Perkiomen Creek at Graterford
Critical Stages
8' - Action
11' - Flood
13' - Moderate
16' - Major
Latest Observation
Updated: 8:15 AM EST 12/6/25
Status: No Flooding
Stage: 1.26 ft
Flow: 0.127 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1 PM 12/6 | 1.4 | 0.171 |
| 7 PM 12/6 | 1.4 | 0.171 |
| 1 AM 12/7 | 1.4 | 0.171 |
| 7 AM 12/7 | 1.4 | 0.171 |
| 1 PM 12/7 | 1.3 | 0.139 |
| 7 PM 12/7 | 1.3 | 0.139 |
| 1 AM 12/8 | 1.3 | 0.139 |
| 7 AM 12/8 | 1.3 | 0.139 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 9:15 AM 12/6 | 1.26 | 0.127 |
| 9:00 AM 12/6 | 1.26 | 0.127 |
| 8:45 AM 12/6 | 1.26 | 0.127 |
| 8:30 AM 12/6 | 1.26 | 0.127 |
| 8:15 AM 12/6 | 1.26 | 0.127 |
| 8:00 AM 12/6 | 1.26 | 0.127 |
| 7:45 AM 12/6 | 1.26 | 0.127 |
| 7:30 AM 12/6 | 1.27 | 0.13 |
| 7:15 AM 12/6 | 1.27 | 0.13 |
| 7:00 AM 12/6 | 1.27 | 0.13 |
| 6:45 AM 12/6 | 1.27 | 0.13 |
| 6:30 AM 12/6 | 1.27 | 0.13 |
| 6:15 AM 12/6 | 1.27 | 0.13 |
| 6:00 AM 12/6 | 1.27 | 0.13 |
| 5:45 AM 12/6 | 1.27 | 0.13 |
| 5:30 AM 12/6 | 1.27 | 0.13 |
| 5:15 AM 12/6 | 1.27 | 0.13 |
| 5:00 AM 12/6 | 1.27 | 0.13 |
| 4:45 AM 12/6 | 1.27 | 0.13 |
| 4:30 AM 12/6 | 1.28 | 0.133 |
| 4:15 AM 12/6 | 1.28 | 0.133 |
| 4:00 AM 12/6 | 1.28 | 0.133 |
| 3:45 AM 12/6 | 1.28 | 0.133 |
| 3:30 AM 12/6 | 1.28 | 0.133 |
| 3:15 AM 12/6 | 1.28 | 0.133 |
| 3:00 AM 12/6 | 1.28 | 0.133 |
| 2:45 AM 12/6 | 1.28 | 0.133 |
| 2:30 AM 12/6 | 1.28 | 0.133 |
| 2:15 AM 12/6 | 1.28 | 0.133 |
| 2:00 AM 12/6 | 1.28 | 0.133 |
19' -
The Schwenksville Sewer and Water Plant floods as does Route 73/Haldeman Road.
18' -
Smaller tributaries are affected by high water from the Perkiomen. Flooding is possible near the Route 113 Bridge in Perkiomen Township.
16' -
Collegeville businesses on Route 29, between East Ninth Avenue and East Main Street, begin to take on water.
15' -
East Main Street in Collegeville floods.
14' -
Storm sewers back up in Collegeville and flood Route 29.
13' -
First Avenue in Collegeville becomes impassable.
12' -
Portions of Central Perkiomen Park in Collegeville are flooded. Flood waters expand onto and to the west of First Avenue in Collegeville.
11' -
Graterford Road and Penitentiary Bridge are closed due to flooding.
8' -
Park Avenue in Schwenksville is flooded. The Perkiomen Trail is flooded in Perkiomen Township at Plank Road and Route 113.
| Date | Stage (ft) |
|---|---|
| Sep 2, 2021 | 24.23 |
| Aug 5, 2020 | 19.32 |
| Jul 9, 1935 | 18.26 |
| Aug 28, 2011 | 18.2 |
| Jun 22, 1972 | 17.08 |
| Aug 23, 1933 | 16.65 |
| Sep 16, 1999 | 16.59 |
| Jan 19, 1996 | 16.45 |
| Jun 2, 1946 | 16.2 |
| May 1, 2014 | 16.2 |
| Jul 12, 2019 | 16.03 |
| Oct 19, 1996 | 15.67 |
| Jul 7, 1984 | 15.06 |
| Oct 8, 2005 | 14.92 |
| Oct 1, 2010 | 14.86 |
| Jan 24, 1979 | 14.8 |
| Sep 18, 2004 | 14.8 |
| Dec 5, 1993 | 14.68 |
| Apr 3, 2005 | 14.18 |
| Dec 18, 2023 | 13.97 |
Data provided by the National Weather Service.
