| Lake Lanier Water Quality Trend Monitoring | ||||||||
| Station 3 - Limestone 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 | 1255 | 28 | 28 | 8.29 | 45 | 41 | 9.0 | |
| 07/28/99 | 0950 | 28 | 28 | 6.85 | 61 | 56 | 7.8 | |
| 08/08/99 | 1002 | 30 | 26 | 7.28 | 100 | 97 | 8.2 | |
| 08/19/99 | 1453 | 33 | 32 | 7.97 | 70 | 61 | 9.4 | |
| 09/06/99 | 1000 | 29 | 21 | 7.09 | 115 | 125 | 7.6 | |
| 09/25/99 | 1212 | 27 | 19 | 7.32 | 111 | 124 | 8.4 | |
| 10/14/99 | 1422 | 23 | 22 | 7.12 | 112 | 120 | 7.5 | |
| 10/31/99 | 1010 | 22 | 15 | 7.34 | 101 | 123 | 9.6 | |
| 11/11/99 | 1026 | 19 | 14 | 7.28 | 92 | 117 | 9.7 | |
| 11/28/99 | 1350 | 20 | 14 | 7.19 | 91 | 116 | 10.8 | |
| 12/15/99 | 1732 | 12 | 10 | 7.37 | 82 | 115 | 11.2 | |
| 12/26/99 | 1328 | 11 | 7 | 7.40 | 76 | 117 | 9.1 | |
| 01/15/00 | 1355 | 10 | 8 | 7.01 | 74 | 112 | 11.3 | |
| 01/27/00 | 1315 | 6 | 5 | 7.13 | 75 | 122 | 12.5 | |
| 02/13/00 | 1345 | 5 | 9 | 6.88 | 80 | 116 | 11.0 | |
| 02/24/00 | 1143 | 18 | 11 | 7.00 | 84 | 114 | 10.8 | |
| 03/09/00 | 1019 | 21 | 13 | 6.99 | 84 | 109 | 11.1 | |
| 03/27/00 | 0952 | 17 | 13 | 6.70 | 85 | 109 | 8.6 | |
| 04/11/00 | 1355 | 25 | 15 | 6.88 | 89 | 108 | 8.9 | |
| 04/27/00 | 1540 | 23 | 20 | 6.69 | 63 | 69 | 8.8 | |
| 05/12/00 | 1100 | 28 | 26 | 6.82 | 44 | 42 | 8.0 | |
| 05/18/00 | 1143 | 28 | 25 | 6.92 | 41 | 41 | 8.6 | |
| 06/01/00 | 1259 | 32 | 29 | 7.21 | 49 | 45 | 8.7 | |
| 06/16/00 | 1107 | 32 | 29 | 7.38 | 57 | 54 | 8.4 | |
| Station 3 - Limestone 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 | 50 | 2.4 | 13.8 | 16.0 | 20 | 14 | 6.9 | |
| 07/28/99 | 400 | 2.8 | 15.5 | 16.0 | 32 | 21 | 9.7 | |
| 08/08/99 | 1960 | 2.4 | 15.2 | 14.0 | 48 | 39 | 19.2 | |
| 08/19/99 | 560 | 1.8 | 8.6 | 9.3 | 32 | 24 | 15.4 | |
| 09/06/99 | 160 | 1.2 | 4.4 | 9.2 | 64 | 52 | 3.4 | |
| 09/25/99 | 580 | 1.1 | 4.4 | 8.5 | 70 | 50 | 3.4 | |
| 10/14/99 | 1180 | 2.4 | 3.8 | 9.1 | 68 | 45 | 10.0 | |
| 10/31/99 | 160 | 2.0 | 2.8 | 5.7 | 70 | 50 | 6.7 | |
| 11/11/99 | 120 | 1.3 | 2.8 | 7.3 | 68 | 49 | 0.0 | |
| 11/28/99 | 400 | 1.7 | 6.2 | 6.7 | 72 | 44 | 7.9 | |
| 12/15/99 | 160 | 2.3 | 4.6 | 7.0 | 70 | 43 | 5.0 | |
| 12/26/99 | 40 | 1.3 | 3.2 | 7.2 | 74 | 45 | 2.0 | |
| 01/15/00 | 20 | 1.0 | 2.0 | 6.4 | 60 | 42 | 6.2 | |
| 01/27/00 | 180 | 0.9 | 3.8 | 7.3 | 66 | 41 | 8.3 | |
| 02/13/00 | 320 | 1.6 | 4.8 | 10.0 | 62 | 42 | 1.6 | |
| 02/24/00 | 270 | 1.5 | 5.2 | 9.4 | 62 | 44 | 6.2 | |
| 03/09/00 | 30 | 1.3 | 2.8 | 6.8 | 66 | 44 | 5.9 | |
| 03/27/00 | 290 | 1.9 | 3.8 | 7.4 | 66 | 43 | 7.9 | |
| 04/11/00 | 300 | 1.3 | 7.0 | 12.0 | 58 | 42 | 3.9 | |
| 04/27/00 | 140 | 3.6 | 10.0 | 8.1 | 42 | 25 | 9.8 | |
| 05/12/00 | 120 | 2.6 | 9.8 | 6.8 | 28 | 16 | 5.3 | |
| 05/18/00 | 60 | 2.7 | 10.8 | 7.6 | 34 | 15 | 5.3 | |
| 06/01/00 | 60 | 3.6 | 12.4 | 10.0 | 38 | 18 | 5.3 | |
| 06/16/00 | 600 | 4.6 | 11.4 | 8.2 | 48 | 20 | 5.3 | |
| NO2+NO3 | NH4 | Tot N | Tot P | |||||
| Sample Date | mg/l | mg/l | mg/l | mg/l | ||||
| 07/14/99 | 0.0286 | 0.0268 | 0.9114 | 0.0478 | ||||
| 08/08/99 | 0.1471 | 0.0231 | 0.5389 | 0.0322 | ||||
| 09/06/99 | 0.3540 | 0.0540 | 0.7010 | 0.0047 | ||||
| 10/14/99 | 0.4391 | 0.0734 | 1.2821 | 0.0275 | ||||
| 11/11/99 | 0.4022 | 0.0334 | 0.8682 | 0.0301 | ||||
| 12/15/99 | 0.4627 | 0.0384 | 1.2229 | 0.0233 | ||||
| 01/15/00 | 0.7313 | 0.0546 | 1.5421 | 0.0271 | ||||
| 02/13/00 | 0.6626 | 0.0315 | 1.0000 | 0.0263 | ||||
| 03/09/00 | 0.4709 | 0.0202 | 0.7196 | 0.0263 | ||||
| 04/11/00 | 0.5949 | 0.0166 | 0.8236 | 0.0127 | ||||
| 05/12/00 | 0.2393 | 0.0329 | 0.6160 | 0.0356 | ||||
| 06/01/00 | 0.0567 | 0.0159 | 0.3929 | 0.0386 |