Notice and timing
How delinquency is handled
Grace period after the due date
No current universal water-bill grace-period day count was published on the reviewed Water Department page.
Late-fee calculation
No current 2026 water-bill late-fee percentage or fixed amount was exposed in the reviewed public text. Customers should use the due date and amount printed on the current bill and call 516-794-8300 for account-specific delinquency rules.
Disconnection timeline
The reviewed current Water Department page does not publish a complete day-by-day path from missed due date to lockoff or termination.