Alternative channels
Mail, text, and in-person payment instructions
Pay by text
Register the utility account in InvoiceCloud and use its Pay by Text feature; the official FAQ confirms the feature but does not state a keyword command.
Mail-in address
City of Chaska, 1 City Hall Plaza, Chaska, MN 55318.
Counters, drop boxes, and office hours
Utility Billing, City Hall, 1 City Hall Plaza, Chaska, MN 55318; Monday-Friday 8:00 a.m.-4:30 p.m. The reviewed source did not enumerate all counter payment instruments.