Rates
Bi-Monthly Water and Sewer Rates
The rates, fees, charges and penalties for water and sewer connections, service and related service items, are established primarily on a cost of service basis. Cost of service rates allocate costs to single family, commercial and multi-family customer classes based on the demand they place on the water and sewer systems.
Rates are in effect as of January 1, 2025
| RESIDENTIAL WATER RATES | ||||||||||||||||||||||||||
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| NON-RESIDENTIAL WATER RATES | |||||
| Monthly | Bi-Monthly Volume Blocks per 100 cubic feet (ccf) | ||||
| Meter Size | Meter Charge | Commercial/Institutional | Multi-Family | Irrigation | |
| 5/8" x 3/4" | $39.51 | $8.39 | $8.13 | $28.35 | |
| 1" | 86.86 | ||||
| 1 1/2" | 187.83 | ||||
| 2" | 299.09 | ||||
| 3" | 595.95 | ||||
| 4" | 929.48 | ||||
| 6" | 1,856.50 | ||||
| SEWER RATES | |||
| Monthly Rates | Volume Rate per 100 Cu Ft | ||
| Single Family Residential |
Single Family Residential Discount | Multi-Family, Commercial, Institutional | |
| King County DNR | $58.28 | $58.28 | $19.02 |
| District | 63.87 | 29.05 | |
| Total Fee | 122.15 | 87.33 | |
This page does not reflect a complete listing of the District's established rates, charges, policies and procedures for water and sewer services and connections. Certain properties, depending on location, may be subject to additional costs and connection requirements.