| Imperial Irrigation District | 39 | 107 | 56,086,977.12 |
| Holly Sugar Co 3 | 24 | 104 | 791,317.38 |
| U.S. Gypsum Co Plaster City Pt | 14 | 125 | 715,110.69 |
| Santa Fe Pacific Gold Corp. | 7 | 17 | 271,415.40 |
| U.S. Gypsum Company | 6 | 18 | 227,817.90 |
| Rockwood Gas Turbine Plant | 6 | 18 | 167,834.50 |
| Imperial Resource Recovery Asc | 34 | 53 | 159,974.66 |
| Val-Rock Inc | 31 | 62 | 151,980.57 |
| Sfpp, L.P. Imperial Terminal | 30 | 318 | 123,417.28 |
| Granite Constructin Company | 6 | 10 | 83,586.41 |
| Val-Rock Inc | 6 | 8 | 82,139.31 |
| Plant East Mesa Unit 1 | 11 | 58 | 78,628.37 |
| Eight Star Equipment Company | 6 | 6 | 65,047.71 |
| Border Valley Pressing, Inc | 6 | 6 | 54,968.67 |
| Plant East Mesa Pem Unit 5&6 | 6 | 10 | 50,694.86 |
| Naval Air Facility El Centro | 36 | 1870 | 50,264.63 |
| Granite Construction Company | 6 | 16 | 44,856.30 |
| Wilbur Ellis Co | 2 | 6 | 43,500.00 |
| Granite Construction Company | 6 | 10 | 42,225.80 |
| Gibson'S All Amer. Aggre. Inc. | 6 | 8 | 34,917.50 |
| Desert Alfalfa Mills, Inc | 8 | 42 | 34,251.35 |
| Ryerson Concrete | 6 | 8 | 31,791.26 |
| Ryerson Concrete Co | 2 | 4 | 28,952.00 |
| All American Aggregates | 6 | 8 | 28,453.90 |
| American Girl Mine | 13 | 51 | 27,793.26 |
| Aggregate Products, Inc. | 6 | 10 | 24,671.07 |
| Heber Geothermal | 4 | 43 | 24,280.00 |
| Tripple I Press, Llc. | 6 | 6 | 23,819.48 |
| Farmers Land Leveling | 6 | 8 | 21,436.58 |
| Niland Marina Site | 28 | 28 | 15,117.89 |
| Ross Road & Sprr Disposal Site | 28 | 28 | 15,117.89 |
| Magazine Road Landfill | 28 | 28 | 15,117.89 |
| Magma Electric Co. Cooling Water Basins | 28 | 28 | 15,117.89 |
| Annex Shoveler Mine | 28 | 28 | 15,117.89 |
| Picacho State Park Disposal Site | 28 | 28 | 15,117.89 |
| Golden Eagle Hay Company, Inc. | 6 | 6 | 13,690.60 |
| Santa Fe Pacific Pipe Lines | 1 | 1 | 12,600.00 |
| Laidlaw Environmental Services | 45 | 81 | 12,042.68 |
| Republic Acquisitions Sanitation Lf | 28 | 28 | 11,096.42 |
| Val-Rock, Inc. | 3 | 5 | 10,700.02 |
| Ormesa 2 | 1 | 1 | 10,566.00 |
| Newmont Mining Corp. Mesquite | 2 | 2 | 10,520.00 |
| New Charleston Power L.P. | 47 | 63 | 9,550.53 |
| Chemgold, Inc | 9 | 20 | 8,888.06 |
| Salton Sea Power Gen/Unit 3 | 8 | 84 | 7,013.45 |
| Desert Gravel Company | 6 | 8 | 6,824.17 |
| Ormesa 1h | 8 | 41 | 6,574.46 |
| Plant East Mesa Unit 2 | 9 | 47 | 5,600.18 |
| Vulcan Geothermal | 6 | 26 | 5,221.71 |
| Gem 1 | 1 | 1 | 4,930.80 |
| A. W. Hoch | 8 | 51 | 4,696.98 |
| Niland Cut And Fill Site | 28 | 28 | 4,206.97 |
| Units 1 And 2 Power Plants | 8 | 38 | 3,665.36 |
| J.M. Leathers | 8 | 51 | 3,661.54 |
| J.J. Elmore | 13 | 146 | 3,226.61 |
| Brawley Disposal Site Landfill | 28 | 28 | 2,585.19 |
| Calexico Solid Waste Disposal Site | 28 | 28 | 2,517.88 |
| Red Hill Marina | 28 | 28 | 2,051.99 |
| Salt Creek Slough Illegal Disposal Site | 28 | 28 | 2,051.99 |
| Desert Shores Ds | 28 | 28 | 2,051.99 |
| Railroad St | 28 | 28 | 2,051.99 |
| Holtville Disposal Site Landfill | 28 | 28 | 1,230.09 |
| Imperial Irrig Dist | 6 | 12 | 885.32 |
| Picacho Cut And Fill Site Landfill | 28 | 28 | 642.63 |
| Planters Cotton Gin | 4 | 6 | 600.00 |
| Ocotillo Cut And Fill Landfill | 28 | 28 | 446.27 |
| Palo Verde Cut And Fill Site Landfill | 28 | 28 | 446.27 |
| Andre Road Mals Properties Illegal Site | 28 | 28 | 380.42 |
| Picacho Peak Mine | 28 | 28 | 380.42 |
| Calipatria City Landfill | 28 | 28 | 380.42 |
| Chocolate Mountains Regional Landfill | 28 | 28 | 380.42 |
| Cruickshank Rd Mals Props / City&Countysit | 28 | 28 | 380.42 |
| Gsx Services Imperial Valley Facility | 28 | 28 | 380.42 |
| Brawley Geothermal Development Area | 28 | 28 | 248.32 |
| Imperial Thermal Products, Inc. | 28 | 28 | 248.32 |
| Sludge Burial Area | 28 | 28 | 248.32 |
| Westmorland City Disposal Site | 28 | 28 | 248.32 |
| Imperial Cotton Products Holtv | 4 | 6 | 200.00 |
| Growers Orita Ginning | 4 | 6 | 200.00 |
| Hot Spa Cut And Fill Site Landfill | 28 | 28 | 172.54 |
| Earth Energy, Inc. | 4 | 7 | 132.68 |
| Salton City Cut And Fill Site | 28 | 28 | 28.07 |
| Imperial Farmers Cotton Gin | 4 | 6 | 0.00 |
| St Services | 1 | 3 | 0.00 |
| Planters Cotton Gin | 2 | 2 | 0.00 |
| Church Borchard Murphy Gin | 2 | 2 | 0.00 |