Farmington water and sewer rates
Who supplies water to Farmington houses, what it costs, and how the sewer charge works.
Washington Water Authority
Washington Water Authority's October 2026 rate brochure lists a $35.17 minimum bill for a 5/8 inch residential meter, a $2.40 meter fee, a $0.40 Arkansas Health Department fee and $12.27 per 1,000 gallons of usage, plus taxes.
| Use a month | Price per 1,000 gallons |
|---|---|
| Fixed charge | $37.97 a month |
| 0 to more | $12.27 |
- Source
- The water authority's report says it purchases treated surface water from the Benton-Washington Regional Public Water Authority, whose source is Beaver Lake.
Sewer
Sewer rates will not increase until 2027.
Pay or manage it
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.