Testing Water from Steams, Creeks, Ponds, Lakes, other natural bodies of water - WNC Independent Labs

These are open and exposed to insects, animals, dirt, weather, runoff, etc so their water is constantly changing and are almost always going to test positive for bacteria.  Streams and creeks are even more variable since they are constantly flowing.  There is also no way to treat them. Therefore, we do not usually recommend testing them.

If you do decided to have a natural body of water tested, the following apply:

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16 January 2022 Water Testing FAQ
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