| Lake Lanier Water Quality Trend Monitoring | ||||||||
| 2nd Quarter (Oct-Dec 1999) 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. | 22 | 13 | 7.45 | 69 | 89 | 10.0 | |
| 2 | Flat Cr. | 21 | 17 | 7.32 | 562 | 665 | 8.7 | |
| 3 | Limestone Cr. | 18 | 14 | 7.28 | 92 | 118 | 9.7 | |
| 4 | Chatt. R. | 19 | 12 | 7.20 | 30 | 39 | 9.9 | |
| 5 | Little R. | 18 | 11 | 7.21 | 50 | 66 | 10.3 | |
| 6 | Wahoo Cr. | 16 | 11 | 7.22 | 45 | 60 | 10.3 | |
| 7 | Squirrel Cr. | 17 | 12 | 7.30 | 58 | 76 | 10.1 | |
| 8 | Chestatee R. | 16 | 11 | 7.07 | 27 | 36 | 10.6 | |
| 9 | Six Mile Cr. | 20 | 13 | 7.06 | 127 | 163 | 9.8 | |
| 10 | Buford Dam Splwy | 22 | 12 | 6.70 | 36 | 48 | 4.5 | |
| 11 | Bolling Bridge | 20 | 17 | 7.45 | 34 | 40 | 9.1 | |
| 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. | 163 | 1.6 | 1.8 | 4.6 | 56 | 31 | 2.1 |
| 2 | Flat Cr. | 799 | 2.7 | 4.4 | 4.1 | 158 | 45 | 10.9 |
| 3 | Limestone Cr. | 197 | 1.8 | 3.9 | 7.2 | 70 | 46 | 5.3 |
| 4 | Chatt. R. | 180 | 1.9 | 9.4 | 10.4 | 36 | 12 | 4.2 |
| 5 | Little R. | 306 | 1.8 | 4.2 | 6.6 | 44 | 19 | 3.2 |
| 6 | Wahoo Cr. | 375 | 1.7 | 7.7 | 8.2 | 44 | 22 | 4.3 |
| 7 | Squirrel Cr. | 193 | 2.3 | 3.7 | 5.8 | 51 | 30 | 11.6 |
| 8 | Chestatee R. | 173 | 1.5 | 5.1 | 6.5 | 37 | 13 | 4.8 |
| 9 | Six Mile Cr. | 285 | 1.7 | 1.7 | 4.1 | 68 | 16 | 4.1 |
| 10 | Buford Dam Splwy | 1 | 2.0 | 2.9 | 7.2 | 39 | 17 | 3.2 |
| 11 | Bolling Bridge | 4 | 1.2 | 2.3 | 2.2 | 38 | 15 | 6.1 |
| ‡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. | 0.6908 | 0.0235 | 1.4084 | 0.0321 | |||
| 2 | Flat Cr. | 6.0571 | 0.0937 | 12.5263 | 0.3549 | |||
| 3 | Limestone Cr. | 0.4347 | 0.0484 | 1.1244 | 0.0270 | |||
| 4 | Chatt. R. | 0.4597 | 0.0471 | 0.9800 | 0.0591 | |||
| 5 | Little R. | 1.1007 | 0.0371 | 1.9990 | 0.0767 | |||
| 6 | Wahoo Cr. | 0.5560 | 0.0198 | 1.0951 | 0.0435 | |||
| 7 | Squirrel Cr. | 0.3876 | 0.0584 | 0.9085 | 0.0728 | |||
| 8 | Chestatee R. | 0.2760 | 0.0241 | 0.6816 | 0.0324 | |||
| 9 | Six Mile Cr. | 9.1760 | 0.0563 | 12.5323 | 0.0206 | |||
| 10 | Buford Dam Splwy | 0.2522 | 0.1590 | 0.7301 | 0.0168 | |||
| 11 | Bolling Bridge | 0.0558 | 0.0382 | 0.4165 | 0.0260 |