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Wastewater Utility Rates
The wastewater portion of your utility bill has two charges:
| 2024 Rates | 2025 Rates | |
|---|---|---|
| Residential charge per dwelling unit | $38.28 | $40.88 |
| Winter water average usage (average is six per month) | $.75/unit = $4.50 | $.80/unit = $4.80 |
| Total monthly charge for wastewater service | $42.78 | $45.68 |
| Total bi-monthly charge | $85.56 | $91.36 |
Consumption-based wastewater billing: winter water average
A small portion of your utility bill for wastewater is based on your home's average water consumption during the preceding winter months of October - April. This is called the winter water average.
- Under this format, every customer will pay at least $75.56 per billing period (for two months of service), plus the winter water average usage at $.75 per unit.
- Each unit of water is equivalent to 748 gallons.
- Effective January 1, 2025, customers will pay at least $81.76 per billing period (for two months of service) plus the winter water average usage at $.80 per unit.
Most cities in the region base some portion of their wastewater utility bill on water usage.
Read more about consumption-based wastewater billing.
Contact us
For more information, contact Utilities at 503-618-2373 or UtilityBilling@GreshamOregon.gov.