Hanahan water and sewer rates
Who supplies water to Hanahan houses, what it costs, and how the sewer charge works.
Charleston Water System
Charleston Water System, minimum bill effective 1/1/2026 for a 3/4 inch connection: $27.80 outside city. Applies to Charleston Water System customers.
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $17.82 a month |
| 0 to more | $4.99 |
Sewer
Berkeley County Water & Sanitation residential sewer: $44.00 per month, a flat rate that does not vary with water use.
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Sources
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.