| Report Year: 2009 |
| Beeds Lake, Franklin County |
| Summary Data Table |
| Parameter | 6/25/2009 | 7/30/2009 | 2009 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Lake Depth (m) | 7.1 | 6.9 | 7.0 | 6.9 | 6.8 | 6.7 | 6.9 | 6.8 | 7.0 | 6.6 | 7.0 |
| Thermocline Depth (m) | 1.0 | 2.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Secchi Disk Depth (m) | 1.2 | 1.4 | 1.3 | 1.0 | 1.1 | 1.0 | 1.0 | 1.2 | 1.3 | 1.3 | 1.0 |
| Temperature(oC) | 22.1 | 23.8 | 22.9 | 24.9 | 23.2 | 24.7 | 23.0 | 23.7 | 23.3 | 21.3 | 23.8 |
| Dissolved Oxygen (mg/L) | 7.3 | 9.7 | 8.5 | 12.5 | 10.9 | 14.2 | 12.4 | 15.5 | 13.3 | 12.3 | 11.5 |
| Dissolved Oxygen Saturation (%) | 83 | 115 | 99.2 | 151.6 | 129.2 | 171.8 | 144.8 | 183.0 | 156.3 | 151.1 | 137.1 |
| Specific Conductivity (μS/cm) | 610.0 | 640.0 | 625.0 | 493.9 | 503.4 | 560.4 | 643.6 | 626.2 | 592.9 | 474.7 | 418.0 |
| Turbidity (NTU) | 4.2 | 1.3 | 2.8 | 7.8 | 6.7 | 15.5 | 17.0 | 8.6 | 11.9 | 13.6 | 66.1 |
| Chlorophyll a (μg/L) | 3.0 | 8.0 | 5.5 | 46.4 | 45.1 | 105.9 | 64.5 | 32.8 | 30.1 | 32.4 | 7.9 |
| Total Phosphorus as P (μg/L) | 107 | 36 | 71 | 56 | 101 | 84 | 92 | 82 | 58 | 168 | 160 |
| SRP as P (μg/L) | 77 | - | 77 | 1 | - | 4 | 13 | 9 | 1 | - | - |
| Total Nitrogen as N (mg/L) | 11.38 | 9.32 | 10.35 | 10.44 | 6.66 | 10.33 | 10.22 | 11.81 | 8.73 | 13.81 | 8.53 |
| (Phenate)Ammonia Nitrogen (NH3 + NH4+) as N (μg/L) | 160 | 48 | 104 | 68 | 107 | 90 | 16 | - | - | - | - |
| (Phenate)Ammonia Nitrogen (NH3) as N (un-ionized)(μg/L) | 8.7 | 6.8 | 7.8 | 6.3 | 15.3 | 5.6 | 2.0 | - | - | - | - |
| Nitrate + Nitrite (NO3 + NO2) as N (mg/L) | 11.09 | 8.67 | 9.88 | 9.92 | 5.43 | 9.41 | 10.35 | 11.20 | 7.65 | 13.96 | 6.97 |
| TN:TP ratio | 107 | 258 | 182 | 230 | 139 | 188 | 136 | 151 | 211 | 93 | 69 |
| pH | 8.1 | 8.5 | 8.3 | 8.3 | 8.4 | 8.2 | 8.6 | 8.3 | 8.5 | 7.8 | 7.1 |
| Alkalinity as CaCO3 (mg/L) | 249 | 228 | 239 | 188 | 190 | 198 | 197 | 162 | 174 | 195 | 201 |
| Silica as Si (mg/L) | - | - | - | - | - | 3.73 | 7.31 | 7.95 | 5.99 | - | - |
| Dissolved Organic Carbon (mg/L) | 3.02 | 3.22 | <3.6 | 4.05 | 4.10 | 6.98 | 3.72 | 6.65 | 7.31 | - | - |
| Inorganic Suspended Solids (mg/L) | 5 | 2 | 4 | 9 | 4 | 17 | 4 | 6 | 7 | 4 | 6 |
| Volatile Suspended Solids (mg/L) | - | 4 | 4 | 8 | 5 | 8 | 8 | 5 | 7 | 4 | 3 |
| Total Suspended Solids (mg/L) | 5 | 6 | 6 | 17 | 9 | 19 | 13 | 11 | 14 | 7 | 9 |
| Carlson Trophic State Index (Secchi)* | 57 | 55 | 56 | 59 | 59 | 60 | 61 | 58 | 56 | 56 | 61 |
| Carlson Trophic State Index (Chl a)* | 41 | 51 | 47 | 68 | 68 | 76 | 71 | 65 | 64 | 65 | 51 |
| Carlson Trophic State Index (TP)* | 72 | 56 | 66 | 62 | 71 | 68 | 69 | 68 | 63 | 78 | 77 |
| *Index values generally range between 0 and 100, with increasing values indicating more eutrophic conditions. |