| Lake Lanier Water Quality Trend Monitoring | ||||||||
| Annual (Jul 1999-Jun 2000) Means | ||||||||
| Field Measurements | ||||||||
| Air | Water | Conduct. | Cond @25°C | |||||
| Station | Name | Temp °C | Temp °C | pH | micromhos/cm | micromhos/cm | D.O. mg/l | |
| 1 | Balus Cr. | 24 | 16 | 7.33 | 74 | 89 | 10.1 | |
| 2 | Flat Cr. | 23 | 19 | 7.29 | 627 | 695 | 8.8 | |
| 3 | Limestone Cr. | 22 | 18 | 7.17 | 78 | 94 | 9.4 | |
| 4 | Chatt. R. | 22 | 16 | 7.06 | 33 | 38 | 8.9 | |
| 5 | Little R. | 21 | 15 | 7.21 | 50 | 61 | 9.9 | |
| 6 | Wahoo Cr. | 19 | 14 | 7.12 | 46 | 57 | 9.9 | |
| 7 | Squirrel Cr. | 20 | 18 | 7.55 | 52 | 61 | 9.8 | |
| 8 | Chestatee R. | 19 | 15 | 7.04 | 29 | 35 | 9.9 | |
| 9 | Six Mile Cr. | 23 | 16 | 7.21 | 145 | 173 | 9.6 | |
| 10 | Buford Dam Splwy | 24 | 10 | 6.79 | 32 | 44 | 7.4 | |
| 11 | Bolling Bridge | 23 | 20 | 7.57 | 36 | 39 | 9.4 | |
| Lab Measurements | ||||||||
| Fecal col‡ | BOD5 | TSS | Hardness | Alkalinity | COD | |||
| Station | Name | cfb/100ml | mg/l | mg/l | Turb NTU | mg/l CaCO3 | mg/l CaCO3 | mg/l |
| 1 | Balus Cr. | 238 | 1.4 | 2.0 | 4.8 | 51 | 32 | 4.3 |
| 2 | Flat Cr. | 1426 | 2.4 | 3.6 | 3.3 | 156 | 47 | 12.4 |
| 3 | Limestone Cr. | 187 | 2.1 | 7.0 | 9.0 | 55 | 36 | 6.7 |
| 4 | Chatt. R. | 109 | 1.3 | 7.4 | 8.3 | 29 | 12 | 5.4 |
| 5 | Little R. | 350 | 1.3 | 4.5 | 5.9 | 36 | 18 | 4.6 |
| 6 | Wahoo Cr. | 440 | 1.2 | 7.5 | 8.3 | 37 | 22 | 5.3 |
| 7 | Squirrel Cr. | 91 | 2.0 | 8.8 | 7.4 | 38 | 23 | 8.6 |
| 8 | Chestatee R. | 138 | 1.3 | 6.3 | 7.1 | 30 | 13 | 4.9 |
| 9 | Six Mile Cr. | 405 | 1.4 | 2.6 | 4.2 | 62 | 14 | 4.7 |
| 10 | Buford Dam Splwy | 2 | 1.2 | 1.4 | 2.9 | 32 | 15 | 4.1 |
| 11 | Bolling Bridge | 2 | 1.1 | 2.1 | 2.3 | 30 | 14 | 5.9 |
| ‡Geometric mean with 0 values treated as 1 | ||||||||
| NO2+NO3 | NH4 | Tot N | Tot P | |||||
| Station | Name | mg/l | mg/l | mg/l | mg/l | |||
| 1 | Balus Cr. | 0.9192 | 0.0175 | 1.4269 | 0.0212 | |||
| 2 | Flat Cr. | 8.8644 | 0.0803 | 13.7223 | 0.4288 | |||
| 3 | Limestone Cr. | 0.3825 | 0.0351 | 0.8849 | 0.0277 | |||
| 4 | Chatt. R. | 0.5250 | 0.0359 | 0.9158 | 0.0384 | |||
| 5 | Little R. | 1.4012 | 0.0314 | 2.0627 | 0.0555 | |||
| 6 | Wahoo Cr. | 0.6508 | 0.0244 | 1.1032 | 0.0415 | |||
| 7 | Squirrel Cr. | 0.2898 | 0.0442 | 0.7328 | 0.0438 | |||
| 8 | Chestatee R. | 0.3299 | 0.0239 | 0.6847 | 0.0310 | |||
| 9 | Six Mile Cr. | 9.3907 | 0.0497 | 12.8329 | 0.0237 | |||
| 10 | Buford Dam Splwy | 0.2843 | 0.0774 | 0.6510 | 0.0163 | |||
| 11 | Bolling Bridge | 0.1211 | 0.0290 | 0.4229 | 0.0309 |