| Lake Lanier Water Quality Trend Monitoring | ||||||||
| Samples taken July 14, 1999 | ||||||||
| Field Measurements | ||||||||
| Air | Water | Conduct. | Cond @25°C | |||||
| Station | Name | Time | Temp °C | Temp °C | pH | micromhos/cm | micromhos/cm | D.O. mg/l |
| 1 | Balus Cr. | 1320 | 27 | 21 | 8.06 | 76 | 81 | 9.4 |
| 2 | Flat Cr. | 1340 | 28 | 24 | 8.05 | 615 | 627 | 8.0 |
| 3 | Limestone Cr. | 1255 | 28 | 28 | 8.29 | 45 | 41 | 9.0 |
| 4 | Chatt. R. | 1230 | 29 | 21 | 7.91 | 33 | 35 | 8.9 |
| 5 | Little R. | 1155 | 28 | 22 | 8.04 | 57 | 60 | 9.0 |
| 6 | Wahoo Cr. | 1115 | 25 | 20 | 8.15 | 55 | 60 | 9.3 |
| 7 | Squirrel Cr. | 1130 | 24 | 27 | 8.21 | 51 | 47 | 8.0 |
| 8 | Chestatee R. | 1040 | 23 | 21 | 8.34 | 33 | 36 | 9.3 |
| 9 | Six Mile Cr. | 1435 | 29 | 22 | 8.09 | 150 | 159 | 8.9 |
| 10 | Buford Dam Splwy | 1505 | 28 | 11 | 7.85 | 30 | 40 | 12.4 |
| 11 | Bolling Bridge | 1410 | 29 | 27 | 8.37 | 41 | 39 | 8.7 |
| 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. | 800 | 1.0 | 3.8 | 8.4 | 33 | 27 | 8.3 |
| 2 | Flat Cr. | 5500 | 1.8 | 6.5 | 7.2 | 130 | 40 | 12.4 |
| 3 | Limestone Cr. | 50 | 2.4 | 13.8 | 16.0 | 20 | 14 | 6.9 |
| 4 | Chatt. R. | 950 | 1.2 | 12.7 | 17.0 | 15 | 11 | 4.2 |
| 5 | Little R. | 800 | 1.6 | 8.2 | 10.0 | 23 | 18 | 5.5 |
| 6 | Wahoo Cr. | 700 | 0.6 | 12.0 | 14.0 | 20 | 23 | 6.9 |
| 7 | Squirrel Cr. | 50 | 1.8 | 4.8 | 6.0 | 14 | 18 | 5.5 |
| 8 | Chestatee R. | 400 | 1.4 | 19.0 | 18.0 | 14 | 13 | 6.9 |
| 9 | Six Mile Cr. | 850 | 1.6 | 5.2 | 8.2 | 40 | 16 | 1.4 |
| 10 | Buford Dam Splwy | 0 | 1.6 | 0.5 | 1.7 | 18 | 14 | 1.4 |
| 11 | Bolling Bridge | 40 | 2.0 | 2.0 | 2.8 | 12 | 14 | 6.9 |
| NO2+NO3 | NH4 | Tot N | Tot P | |||||
| Station | Name | mg/l | mg/l | mg/l | mg/l | |||
| 1 | Balus Cr. | 0.8289 | 0.0244 | 1.7550 | 0.0283 | |||
| 2 | Flat Cr. | 6.0467 | 0.0952 | 7.8552 | 0.6242 | |||
| 3 | Limestone Cr. | 0.0286 | 0.0268 | 0.9114 | 0.0478 | |||
| 4 | Chatt. R. | 0.4893 | 0.0390 | 1.1486 | 0.0370 | |||
| 5 | Little R. | 1.3881 | 0.0394 | 2.4390 | 0.0632 | |||
| 6 | Wahoo Cr. | 0.6330 | 0.0244 | 1.4586 | 0.0460 | |||
| 7 | Squirrel Cr. | 0.0182 | 0.0435 | 0.5583 | 0.0236 | |||
| 8 | Chestatee R. | 0.3086 | 0.0282 | 0.8489 | 0.0352 | |||
| 9 | Six Mile Cr. | 9.7452 | 0.0169 | 14.2214 | 0.0223 | |||
| 10 | Buford Dam Splwy | 0.4703 | 0.0122 | 1.0026 | 0.0184 | |||
| 11 | Bolling Bridge | 0.1159 | 0.0125 | 0.5939 | 0.0098 |