Ill. Admin. Code tit. 77, § 900.TABLE A – 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: 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. 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.