| Water Quality - Excess Pathogens and Chemicals from Manure, Bio-solids or Compost Applications in Surface Water | $2,033,404 |
| Water Quality - Excessive Sediment in Surface Water | $1,136,439 |
| Water Quality - Nutrients in Surface water | $1,136,261 |
| Water Quality - Pesticides in Surface Water | $632,130 |
| Water Quality - Pesticides in Groundwater | $496,495 |
| Water Quality - Excess Pathogens and Chemicals from Manure, Bio-solids or Compost Applications in Groundwater | $438,469 |
| Water Quality - Salts in Surface Water | $428,846 |
| Water Quality - Salts in Groundwater | $375,032 |
| Water Quality - Petroleum, Heavy Metals and Other Pollutants Transported to Surface Water | $344,978 |
| Water Quality - Nutrients in Groundwater | $299,593 |
| Water Quality - Petroleum, Heavy Metals and Other Pollutants Transported to Groundwater | $205,850 |
| Water Quality - Elevated Water Temperature | $102,847 |
Fooling Ourselves
Boondoggle:
Iowa's Low Hanging Fruit:
Washout Revisited:
Broken Stream Banks:
Pumped up: