FPUD newsletter article questioned

Fallbrook Public Utility District’s recent newsletter, ‘Pipeline,’ is confusing on the topic “Recycling sludge into high grade fertilizer.”

FPUD’s statement “Then by heating the sludge to very high temperatures – between 226 and 276 degrees – all harmful pathogens are killed. The end product is sterile granules that can be safely returned to the soil” indicates the dried sludge can only be used as fill dirt.

Questions: “high grade fertilizer” or “sterile granules”? (It cannot be both.) Is this investment payback of at least seven years a bad investment?

Most bags of “Super Soil” contain the wr...