Portland water and sewer rates
Who supplies water to Portland houses, what it costs, and how the sewer charge works.
Portland Water District
Portland Water District member monthly rates effective January 1, 2026; the standard residential meter is 5/8 inch
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $12.86 a month |
| 0 to 1 units | $0.00 |
| 1 to 30 units | $3.21 |
| 30 to 100 units | $3.13 |
| 100 to 500 units | $2.76 |
| 500 to more | $1.59 |
- Source
- Sebago Lake, Maine's deepest and second-largest lake; the water is not filtered.
- PFAS
- No PFAS compounds or lithium were detected in 2024 tests for 29 PFAS compounds.
- Lead
- PWD's lead inventory found no lead mains or service lines in its system.
- Hardness
- 7.2 mg/L as CaCO3 (Maine recommended limit 150).
Sewer
Portland's wastewater charge, billed by the Portland Water District, effective September 1, 2026: a $13.50 minimum for 1 HCF and $13.50 for each additional HCF of water.
Ways to pay less
- Low income: PWD Lifeline water rate. Portland Water District's Low Income minimum charge is $3.02, compared with $12.86 for the standard 5/8-inch residential meter. Lifeline rates are based on the Home Energy Assistance Program (HEAP) guidelines. How: Contact The Opportunity Alliance at (207) 553-5900 or 877-429-6884.
Dates
| When | What |
|---|---|
| Nov 9, 2026 (in 18 days) | Public hearing on Portland Water District's proposed water rate adjustment, effective January 1, 2027. |
Pay or manage it
Sources
- Portland Water District rates (water and municipal wastewater)
- Portland Water District: who we are (service area)
- Portland Water District 2027 water rate adjustment
- Portland Water District Lifeline rates
- Portland Water District 2026 Water Quality Report
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.