Welcome to the Official Website of Seabrook Island Utility Commission

Our Mission

At Seabrook Island Utility Commission, we are committed to providing safe, high quality water services to our community, while maintaining a standard of excellence in customer service and environmental conservation.

Bill Payment Options

Looking for the most convenient way to pay your bill? We offer a wide variety of payment options to our customers. Simply choose the option that best suits your needs.

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Conservation Tips

There are a number of easy ways to save water, and they all start with you. When you save water, you save money on your utility bills. Here are just a few ways.

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Recent News View All »


January 11, 2024

December 31, 2023




Dear SIUC Customer,


This letter is to inform you of a new monthly sewer base fee effective January 1, 2024. The new rate will be reflected on your monthly bill dated January 31, 2024. The fee increase is 4 % per month for all customer categories.


                Sewer Base Fee (1 ERU)                 $ 51.70                  Within Town of Seabrook Island

                                                                                $ 54.10                  Kiawah River Estates & Cassique


The water usage rate will increase in January from $ 5.50/1000 gallons to $ 5.90/1000 gallons. This increase includes a pass-through rate increase from St....

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June is National Safety Month

June is National Safety Month

June 01, 2024

As June arrives and the sun shines brightly overhead, many of us eagerly embrace the great outdoors to soak up the warmth and beauty of summertime. However, it's important to remember that outdoor adventures come with their own set of safety considerations.

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