Tap water reads 2.8 ppm

Hello all, great site. I have a issue. I bult a nice little 2 1000w ebb and flow grow and when i went to do my water ph and nutruent. Beofre adding any nutrient at all it read on my BLUEWAND 2.8 or 28 PPM. Thats what I consider high WITH my nutrient in water all ready. Has anyone else had this problem? I kept it growing but I bring water in at a rate of 25 Gal. a week. It is UNWANTED heat BIG TIME!! Any help would be huge on how i can fix this. Its not a cistern its a cottage commhnity on a well I b eleive. thanks
 
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