| Measure | Prairie Compost | Bluegrass |
| Time to runoff (min) | 78a | 19a |
| Min. infiltration rate (mm・h−1) | 63a | 52b |
| Water increase (m・m−1) | 0.11a | 0.11a |
| Runoff acceleration (m・h−2) | 3.8b | 24.6a |
| Sediment loss (kg・ha−1・h−1) | 25b | 119a |
| Sediment concentration (g・L−1) | 0.25a | 0.28a |
| Ortho-P (mg・L−1) | 0.62a | 1.08a |
| Ortho P load (kg・ha−1) | 0.057b | 0.410a |
| Total-ortho-P (mg・L−1) | 0.08a | 0.21a |
| Total-ortho-P (kg・ha−1) | 0.006b | 0.078a |