Is there lead in Madison's tap water?
NO LEADfound in Ctwc - Shoreline Region-Guilford's water at the latest test, in 2026
Too little lead to measure
Too little lead to measure
3 public water companies list Madison as a place they supply. The biggest is Ctwc - Shoreline Region-Guilford, with about 33,975 people. The highest latest result among Madison's water companies is 4.7 parts per billion, at Ctwc - Green Springs. None of the 3 with results was above 15 at its latest test. 2 found too little lead to measure.