| Lake Lanier Water Quality Trend Monitoring | ||||||||
| Station 1 - Balus Creek | ||||||||
| Field Measurements | ||||||||
| Air | Water | Conduct. | Cond @25°C | |||||
| Sample Date | Time | Temp °C | Temp °C | pH | micromhos/cm | micromhos/cm | D.O. mg/l | |
| 07/14/99 | 1320 | 27 | 21 | 8.06 | 76 | 81 | 9.4 | |
| 07/28/99 | 1015 | 29 | 22 | 7.30 | 92 | 97 | 9.1 | |
| 08/08/99 | 1028 | 32 | 21 | 7.43 | 95 | 102 | 9.6 | |
| 08/19/99 | 1522 | 37 | 25 | 7.51 | 100 | 99 | 9.1 | |
| 09/06/99 | 1021 | 28 | 20 | 7.36 | 95 | 105 | 9.4 | |
| 09/25/99 | 1325 | 29 | 17 | 7.56 | 89 | 106 | 10.1 | |
| 10/14/99 | 1520 | 28 | 20 | 7.26 | 79 | 87 | 8.4 | |
| 10/31/99 | * 1042 | 25 | 15 | 7.49 | 78 | 95 | 9.5 | |
| 11/11/99 | 1105 | 24 | 13 | 7.41 | 74 | 94 | 9.4 | |
| 11/28/99 | * 1415 | 24 | 12 | 7.47 | 65 | 84 | 11.4 | |
| 12/15/99 | 1707 | 13 | 10 | 7.43 | 63 | 88 | 12.0 | |
| 12/26/99 | 1355 | 15 | 6 | 7.66 | 54 | 86 | 9.1 | |
| 01/15/00 | 1520 | 12 | 8 | 7.05 | 55 | 82 | 11.7 | |
| 01/27/00 | 1410 | 7 | 4 | 7.34 | 51 | 85 | 12.9 | |
| 02/13/00 | 1440 | 5 | 9 | 7.15 | 59 | 86 | 11.9 | |
| 02/24/00 | 1205 | 18 | 11 | 7.22 | 61 | 82 | 11.4 | |
| 03/09/00 | 1103 | 23 | 13 | 7.21 | 65 | 83 | 11.6 | |
| 03/27/00 | 1013 | 17 | 13 | 6.94 | 62 | 80 | 10.3 | |
| 04/11/00 | 1445 | 25 | 16 | 7.15 | 65 | 79 | 10.6 | |
| 04/27/00 | * 1612 | 25 | 16 | 7.03 | 68 | 80 | 10.2 | |
| 05/12/00 | * 1121 | 28 | 19 | 7.09 | 79 | 88 | 9.0 | |
| 05/18/00 | * 1205 | 30 | 19 | 7.12 | 78 | 88 | 9.3 | |
| 06/01/00 | 1320 | 32 | 20 | 7.31 | 85 | 93 | 8.5 | |
| 06/16/00 | 1130 | 31 | 22 | 7.32 | 92 | 97 | 8.0 | |
| Station 1 - Balus Creek | Lab Measurements | |||||||
| Fecal col. | BOD5 | TSS | Hardness | Alkalinity | COD | |||
| Sample Date | cfb/100ml | mg/l | mg/l | Turb NTU | mg/l CaCO3 | mg/l CaCO3 | mg/l | |
| 07/14/99 | 800 | 1.0 | 3.8 | 8.4 | 33 | 27 | 8.3 | |
| 07/28/99 | 500 | 2.0 | 1.5 | 4.6 | 44 | 37 | 4.2 | |
| 08/08/99 | 800 | 0.5 | 0.6 | 3.0 | 50 | 37 | 3.8 | |
| 08/19/99 | 840 | 1.1 | 2.0 | 7.4 | 52 | 40 | 19.2 | |
| 09/06/99 | 480 | 1.1 | 2.2 | 3.5 | 58 | 42 | 3.4 | |
| 09/25/99 | 60 | 1.5 | 1.4 | 2.9 | 64 | 40 | 10.1 | |
| 10/14/99 | 550 | 2.1 | 1.4 | 5.9 | 52 | 29 | 3.3 | |
| 10/31/99 | 100 | 1.3 | 2.4 | 3.8 | 56 | 35 | 0.0 | |
| 11/11/99 | 60 | 2.7 | 1.2 | 3.7 | 54 | 35 | 2.0 | |
| 11/28/99 | 300 | 1.5 | 3.0 | 5.0 | 60 | 30 | 4.0 | |
| 12/15/99 | 210 | 1.8 | 2.0 | 6.3 | 56 | 28 | 1.2 | |
| 12/26/99 | 90 | 0.3 | 0.8 | 2.8 | 58 | 31 | 2.0 | |
| 01/15/00 | 60 | 1.3 | 1.0 | 4.6 | 46 | 26 | 4.1 | |
| 01/27/00 | 100 | 0.5 | 1.4 | 4.4 | 44 | 25 | 8.3 | |
| 02/13/00 | 190 | 1.2 | 1.8 | 4.5 | 46 | 28 | 0.0 | |
| 02/24/00 | 840 | 1.5 | 1.6 | 4.2 | 50 | 37 | 0.0 | |
| 03/09/00 | 180 | 0.9 | 0.8 | 3.3 | 52 | 28 | 7.9 | |
| 03/27/00 | 580 | 1.2 | 2.4 | 4.6 | 46 | 25 | 5.9 | |
| 04/11/00 | 100 | 1.4 | 2.2 | 4.6 | 42 | 25 | 5.9 | |
| 04/27/00 | 140 | 1.9 | 2.4 | 4.3 | 48 | 26 | 3.9 | |
| 05/12/00 | 180 | 1.3 | 3.0 | 5.9 | 50 | 33 | 3.5 | |
| 05/18/00 | 150 | 1.2 | 2.4 | 5.4 | 46 | 31 | 1.8 | |
| 06/01/00 | 380 | 3.2 | 4.4 | 6.0 | 58 | 33 | 0.0 | |
| 06/16/00 | 520 | 1.1 | 2.8 | 5.5 | 52 | 35 | 0.0 | |
| NO2+NO3 | NH4 | Tot N | Tot P | |||||
| Sample Date | mg/l | mg/l | mg/l | mg/l | ||||
| 07/14/99 | 0.8289 | 0.0244 | 1.7550 | 0.0283 | ||||
| 08/08/99 | 1.0845 | 0.0081 | 1.8487 | 0.0004 | ||||
| 09/06/99 | 1.1267 | 0.0200 | 1.9069 | 0.0029 | ||||
| 10/14/99 | 0.6897 | 0.0203 | 1.1984 | 0.0305 | ||||
| 11/11/99 | 0.5964 | 0.0354 | 1.6890 | 0.0491 | ||||
| 12/15/99 | 0.7862 | 0.0149 | 1.3378 | 0.0168 | ||||
| 01/15/00 | 1.0682 | 0.0251 | 1.4704 | 0.0366 | ||||
| 02/13/00 | 0.9940 | 0.0114 | 1.1685 | 0.0246 | ||||
| 03/09/00 | 0.9131 | 0.0124 | 1.0644 | 0.0182 | ||||
| 04/11/00 | 0.8833 | 0.0001 | 1.1755 | 0.0097 | ||||
| 05/12/00 | 0.9842 | 0.0089 | 1.2389 | 0.0178 | ||||
| 06/01/00 | 1.0753 | 0.0286 | 1.2693 | 0.0195 |