| Lake Lanier Water Quality Trend Monitoring | ||||||||
| Station 8 - Chestatee River | ||||||||
| 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 | 1040 | 23 | 21 | 8.34 | 33 | 36 | 9.3 | |
| 07/28/99 | 0743 | 20 | 24 | 7.39 | 39 | 39 | 7.7 | |
| 08/08/99 | 1318 | 31 | 25 | 7.33 | 35 | 34 | 8.6 | |
| 08/19/99 | 1305 | 32 | 27 | 7.35 | 38 | 36 | 9.3 | |
| 09/06/99 | 1252 | 30 | 24 | 7.14 | 35 | 36 | 8.6 | |
| 09/25/99 | 1020 | 17 | 17 | 7.31 | 31 | 36 | 8.9 | |
| 10/14/99 | 1245 | 22 | 18 | 7.15 | 36 | 41 | 9.0 | |
| 10/31/99 | 0830 | 19 | 13 | 7.27 | 30 | 38 | 9.2 | |
| 11/11/99 | 0804 | 12 | 12 | 6.12 | 29 | 36 | 9.6 | |
| 11/28/99 | 1210 | 19 | 11 | 7.28 | 24 | 32 | 11.8 | |
| 12/15/99 | 1445 | 15 | 9 | 7.17 | 21 | 31 | 11.7 | |
| 12/26/99 | 1150 | 9 | 3 | 7.41 | 21 | 36 | 12.3 | |
| 01/15/00 | 1205 | 8 | 5 | 7.25 | 22 | 36 | 11.8 | |
| 01/27/00 | 1127 | 3 | 1 | 6.67 | 19 | 34 | 13.8 | |
| 02/13/00 | 1200 | 6 | 10 | 7.05 | 24 | 33 | 11.1 | |
| 02/24/00 | 0953 | 16 | 9 | 7.26 | 23 | 33 | 10.8 | |
| 03/09/00 | 0821 | 11 | 12 | 7.05 | 25 | 32 | 10.4 | |
| 03/27/00 | 0805 | 12 | 13 | 7.16 | 24 | 29 | 9.5 | |
| 04/11/00 | 1139 | 20 | 16 | 6.68 | 21 | 26 | 10.2 | |
| 04/27/00 | 1410 | 22 | 14 | 6.56 | 23 | 28 | 10.4 | |
| 05/12/00 | 0920 | 24 | 20 | 6.38 | 46 | 50 | 8.3 | |
| 05/18/00 | 0948 | 22 | 18 | 6.09 | 27 | 30 | 9.0 | |
| 06/01/00 | 1125 | 29 | 22 | 6.45 | 32 | 34 | 8.6 | |
| 06/16/00 | 0925 | 25 | 24 | 7.21 | 35 | 34 | 7.5 | |
| Station 8 - Chestatee River | 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 | 400 | 1.4 | 19.0 | 18.0 | 14 | 13 | 6.9 | |
| 07/28/99 | 1350 | 2.0 | 15.5 | 13.0 | 24 | 14 | 5.5 | |
| 08/08/99 | 50 | 0.5 | 5.2 | 7.9 | 26 | 14 | 0.0 | |
| 08/19/99 | 220 | 1.2 | 4.4 | 9.0 | 24 | 14 | 7.7 | |
| 09/06/99 | 100 | 1.3 | 14.6 | 13.0 | 32 | 15 | 13.4 | |
| 09/25/99 | 160 | 0.3 | 8.6 | 8.3 | 36 | 16 | 13.4 | |
| 10/14/99 | 500 | 1.2 | 13.6 | 14.0 | 36 | 13 | 0.0 | |
| 10/31/99 | 200 | 2.0 | 3.4 | 5.5 | 34 | 15 | 0.0 | |
| 11/11/99 | 80 | 1.3 | 0.2 | 4.3 | 36 | 15 | 9.9 | |
| 11/28/99 | 350 | 1.2 | 5.0 | 4.6 | 38 | 11 | 4.0 | |
| 12/15/99 | 240 | 2.5 | 7.8 | 8.4 | 40 | 11 | 5.0 | |
| 12/26/99 | 40 | 1.0 | 0.8 | 2.4 | 40 | 12 | 9.9 | |
| 01/15/00 | 80 | 1.1 | 3.0 | 4.9 | 28 | 12 | 4.1 | |
| 01/27/00 | 220 | 0.5 | 1.4 | 3.6 | 30 | 11 | 2.1 | |
| 02/13/00 | 150 | 1.4 | 5.4 | 9.0 | 30 | 16 | 1.6 | |
| 02/24/00 | 60 | 1.6 | 1.6 | 3.5 | 30 | 12 | 0.0 | |
| 03/09/00 | 60 | 1.8 | 2.2 | 3.2 | 32 | 10 | 7.9 | |
| 03/27/00 | 80 | 1.0 | 6.8 | 6.1 | 26 | 11 | 3.9 | |
| 04/11/00 | 70 | 2.0 | 8.0 | 6.3 | 26 | 10 | 7.9 | |
| 04/27/00 | 150 | 1.1 | 3.4 | 4.2 | 28 | 11 | 9.8 | |
| 05/12/00 | 50 | 1.4 | 6.4 | 5.0 | 24 | 12 | 1.8 | |
| 05/18/00 | 80 | 0.5 | 5.8 | 4.8 | 24 | 13 | 0.0 | |
| 06/01/00 | 190 | 1.0 | 6.4 | 5.9 | 26 | 12 | 0.0 | |
| 06/16/00 | 140 | 1.9 | 3.4 | 6.2 | 30 | 27 | 3.5 | |
| NO2+NO3 | NH4 | Tot N | Tot P | |||||
| Sample Date | mg/l | mg/l | mg/l | mg/l | ||||
| 07/14/99 | 0.3086 | 0.0282 | 0.8489 | 0.0352 | ||||
| 08/08/99 | 0.1858 | 0.0292 | 0.6411 | 0.0451 | ||||
| 09/06/99 | 0.4597 | 0.0207 | 1.0752 | 0.0598 | ||||
| 10/14/99 | 0.2786 | 0.0339 | 0.8539 | 0.0408 | ||||
| 11/11/99 | 0.2102 | 0.0109 | 0.4511 | 0.0185 | ||||
| 12/15/99 | 0.3392 | 0.0275 | 0.7399 | 0.0379 | ||||
| 01/15/00 | 0.4666 | 0.0178 | 0.8649 | 0.0391 | ||||
| 02/13/00 | 0.4241 | 0.0170 | 0.6043 | 0.0275 | ||||
| 03/09/00 | 0.3247 | 0.0205 | 0.5912 | 0.0186 | ||||
| 04/11/00 | 0.3379 | 0.0494 | 0.6682 | 0.0195 | ||||
| 05/12/00 | 0.2585 | 0.0131 | 0.4480 | 0.0178 | ||||
| 06/01/00 | 0.3647 | 0.0191 | 0.4293 | 0.0127 |