| Report Year: 2009 |
| Lake Miami, Monroe County |
| Summary Data Table |
| Parameter | 6/17/2009 | 7/21/2009 | 2009 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Lake Depth (m) | 4.4 | 3.9 | 4.2 | - | - | 5.7 | 4.6 | 5.8 | 6.0 | 6.1 | 6.1 |
| Thermocline Depth (m) | 1.0 | Nil | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Secchi Disk Depth (m) | 0.7 | 0.2 | 0.4 | - | - | 0.6 | 0.5 | 0.5 | 0.8 | 0.4 | 0.5 |
| Temperature(oC) | 26.4 | 22.4 | 24.4 | - | - | 27.1 | 23.8 | 24.2 | 26.4 | 25.3 | 23.9 |
| Dissolved Oxygen (mg/L) | 10.2 | 5.0 | 7.6 | - | - | 9.1 | 9.7 | 6.7 | 6.8 | 14.0 | 6.7 |
| Dissolved Oxygen Saturation (%) | 127 | 58 | 92.5 | - | - | 114.2 | 114.8 | 78.7 | 84.3 | 177.0 | 79.5 |
| Specific Conductivity (μS/cm) | 310.0 | 280.0 | 295.0 | - | - | 336.0 | 267.8 | 259.1 | 281.7 | 207.7 | 200.7 |
| Turbidity (NTU) | 21.5 | 271.2 | 146.3 | - | - | 27.2 | 65.5 | 28.5 | 51.4 | 74.7 | 30.2 |
| Chlorophyll a (μg/L) | 15.0 | 2.0 | 8.5 | - | - | 133.3 | 79.8 | 30.1 | 37.2 | 70.5 | 18.3 |
| Total Phosphorus as P (μg/L) | 91 | 132 | 111 | - | - | 100 | 165 | 110 | 106 | 162 | 208 |
| SRP as P (μg/L) | - | 10 | 10 | - | - | 1 | 40 | 11 | 4 | - | - |
| Total Nitrogen as N (mg/L) | 2.71 | 1.76 | 2.24 | - | - | 1.05 | 2.30 | 1.32 | 1.20 | 1.91 | 2.28 |
| (Phenate)Ammonia Nitrogen (NH3 + NH4+) as N (μg/L) | 16 | 21 | 16 | - | - | 87 | 219 | - | - | - | - |
| (Phenate)Ammonia Nitrogen (NH3) as N (un-ionized)(μg/L) | 1.1 | 0.6 | 0.9 | - | - | 6.0 | 12.6 | - | - | - | - |
| Nitrate + Nitrite (NO3 + NO2) as N (mg/L) | 1.75 | 1.15 | 1.45 | - | - | 0.13 | 0.21 | 0.13 | 0.23 | 0.62 | 0.19 |
| TN:TP ratio | 30 | 13 | 22 | - | - | 10 | 15 | 13 | 13 | 13 | 11 |
| pH | 8.3 | 7.8 | 8.1 | - | - | 8.3 | 8.4 | 8.1 | 7.9 | 8.3 | 7.5 |
| Alkalinity as CaCO3 (mg/L) | 97 | 93 | 95 | - | - | 109 | 92 | 69 | 89 | 77 | 155 |
| Silica as Si (mg/L) | - | - | - | - | - | 3.77 | 6.35 | 4.20 | 2.92 | - | - |
| Dissolved Organic Carbon (mg/L) | 5.90 | 6.46 | 6.18 | - | - | 8.68 | 8.65 | 10.52 | 10.73 | - | - |
| Inorganic Suspended Solids (mg/L) | 16 | 48 | 32 | - | - | 5 | 21 | 7 | 11 | 23 | 13 |
| Volatile Suspended Solids (mg/L) | 6 | 18 | 12 | - | - | 10 | 11 | 11 | 9 | 7 | 5 |
| Total Suspended Solids (mg/L) | 22 | 66 | 44 | - | - | 15 | 32 | 17 | 20 | 22 | 18 |
| Carlson Trophic State Index (Secchi)* | 66 | 83 | 72 | - | - | 67 | 71 | 70 | 64 | 74 | 69 |
| Carlson Trophic State Index (Chl a)* | 57 | 37 | 52 | - | - | 79 | 74 | 64 | 66 | 72 | 59 |
| Carlson Trophic State Index (TP)* | 69 | 75 | 72 | - | - | 70 | 78 | 72 | 71 | 77 | 81 |
| *Index values generally range between 0 and 100, with increasing values indicating more eutrophic conditions. |