Results/Conclusion Location Phosphorus (total) ppm Nitrate ppm Nitrite (ppm) pH Iris Pond0.36<0.02 7.363 Waterfall Pond 0.32<0.02 8.34 Prairie Pond0.47<0.02 6.525 Green Heron Pond 0.28<0.02 7.807 Lake Minnewashta in 2011 was at.021 ppm (21 ppb) Critical Eutrophication Value is 0.06 ppm (60 ppb)