http://www.idph.state.il.us/envhealth/factsheets/ironFS.htm Departamento de salud de Illinois: hierro en el agua potable http://www.idph.state.il.us/envhealth/factsheets/ironFS.htm water http://www.idph.state.il.us/envhealth/factsheets/ironFS.htm http://www.idph.state.il.us/envhealth/factsheets/ironFS.htm water has high levels of iron Iron in Drinking Water http://www.idph.state.il.us/envhealth/factsheets/ http://www.idph.state.il.us/envhealth/factsheets/ironFS.htm http://www.idph.state.il.us/envhealth/factsheets/ironFS.htm Illinois Department of Public Health Illinois Department of Public Health: Iron in Drinking Water Illinois Department of Public Health Illinois Department of Public Health