Quote:
Originally Posted by The Real BigGuy
Not necessarily. The state monitors E. coli at swimming beaches where 88 E. coli/100 ml is the max in any single sample. For recreational waters not designated a swimming area the magic number in a single sample is 406/100 ml. A result less than 406 would not attract the states attention, assuming that they were even sampling in that area, and would still point to potential infiltration from a faulty system(s) that would/could add nutrients, including phosphates, to surface water.
Anyway, my original point is that all potential sources need to be addressed. The balance of your last post seems to say this.
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A functioning system... running perfectly as designed... will still nutrient load.
That is why the old saying ''the grass is always greener over the septic system.'' The part of the system they are talking about is the leach field. It provides nutrients and water to the surrounding soil, something that turfgrass loves.
Heavy and frequent rain would upset the designed ''perc''.
Saturated soils would allow the nutrient-laden water to move sideways... though not as fast as surface run-off.
But what I was noting, when the bloom dies off and sinks to the bottom of the lake... the nutrients are sent right to the lake bed as decomposition takes place. They never get removed from the system, just concentrate over time.
This is like gathering all my leaves together and composting them. Instead of the nutrients being spread all over the property, I have concentrated them in my compost and spread them in my raised beds.