Tumbling Run
Basin: Upper Schuylkill Basin
| Location | |
|---|---|
| Station number | 37 |
| description | Above Reservior |
| Latitude (decimal) | 40.6822 |
| Longitude (decimal) | -76.1599 |
| Land Use | |
| Watershed area (km2) | 12 |
| Percent developed | 0.1 |
| Percent in agriculture | 6.6 |
| Percent forested | 91 |
| Percent wetland or water | 1.2 |
| Percent in quarries or mining | 0.0 |
| Chemistry | |
| Nitrate (mg/L) | 0.3 |
| Total Dissolved Phosphorus (mg/L) | <0.02 |
| pH | 7.1 |
| Conductivity (μmhos) | 57 |
| Alkalinity (as mg/L CaCO3) | 7 |
| Macroinvertebrate Data | |
| years sampled | 2002 |
| MAIS score | 12.5 |
| water quality based on MAIS score | fair |
| 1st most abundant macroinvertebrate | Elmidae (riffle beetles) |
| 2nd most abundant macroinvertebrate | Simuliidae (black flies) |
| 3rd most abundant macroinvertebrate | Chironomidae (midges) |
| 4th most abundant macroinvertebrate | Blepharoceridae (netwinged midges) |
| 5th most abundant macroinvertebrate | Oligochaeta (aquatic earthworms) |
| 6th most abundant macroinvertebrate | Heptageniidae (flatheaded mayflies) |
| 7th most abundant macroinvertebrate | Planariidae (flatworms) |
| 8th most abundant macroinvertebrate | Ancylidae (limpets) (limpets) |
| 9th most abundant macroinvertebrate | Pteronarcyidae (giant stoneflies) |
| 10th most abundant macroinvertebrate | Rhyacophilidae (freeliving caddisflies) |
