Given what we know about the processes mentioned, we can confirm that a possible source for the extra salt in the stream is Nearby Fracking.
Fracking is a highly controversial process in which highly pressurized water is used for drilling. It is often used to mine natural gas and oil. The controversy lies within its high environmental cost.
The environmental cost factor lies in the use of <em><u>massive amounts of </u></em><em><u>water</u></em> and its further <em><u>contamination </u></em><em><u>of nearby </u></em><em><u>water sources</u></em> due to the chemicals released during this process.
This, coupled with the fact that the water source in question is stated to <em><u>not be connected to any form of </u></em><em><u>wetland</u></em> leads us to the conclusion that the most likely source of extra salt in the stream is nearby fracking.
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