| Urban sprawl/development | | | | | | |
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| Sedimentation | | | | | | |
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| Stormwater runoff | | | | | | |
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| Streambank erosion | | | | | | |
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| Abandoned mine drainage | | | | | | |
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| Permitted discharges- Sewage | | | | | | |
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| Permitted discharges- Industrial | | | | | | |
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| Permitted discharges- Brine | | | | | | |
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| Agricultural nutrients | | | | | | |
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| Logging - Timber Management | | | | | | |
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| Deforestation | | | | | | |
|---|
| Wind Energy Development | | | | | | |
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| Solar Energy Development | | | | | | |
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| Nuclear Energy Development | | | | | | |
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| Marcellus Shale Development | | | | | | |
|---|
| Pipeline Installation | | | | | | |
|---|
| Agricultural - non-point source | | | | | | |
|---|
| Urban - non-point source | | | | | | |
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| Loss of Habitat | | | | | | |
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