| Lake Lanier Water Quality Trend Monitoring | |||||||
| Samples taken September 6, 1999 | |||||||
| Field Measurements | |||||||
| Air | Water | Conduct. | Cond @25°C | ||||
| Name | Time | Temp °C | Temp °C | pH | micromhos/cm | micromhos/cm | D.O. mg/l |
| Balus Cr. | 1021 | 28 | 20 | 7.36 | 95 | 105 | 9.4 |
| Flat Cr. | 1036 | 28 | 24 | 7.42 | 813 | 832 | 8.2 |
| Limestone Cr. | 1000 | 29 | 21 | 7.09 | 115 | 125 | 7.6 |
| Chatt. R. | 0935 | 25 | 24 | 7.02 | 47 | 47 | 8.1 |
| Little R. | 0915 | 24 | 20 | 7.33 | 53 | 58 | 8.9 |
| Wahoo Cr. | 0835 | 18 | 19 | 6.98 | 53 | 59 | 8.6 |
| Squirrel Cr. | 0900 | 22 | 25 | 8.33 | 46 | 45 | 9.0 |
| Chestatee R. | 1252 | 30 | 24 | 7.14 | 35 | 36 | 8.6 |
| Six Mile Cr. | 1131 | 29 | 20 | 6.93 | 221 | 244 | 9.1 |
| Buford Dam Splwy | 1158 | 32 | 12 | 6.38 | 30 | 39 | 3.8 |
| Bolling Bridge * | 1105 | 30 | 28 | 7.17 | 41 | 38 | 8.4 |
| * Note: Heavy boat traffic | |||||||
| Lab Measurements | |||||||
| Fecal col. | BOD5 | TSS | Hardness | Alkalinity | COD | ||
| Name | cfb/100ml | mg/l | mg/l | Turb NTU | mg/l CaCO3 | mg/l CaCO3 | mg/l |
| Balus Cr. | 480 | 1.1 | 2.2 | 3.5 | 58 | 42 | 3.4 |
| Flat Cr. | 1200 | 2.0 | 2.0 | 2.3 | 186 | 58 | 20.2 |
| Limestone Cr. | 160 | 1.2 | 4.4 | 9.2 | 64 | 52 | 3.4 |
| Chatt. R. | 140 | 1.5 | 13.8 | 8.5 | 32 | 14 | 6.7 |
| Little R. | 800 | 1.4 | 5.2 | 6.4 | 34 | 20 | 10.1 |
| Wahoo Cr. | 620 | 1.5 | 6.4 | 9.1 | 36 | 25 | 16.8 |
| Squirrel Cr. | 0 | 2.3 | 8.4 | 7.1 | 32 | 19 | 16.8 |
| Chestatee R. | 100 | 1.3 | 14.6 | 13.0 | 32 | 15 | 13.4 |
| Six Mile Cr. | 1350 | 1.3 | 1.4 | 2.1 | 80 | 14 | 6.7 |
| Buford Dam Splwy | 0 | 0.8 | 1.6 | 1.9 | 32 | 13 | 3.4 |
| Bolling Bridge | 0 | 1.4 | 2.0 | 2.5 | 30 | 15 | 16.8 |
| NO2+NO3 | NH4 | Tot N | Tot P | ||||
| Name | mg/l | mg/l | mg/l | mg/l | |||
| Balus Cr. | 1.1267 | 0.0200 | 1.9069 | 0.0029 | |||
| Flat Cr. | 12.2423 | 0.0632 | 22.6269 | 0.4404 | |||
| Limestone Cr. | 0.3540 | 0.0540 | 0.7010 | 0.0047 | |||
| Chatt. R. | 0.4677 | 0.0543 | 1.1495 | 0.0584 | |||
| Little R. | 1.0004 | 0.0336 | 1.6908 | 0.0508 | |||
| Wahoo Cr. | 0.3859 | 0.0394 | 1.0202 | 0.0619 | |||
| Squirrel Cr. | 0.0008 | 0.0169 | 0.4739 | 0.0310 | |||
| Chestatee R. | 0.4597 | 0.0207 | 1.0752 | 0.0598 | |||
| Six Mile Cr. | 9.8950 | 0.1047 | 12.6963 | 0.0473 | |||
| Buford Dam Splwy | 0.3566 | 0.1026 | 1.1097 | 0.0262 | |||
| Bolling Bridge | 0.0037 | 0.0115 | 0.3447 | 0.0128 |