Payment research · dataset 2026.08
Payment options for City of Mercer Island Water Utility
This page identifies provider-specific public payment information without accepting payments or asking for account credentials.
Provider-published destination
Official online route identified
Confirm the utility name, service address, balance, processing date, funding method, and final fee on the external page before submitting. US Water Bill Pay cannot see or post the transaction.
Continue to provider-published portal ↗Provider-specific findings
Payment research for this provider
The compiled notes distinguish confirmed channels from details the public material did not expose. Fields containing only an unavailable-information marker are grouped in the research record below.
- Phone payment number
- Pay by Phone is available for utility bills; exact number was not exposed in the reviewed source.
- In-person payment
- City Finance/Utility Billing office; exact current counter hours were not exposed.
- Digital payment methods
- Online payment and Pay by Phone are available; current instruments were not enumerated.
Directory comparison
Payment-information visibility
| Measure | This provider | Washington | National index |
|---|---|---|---|
| Usable payment URL identified | Yes | 73% | 73% |
| Fee or no-fee amount disclosed | No | 12% | 15% |
| Payment fields documented | 4 of 8 | — | — |
This comparison measures directory documentation, not payment quality, cost, or provider performance.
Research record
Partial public detail found
4 of 8 fields in this section contain provider-specific public detail in dataset August 1, 2026.
Documented
50%
Details not confirmed in the reviewed public material
- Payment platform
- Pay-by-text
- Mail-in payment address
- Online convenience fees
“Not confirmed” means the directory did not identify a dependable public statement. It does not mean the provider has no policy or option.
Primary verification routes
- City of Mercer Island Water Utility public website ↗
Provider-controlled destination used to confirm current customer instructions.
- Provider-published payment destination ↗
External account or guest-payment route; verify the provider name before entering information.
- EPA SDWIS / ECHO lookup (WA5353640) ↗
Search the federal drinking-water database using public water system ID WA5353640.