Pennsylvania Water Science Center
Estimates of Mean-Monthly & Annual Ground-Water RechargePerkiomen Creek at Graterford: 01473000 |
Graphs | Data Tables | Detailed Station Information | Land Use Map | Geology Map | Back to county map | Back to state map | Main Page |
From Recession Curve Displacement (RORA) Method | 10.4 |
From Hydrograph Separation of Baseflow (PART) Method | 8.4 |
Drainage Area (square miles) | 279 |
Period of Record Used for Estimating Recharge (calendar year) | 1915-1956 |
Land Cover (show map) (Forest/Agriculture/Developed/Other) as % of Area | 49.2/42.1/7.1/1.7 |
Rock Types (show map) (Sandstone and Shale/Carbonate/Crystalline/Unconsolidated Sediments) as % of Area | 67/1.3/31.7/0 |
Graphs |
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