
and the ability of the soil to remove bacteria.