| Lake Lanier Water Quality Trend Monitoring | ||||||||
| Samples taken October 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. | 1520 | 28 | 20 | 7.26 | 79 | 87 | 8.4 |
| 2 | Flat Cr. | 1545 | 25 | 22 | 7.24 | 630 | 668 | 7.5 |
| 3 | Limestone Cr. | 1422 | 23 | 22 | 7.12 | 112 | 120 | 7.5 |
| 4 | Chatt. R. | 1402 | 26 | 19 | 7.10 | 39 | 44 | 8.3 |
| 5 | Little R. | 1337 | 24 | 18 | 7.04 | 65 | 75 | 8.1 |
| 6 | Wahoo Cr. | 1305 | 22 | 18 | 7.15 | 58 | 66 | 8.4 |
| 7 | Squirrel Cr. | 1320 | 26 | 20 | 7.16 | 71 | 79 | 7.9 |
| 8 | Chestatee R. | 1245 | 22 | 18 | 7.15 | 36 | 41 | 9.0 |
| 9 | Six Mile Cr. | 1628 | 26 | 19 | 7.04 | 156 | 176 | 8.1 |
| 10 | Buford Dam Splwy | 1700 | 28 | 12 | 6.54 | 33 | 45 | 2.3 |
| 11 | Bolling Bridge | 1605 | 27 | 22 | 7.38 | 42 | 43 | 7.4 |
| Note: Heavy rain 2 days ago; light rain 1 day ago. | ||||||||
| Lab Measurements | ||||||||
| Fecal | 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. | 550 | 2.1 | 1.4 | 5.9 | 52 | 29 | 3.3 |
| 2 | Flat Cr. | 4400 | 2.9 | 4.0 | 4.5 | 164 | 51 | 16.7 |
| 3 | Limestone Cr. | 1180 | 2.4 | 3.8 | 9.1 | 68 | 45 | 10.0 |
| 4 | Chatt. R. | 1590 | 2.0 | 17.4 | 21.0 | 34 | 12 | 10.0 |
| 5 | Little R. | 1850 | 1.7 | 9.6 | 16.0 | 44 | 19 | 6.7 |
| 6 | Wahoo Cr. | 850 | 1.5 | 17.8 | 18.0 | 42 | 21 | 10.0 |
| 7 | Squirrel Cr. | 200 | 1.4 | 2.6 | 6.6 | 50 | 29 | 40.1 |
| 8 | Chestatee R. | 500 | 1.2 | 13.6 | 14.0 | 36 | 13 | 0.0 |
| 9 | Six Mile Cr. | 650 | 1.1 | 2.6 | 6.3 | 68 | 16 | 0.0 |
| 10 | Buford Dam Splwy | 0 | 1.9 | 1.4 | 7.0 | 36 | 15 | 0.0 |
| 11 | Bolling Bridge | 20 | 0.5 | 1.6 | 3.0 | 36 | 15 | 6.7 |
| NO2+NO3 | NH4 | Tot N | Tot P | |||||
| Station | Name | mg/l | mg/l | mg/l | mg/l | |||
| 1 | Balus Cr. | 0.6897 | 0.0203 | 1.1984 | 0.0305 | |||
| 2 | Flat Cr. | 6.2591 | 0.1479 | 11.2599 | 0.3487 | |||
| 3 | Limestone Cr. | 0.4391 | 0.0734 | 1.2821 | 0.0275 | |||
| 4 | Chatt. R. | 0.3401 | 0.0697 | 0.9899 | 0.0929 | |||
| 5 | Little R. | 1.0735 | 0.0503 | 1.9567 | 0.1170 | |||
| 6 | Wahoo Cr. | 0.6408 | 0.0285 | 1.3707 | 0.0619 | |||
| 7 | Squirrel Cr. | 0.2374 | 0.0567 | 0.5541 | 0.0278 | |||
| 8 | Chestatee R. | 0.2786 | 0.0339 | 0.8539 | 0.0408 | |||
| 9 | Six Mile Cr. | 10.9238 | 0.0285 | 14.2037 | 0.0145 | |||
| 10 | Buford Dam Splwy | 0.4893 | 0.0241 | 0.9164 | 0.0080 | |||
| 11 | Bolling Bridge | 0.0215 | 0.0367 | 0.4596 | 0.0245 |