
Below 15, the level that requires action
2 public water companies list Norway as a place they supply. The biggest is the Poweshiek Water Association (Cr), with about 2,000 people. The highest latest result among Norway's water companies is 0.6 parts per billion, at the Poweshiek Water Association (Cr). None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure.