Specific State Probable Sources that make up the National Agriculture Probable Source Group

Description of this table
Size of Assessed Waters with Probable Source
Agricultural Runoff 8              
Agricultural-Chemical Dealer 53              
Agriculture 50,513 201,803 2,306 41 2,222 529 4,373  
Animal Feeding Agric 9              
Animal Feeding Operations (Nps) 18,594 255,639 30 68   7    
Auction Barns And Off-Farm Animal Holding/Management Area 7 128            
Confined Animal Feeding Operations (Nps) 349              
Crop Production (Crop Land Or Dry Land) 9,532 190,244 0   1,000      
Crop Production With Subsurface Drainage 3,478              
Crop Related Agric 633              
Dairies (Outside Milk Parlor Areas) 1,133 2 3          
Grazing In Riparian Or Shoreline Zones 32,751 65,660 4          
Grazing Related Agric 903              
Irrigated Crop Production 11,588 225,076 227          
Livestock (Grazing Or Feeding Operations) 20,557 34,327 7 17        
Managed Pasture Grazing 3,241 117,614 0 0        
Manure Runoff 1,730   0          
Non-Irrigated Crop Production 12,960 151,297 193   195,840      
Pasture Land 508              
Permitted Runoff From Confined Animal Feeding Operations (Cafos) 4,001 14,162            
Rangeland Grazing 18,639 63,832 3          
Speciality Crop Production 48              
Specialty Crop Production 3,415 3,385 0          
Unrestricted Cattle Access 1,912