Philadelphia County
Historic Sites
| STREAM | GROUP | MONITOR | SITE | COUNT | START | END | MIN | MEAN | MAX | MIN | MEAN | MAX |
| NAME | NUMBER | DATE | DATE | pH | pH | pH | ALK | ALK | ALK | |||
| Pennypack Cr | Thompson | 127 | 11 | 5/11/88 | 5/6/89 | 6.0 | 6.8 | 7.0 | 30.0 | 56.82 | 85.0 | |
| Tacony Creek | Schwartz | 304 | 8 | 2/24/91 | 7/11/91 | 7.0 | 7.4 | 8.0 | 40.0 | 52.00 | 62.0 |
Last Updated on 9/16/04
By ALLARM