HPC interferes with membrane filtration methodology bacteria test results for Coliform and E-Coli.Is HPC the same as CFU? Coliform came up as absent or 0, The "Colony forming units" as 900. Neither the lab or the health dept suggest that any action need be taken.
The lab would make money on a retest, and the health dept is usually over cautious. Seems like their advice is solid [?]
I can do a chlorine flush, but with a mile of pipe and several pressure tanks and a 3000g tank with several 3 way valves to swap systems, Its a huge job to do right.
Possibly a retest from the wellhead rather than at the kitchen sink?
This is awkward, but...
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