Table 1. Water chemistry.
| Sampling Date | ||||||
| Analyte | Method | February 2011 | July 2011 | December 2011 | March 2012 | August 2012 |
| Temperature (°C) | SM 2550 B | 20.6 | 29.1 | 20.2 | 23.8 | 28.5 |
| pH | SM 4500 H-B | 7.6 | 7.58 | 7.65 | 7.52 | 7.69 |
| Total Organic Carbon (mg L−1) | SM 5310-C | 1.8 | 1.9 | 2.2 | 2 | 2.3 |
| Total Phosphorous as P (mg L−1) | EPA 365.4 | 0.35 | 0.24 | 0.41 | 0.34 | 0.31 |
| Nitrate as N (mg L−1) | EPA 300.0 | 0.08 | 0.11 | 0.09 | 0.08 | 0.43 |
| Nitrite as N (mg L−1)1 | EPA 300.0 | BD | BD | BD | BD | BD |
| Free Ammonia as N (mg L−1) | SM 4500 NH3-F | 0.19 | 0.42 | 0.21 | 0.16 | 0.14 |
| Total chlorine (mg L−1) | SM 4500 CL-G | 2.9 | 1.6 | 2.5 | 3 | 3 |
| Monochloramine (mg L−1) | SM 4500 CL-G | 3.2 | 1.6 | 2.2 | 2.6 | 2.7 |
| Alkalinity as CaCO3 (mg L−1) | SM 2320 B | 170 | 190 | 170 | 180 | 150 |
| Calcium Hardness (mg L−1) | SM 2340 B | 210 | 202 | 202 | 205 | 192 |
| Specific Conductance (umhos cm−1) | SM 2510 B | 549 | 521 | 429 | 447 | 477 |
| Aluminum (mg L−1)2 | EPA 200.7-DW | BD | BD | BD | BD | BD |
| Calcium (mg L−1) | EPA 200.7-DW | 84.3 | 80.7 | 81 | 81.9 | 65.1 |
| Iron (mg L−1) | EPA 200.7-DW | 0.055 | 0.079 | 0.381 | 0.046 | 0.014 |
| Magnesium (mg L−1) | EPA 200.7-DW | 7.35 | 6.51 | 6.39 | 6.53 | 7.14 |
BD = below detection limit.
1
detection limit 0.02 mg L-1.
2
detection limit 0.015 mg L-1.