Alternative channels
Mail, text, and in-person payment instructions
Pay by text
A dedicated this detail was not publicly posted. As a published Industry Waterworks text-to-pay service. The current water pages describe online payment, mail, office payment, and AutoPay by voided-check form or online credit-card enrollment, but provide no SMS keyword, short code, text opt-in, or text-to-pay authorization procedure. Do not use an unsolicited text link; navigate to the official EPAYUB address or call (626) 336-1307.
Mail-in address
City of Industry Waterworks System / La Puente Valley County Water District, P.O. Box 3165, La Puente, CA 91744. The payment-options page says mailed payments are checks and money orders; customers should use the current remittance instructions and account number on the bill. Do not infer that the City's 15625 Mayor Dave Way civic address is the lockbox address.
Counters, drop boxes, and office hours
In-person water service and payment support is provided at Industry Public Utilities Water System, 112 N. First Street, La Puente, CA 91744. Posted hours are Monday–Thursday 7:00 a.m.–4:30 p.m. and Friday 7:00 a.m.–3:30 p.m., closed on alternate Fridays. The payment page accepts cash, checks, and Visa, Mastercard, or Discover debit/credit cards at the office. Mailed payments are checks or money orders; the reviewed water pages do not identify a separate drop box or satellite cashier. The online application says same-day service documentation must be submitted by 2:30 p.m. on eligible business days.