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Pickering Creek Chemical Data May 1 & 2, 2013 Water Temperature: 15oC Chemical Measurement pH Healthy Range 6.5 – 8.5 Reading 7.3 (7 is neutral; below 7 = acid, above 7 = base) Dissolved Oxygen Nitrate Phosphate Hardness (Calcium) ppm = Parts per million 0 – 4 ppm (low) 5 – 10 ppm (med) 11 – 17 ppm (high) Above 1 ppm is indicative of enrichment Above 0.05 ppm is indicative of enrichment 0 – 10 ppm Soft 11 – 50 ppm Med 51 – 200 ppm Hard 11.2 ppm 5.28 ppm 0.05 ppm 80 ppm Analysis