| Adventist Health Hospital | 6 | 6 | 7,019.94 |
| Adventist Health Redbud Community Hospital | 4 | 4 | 3.73 |
| Aggrelite Rock Company | 10 | 48 | 53,354.86 |
| Benson Ridge | 28 | 28 | 198.56 |
| California Rock And Asphalt | 11 | 30 | 27,728.95 |
| Calpine - Bear Canyon Creek | 12 | 57 | 72,485.67 |
| Calpine - Calistoga Geothermal | 14 | 52 | 114,817.12 |
| Calpine - West Ford Flat | 12 | 64 | 51,499.30 |
| Calpine Unit 13: Power/Steam F | 13 | 19 | 151,504.28 |
| Calpine Unit 16: Power/Steam F | 10 | 14 | 161,059.91 |
| Clearlake Lava - Lower Plant | 10 | 28 | 62,303.76 |
| Clearlake Lava - Upper Plant | 10 | 28 | 53,096.79 |
| Clearlake Oaks Dump Site | 28 | 28 | 198.56 |
| Clearlake Park | 28 | 28 | 1,069.83 |
| Clearlake Redi-Mix - Finley | 11 | 13 | 2,204.03 |
| Clearlake Redi-Mix/Lakeport | 11 | 13 | 3,688.18 |
| Clo Wastewater Treatment Fac. | 4 | 4 | 165.20 |
| Cobb Mountain Dump Site | 28 | 28 | 324.45 |
| County Of Lake, Fmd | 5 | 5 | 13.64 |
| County Of Lake, Swm | 6 | 6 | 16,305.71 |
| Dna River Rock | 11 | 30 | 27,610.69 |
| Eastlake Sanitary Landfill | 28 | 28 | 5,622.65 |
| Helms Petroleum Products | 4 | 4 | 1,238.48 |
| Hidden Valley Sand And Gravel | 11 | 29 | 13,743.84 |
| Homestake Mining Company | 17 | 82 | 109,398.40 |
| Hvl Wastewqter Treatment Faciy | 4 | 4 | 54.10 |
| Jim Jonas, Inc. | 8 | 63 | 14,272.61 |
| Jones Mortuary | 41 | 41 | 1,381.95 |
| Kelseyville Dump Site | 28 | 28 | 6,569.06 |
| La Trianon Resort | 28 | 28 | 198.56 |
| Lacosan Gaddy Ln Potw | 4 | 4 | 89.00 |
| Lacosan Konocti Potw | 4 | 4 | 89.00 |
| Lacosan Middletown Potw | 4 | 4 | 40.30 |
| Lacosan Nw Potw | 4 | 4 | 505.70 |
| Lacosan Se Potw | 4 | 4 | 393.10 |
| Lake County Animal Control | 44 | 44 | 284.37 |
| Lake County Cleaners/Lakeport | 7 | 7 | 1,325.93 |
| Lake County Cleaners/Lower Lak | 7 | 7 | 387.97 |
| Lakeport Disposal Site | 28 | 28 | 1,069.83 |
| Lakeport Wastewtr Treatmnt Fac | 4 | 4 | 309.10 |
| Mariani Packing Company, Inc | 6 | 7 | 16,714.18 |
| Mendocino National Forest / Rabbit Glade | 28 | 28 | 6,569.06 |
| Mendocino National Forest Site #3 & 4 | 28 | 28 | 1,069.83 |
| Middletown Dump Site | 28 | 28 | 324.45 |
| Morrison Creek Dump | 28 | 28 | 324.45 |
| Nice Dump Site | 28 | 28 | 1,069.83 |
| Northern Calif. Power Agency | 3 | 3 | 808.00 |
| Pacific Bell | 6 | 6 | 336.43 |
| Pacific Bell | 6 | 6 | 91.64 |
| Pacific Bell | 6 | 6 | 95.43 |
| Pacific Bell | 6 | 6 | 120.00 |
| Pacific Bell | 6 | 6 | 60.82 |
| Pacific Bell | 6 | 6 | 145.91 |
| Pacific Bell | 6 | 6 | 58.00 |
| Pacific Bell Upper Lake | 6 | 6 | 79.23 |
| Parnum Paving/Keithly Ranch Q | 11 | 36 | 257,546.73 |
| Parnum Paving/Kelseyville | 11 | 43 | 60,110.98 |
| Parnum Paving/Middletown | 10 | 12 | 169.72 |
| Pine Grove Resort (Dup: Archived) | 28 | 28 | 6,569.06 |
| Pine Grove Resort Disposal Site | 28 | 28 | 198.56 |
| Pivniska Trucking | 10 | 10 | 6,389.72 |
| Point Lakeview Rock & Redimix | 10 | 34 | 35,107.75 |
| S-Bar-S Quarry | 10 | 28 | 88,726.89 |
| Sutter Lakeside Hospital | 6 | 6 | 9,444.52 |
| Us Coast Guard Loran Station | 6 | 6 | 945.48 |