| Report Year: 2011 |
| Beeds Lake, Franklin County |
| Summary Data Table |
| Parameter | 6/7/2011 | 7/26/2011 | 9/6/2011 | 2011 | 2010 | 2009 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Lake Depth (m) | 7.0 | 6.8 | 6.6 | 6.8 | 6.9 | 7.0 | 6.9 | 6.8 | 6.7 | 6.9 | 6.8 | 7.0 | 6.6 | 7.0 |
| Thermocline Depth (m) | 2.1 | 3.0 | 4.9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Secchi Disk Depth (m) | 1.2 | 1.2 | 0.7 | 1.0 | 0.7 | 1.1 | 1.0 | 1.1 | 1.0 | 1.0 | 1.2 | 1.3 | 1.3 | 1.0 |
| Temperature(oC) | 25.0 | 27.0 | 21.1 | 24.3 | 20.1 | 23.0 | 24.9 | 23.2 | 24.7 | 23.0 | 23.7 | 23.3 | 21.3 | 23.8 |
| Dissolved Oxygen (mg/L) | 15.6 | 11.0 | 12.9 | 13.2 | 7.5 | 9.0 | 12.5 | 10.9 | 14.2 | 12.4 | 15.5 | 13.3 | 12.3 | 11.5 |
| Dissolved Oxygen Saturation (%) | 189 | 138 | 145 | 157.2 | 82.7 | 104.8 | 151.6 | 129.2 | 171.8 | 144.8 | 183.0 | 156.3 | 151.1 | 137.1 |
| Specific Conductivity (μS/cm) | 550.0 | 510.0 | 420.0 | 493.3 | 520.0 | 576.7 | 493.9 | 503.4 | 560.4 | 643.6 | 626.2 | 592.9 | 474.7 | 418.0 |
| Turbidity (NTU) | 5.0 | 3.8 | 12.1 | 7.0 | 7.7 | 4.4 | 7.8 | 6.7 | 15.5 | 17.0 | 8.6 | 11.9 | 13.6 | 66.1 |
| Chlorophyll a (μg/L) | 33.7 | 35.0 | 111.0 | 59.9 | 13.0 | 27.3 | 46.4 | 45.1 | 105.9 | 64.5 | 32.8 | 30.1 | 32.4 | 7.9 |
| Total Phosphorus as P (μg/L) | 30.2 | 44.7 | 174.6 | 83.1 | 207.5 | 87.5 | 56 | 102 | 85 | 93 | 84 | 60 | 157 | - |
| SRP as P (μg/L) | <11 | <11 | <11 | <11 | 159.7 | <9 | <1 | <1 | <1 | <1 | <1 | 1.2 | - | - |
| TKN (mg/L) | <0.5 | <0.5 | 0.6 | <0.5 | <0.5 | - | - | - | - | - | - | - | - | - |
| Total Dissolved Solids (g/L) | 0.4 | 0.3 | 0.3 | 0.3 | - | - | - | - | - | - | - | - | - | - |
| Total Nitrogen as N (mg/L) | - | - | - | - | - | 8.6 | 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) | <145 | <145 | <145 | <145 | 218 | <130 | 68 | 103 | 91 | <26 | - | - | - | - |
| (Phenate)Ammonia Nitrogen (NH3) as N (un-ionized)(μg/L) | <PQL | <PQL | <PQL | <PQL | <PQL | <130 | 6 | 15 | 6 | 2 | - | - | - | - |
| Nitrate + Nitrite (NO3 + NO2) as N (mg/L) | 14.01 | 7.31 | <0.4 | 7 | 8 | - | 9.92 | 5.39 | 9.43 | 10.36 | 11.19 | 7.68 | 13.95 | 7.04 |
| TN:TP ratio | - | - | - | - | - | 136 | 227 | 136 | 182 | 134 | 148 | 192 | 95 | - |
| pH | 8.2 | 8.0 | 8.1 | 8.1 | 8.1 | 8.3 | 8.3 | 8.4 | 8.2 | 8.6 | 8.3 | 8.5 | 7.8 | 7.1 |
| Alkalinity as CaCO3 (mg/L) | 203 | 198 | 150 | 183 | 214 | 223 | 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) | <7.6 | <7.6 | <7.6 | <7.6 | <6.4 | <6.2 | 4.05 | 4.10 | 6.98 | 3.72 | 6.65 | 7.31 | - | - |
| Inorganic Suspended Solids (mg/L) | 11 | <5 | <5 | 6 | 9 | 5 | 9 | 4 | 11 | 4 | 6 | 7 | 4 | 6 |
| Volatile Suspended Solids (mg/L) | <8 | <8 | 10 | <8 | <9 | <8 | 9 | 5 | 8 | 8 | 5 | 7 | 4 | 3 |
| Total Suspended Solids (mg/L) | 15 | 7 | 14 | 12 | 14 | 9 | 17 | 9 | 19 | 13 | 11 | 14 | 7 | 9 |
| Carlson Trophic State Index (Secchi)* | 58 | 57 | 66 | 60 | 66 | 58 | 59 | 59 | 60 | 61 | 58 | 56 | 56 | 61 |
| Carlson Trophic State Index (Chl a)* | 65 | 65 | 77 | 71 | 56 | 63 | 68 | 68 | 76 | 71 | 65 | 64 | 65 | 51 |
| Carlson Trophic State Index (TP)* | 53 | 59 | 79 | 68 | 81 | 69 | 62 | 71 | 68 | 69 | 68 | 63 | 77 | - |
| *Index values generally range between 0 and 100, with increasing values indicating more eutrophic conditions. |