[Code of Federal Regulations]
[Title 40, Volume 26]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR412.13]

[Page 199]
 
                TITLE 40-PROTECTION OF ENVIRONMENT
 
      CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 412-CONCENTRATED ANIMAL FEEDING OPERATIONS (CAFO) POINT SOURCE CATEGORY--Table of Contents
 
                    Subpart A-Horses and Sheep
 
Sec. 412.13  Effluent limitations attainable by the application of the best available technology economically achievable (BAT).

    (a) Except as provided in 40 CFR 125.30 through 125.32 and when the 
provisions of paragraph (b) of this section apply, any existing point 
source subject to this subpart must achieve the following effluent 
limitations representing the application of BAT: There shall be no 
discharge of process waste water pollutants into U.S. waters.
    (b) Whenever rainfall events cause an overflow of process wastewater 
from a facility designed, constructed, operated, and maintained to 
contain all process-generated wastewaters plus the runoff from a 25-
year, 24-hour rainfall event at the location of the point source, any 
process wastewater pollutants in the overflow may be discharged into 
U.S. waters.