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disband
Join Date: Feb 2002
Location: Tuo*Co on CA108
Posts: 14,293
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I would guess the earth dams are compacted native material that "cap" the end of the line to act as an impervious dam where the rock & the leach lines end. Confines the wastewater to the leach lines promoting it to only drain into the soil below the system.
Agree that the isolation line is the minimum distance between the two facilities.
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78SC PRC Spec911 (sold 12/15) https://www.youtube.com/watch?v=f7I6HCCKrVQ
Now gone: 03 996TT/75 slicklid 3.oL carb'd hotrod
15 Rubicon JK/07.5 LMM Duramax 4x/86 Ski Nautique Correct Craft
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