| Report Year: 2009 |
| Hooper Area Pond, Warren County |
| Summary Data Table |
| Parameter | 6/18/2009 | 7/20/2009 | 2009 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Lake Depth (m) | 5.2 | 5.1 | 5.2 | - | - | 5.2 | 5.0 | 5.0 | 5.0 | 5.6 | 5.1 |
| Thermocline Depth (m) | 2.2 | 2.8 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Secchi Disk Depth (m) | 0.8 | 0.9 | 0.9 | - | - | 0.8 | 1.2 | 2.2 | 1.4 | 1.1 | 1.1 |
| Temperature(oC) | 24.2 | 24.9 | 24.6 | - | - | 26.6 | 23.7 | 24.4 | 26.5 | 24.4 | 24.7 |
| Dissolved Oxygen (mg/L) | 9.3 | 5.4 | 7.3 | - | - | 10.4 | 9.7 | 9.1 | 9.2 | 12.3 | 8.1 |
| Dissolved Oxygen Saturation (%) | 111 | 65 | 87.9 | - | - | 129.9 | 115.9 | 109.7 | 117.9 | 150.5 | 97.7 |
| Specific Conductivity (μS/cm) | 230.0 | 220.0 | 225.0 | - | - | 269.6 | 256.4 | 247.3 | 285.9 | 197.2 | 244.8 |
| Turbidity (NTU) | 7.6 | 8.9 | 8.2 | - | - | 17.4 | 15.4 | 9.0 | 19.8 | 29.9 | 8.8 |
| Chlorophyll a (μg/L) | 31.0 | 9.0 | 20.0 | - | - | 129.6 | 39.4 | 22.2 | 32.8 | 22.3 | 21.3 |
| Total Phosphorus as P (μg/L) | 87 | 70 | 78 | - | - | 88 | 75 | 58 | 72 | 89 | 155 |
| SRP as P (μg/L) | - | - | - | - | - | 1 | 4 | 2 | 1 | - | - |
| Total Nitrogen as N (mg/L) | 1.51 | 1.17 | 1.34 | - | - | 1.63 | 1.64 | 1.04 | 0.89 | 2.35 | 1.29 |
| (Phenate)Ammonia Nitrogen (NH3 + NH4+) as N (μg/L) | 237 | 56 | 147 | - | - | 44 | 16 | - | - | - | - |
| (Phenate)Ammonia Nitrogen (NH3) as N (un-ionized)(μg/L) | 59.9 | 10.3 | 35.1 | - | - | 5.5 | 1.0 | - | - | - | - |
| Nitrate + Nitrite (NO3 + NO2) as N (mg/L) | 0.12 | 0.12 | 0.12 | - | - | 0.42 | 0.12 | 0.23 | 0.13 | 1.25 | 0.19 |
| TN:TP ratio | 17 | 17 | 17 | - | - | 22 | 20 | 21 | 17 | 47 | 9 |
| pH | 8.8 | 8.6 | 8.7 | - | - | 8.4 | 8.5 | 8.4 | 8.5 | 7.8 | 7.5 |
| Alkalinity as CaCO3 (mg/L) | 102 | 99 | 101 | - | - | 112 | 101 | 67 | 106 | 87 | 141 |
| Silica as Si (mg/L) | - | - | - | - | - | 3.63 | 3.15 | 1.70 | 2.46 | - | - |
| Dissolved Organic Carbon (mg/L) | 6.46 | 6.07 | 6.27 | - | - | 8.35 | 11.04 | 11.30 | 11.07 | - | - |
| Inorganic Suspended Solids (mg/L) | 5 | 11 | 8 | - | - | 3 | 7 | 4 | 4 | 6 | 5 |
| Volatile Suspended Solids (mg/L) | 7 | 1 | 3 | - | - | 9 | 7 | 6 | 7 | 3 | 4 |
| Total Suspended Solids (mg/L) | 11 | 11 | 11 | - | - | 11 | 13 | 9 | 10 | 8 | 9 |
| Carlson Trophic State Index (Secchi)* | 63 | 62 | 62 | - | - | 63 | 58 | 49 | 55 | 59 | 59 |
| Carlson Trophic State Index (Chl a)* | 64 | 52 | 60 | - | - | 78 | 67 | 61 | 65 | 61 | 61 |
| Carlson Trophic State Index (TP)* | 69 | 65 | 67 | - | - | 69 | 66 | 63 | 66 | 69 | 77 |
| *Index values generally range between 0 and 100, with increasing values indicating more eutrophic conditions. |