35 Ill. Adm. Code 501.405
Field Application of Livestock Waste
Section 501
Section 501.405Â Field
Application of Livestock Waste
a)Â Â Â Â Â Â Â Â For livestock management facilities and livestock waste-handling
facilities that are not required to obtain an NPDES permit, the quantity of
livestock waste applied on soils must not exceed a practical limit as
determined by soil type, especially its permeability, the soil condition
(frozen or unfrozen), the percent slope of the land, cover mulch, proximity to
surface waters and likelihood of reaching groundwater, and other relevant
considerations. These livestock waste application guidelines will be adopted under
35 Ill. Adm. Code 502.305, unless otherwise provided for by Board regulations. Facilities
required to obtain an NPDES permit are subject to the requirements in 35 Ill.
Adm. Code 502.Subpart F. Unpermitted Large CAFOs claiming an agricultural
stormwater exemption must comply with 35 Ill. Adm. Code 502.102 and the
practices listed in Section 502.510(b) to qualify for the exemption.
b)Â Â Â Â Â Â Â Â Operators of livestock waste-handling facilities must practice
odor control methods during manure removal and field application so as not to
affect a neighboring farm or non-farm residence or populated area by causing
air pollution as described in Section 501.102(d). Odor control methods include:
1)Â Â Â Â Â Â Â Â Soil injection or other methods of incorporation of waste into
the soil, including disking or plowing;
2)Â Â Â Â Â Â Â Â Consideration of climatic conditions, including wind direction
and inversions;
3)Â Â Â Â Â Â Â Â For liquid livestock waste:Â whether supernatant used for
irrigation purposes has been stored in a livestock waste lagoon system that complies
with "Design of Anaerobic Lagoons for Animal Waste Management", as
incorporated by reference at Section 501.200.
4)Â Â Â Â Â Â Â Â Other methods as described in "Management of Manure
Odor", as incorporated by reference at Section 501.200.