Watershed Designations in Lehigh County
| Catasauqua Creek | CWF, MF |
| Coplay Creek | CWF, MF |
| Fells Creek | CWF, MF |
| Hosensack Creek | CWF, MF |
| Indian Creek | CWF, MF |
| Jordan Creek, mainstem | TSF, MF |
|
Hassen Creek |
HQ-CWF, MF |
|
Lyon Creek |
HQ-CWF, MF |
|
Mill Creek (Heidelberg) |
CWF, MF |
|
Switzer Creek |
HQ-CWF, MF |
|
Unnamed Tributaries |
HQ-CWF, MF |
| Kistler Creek | CWF, MF |
| Lehigh River, north of Allentown Dam | TSF, MF |
|
Unnamed Tributaries N of Dam |
CWF, MF |
| Lehigh River, south of Allentown Dam | WWF, MF |
| Little Lehigh Creek | HQ-CWF, MF |
|
Cedar Creek |
HQ-CWF, MF |
|
Iron Run |
HQ-CWF, MF |
|
Leibert Creek |
HQ-CWF, MF |
|
Little Cedar Creek |
HQ-CWF, MF |
|
Schaefer Run |
HQ-CWF, MF |
|
Spring Creek (Lower Macungie) |
HQ-CWF, MF |
|
Swabia Creek |
HQ-CWF, MF |
|
Toad Creek |
HQ-CWF, MF |
|
Trout Creek (Allentown) |
HQ-CWF, MF |
| Mill Creek (Weisenberg) | TSF, MF |
| Molasses Watershed | HQ-TSF |
| Monocacy Creek | HQ-CWF, MF |
| Ontelaunee Creek | CWF, MF |
| Ontelaunee Creek to confluence School Creek | EV (Existing Use) |
| Perkiomen Creek | HQ-CWF (Existing Use) |
| Rockdale Creek | CWF,MF |
| Saucon Creek | CWF,MF |
| School Creek to confluence Ontelaunee Creek | EV (Existing Use) |
| Spring Creek (Whitehall) | CWF, MF |
| Trout Creek (Washington) | CWF,MF |
| Tumble Brook | CWF,MF |
| Unami Creek | HQ-TSF, MF |
|
Licking Creek |
HQ-TSF,MF |
|
Schmoutz Creek |
HQ-TSF, MF |
|
***Watershed Designation Symbols***
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| Lehigh County Conservation District Doc. NPDES 06. (Rev. 10/22/13cls) | |
