Alternative channels
Mail, text, and in-person payment instructions
Pay by text
A dedicated this detail was not publicly posted. Riverhead promotes paperless billing by email but no text-to-pay keyword or enrollment process was exposed.
Mail-in address
Riverhead Water District, 1035 Pulaski Street, Riverhead, NY 11901; the District’s official service information identifies this location, and customers should confirm the bill’s remittance line before mailing payment.
Counters, drop boxes, and office hours
Riverhead Water District, 1035 Pulaski Street, Riverhead, NY 11901. The reviewed official materials identify the District location but do not expose current staffed-counter hours, drop-box locations, or a complete in-person payment instrument list.