AWK ▲ +0.5% - American Water Works Company, Inc. $AWK - Illinois American Water Delivers Additional PFAS Settlement Credit to Customers American Water Works (AWK) rose 0.5% following news that its Illinois American Water subsidiary delivered another settlement credit to customers related to PFAS contamination. The company has been resolving PFAS-related claims through settlements that include customer credits, which may ease regulatory and legal risks while potentially supporting investor confidence in the company's management of environmental liabilities. 27-AUG-2026 11:38 AM ET