Hilton Head Island water and sewer rates
Who supplies water to Hilton Head Island houses, what it costs, and how the sewer charge works.
Hilton Head Public Service District (PSD)
Hilton Head PSD residential water, rates as of July 2026: $19.25 base charge per unit and four usage tiers per 1,000 gallons.
| Use a month | Price per 1,000 gallons |
|---|---|
| Fixed charge | $19.25 a month |
| 0 to 10 thousand gallons | $1.88 |
| 10 to 20 thousand gallons | $2.52 |
| 20 to 30 thousand gallons | $3.33 |
| 30 to more | $4.44 |
- Source
- Hilton Head PSD obtains approximately 60 percent of its water from three groundwater wells in the brackish Middle Floridan Aquifer.
- Rest of supply
- The remainder is bought as treated water from Beaufort-Jasper Water & Sewer Authority and drawn from groundwater wells in the freshwater Upper Floridan Aquifer.
Sewer
Hilton Head PSD residential sewer: $21.25 base charge plus $3.16 per 1,000 gallons of water used per month, with usage charges capped at 10,000 gallons of water used per month per unit.
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.