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What are RI Towns Doing? RIWIS (Rhode Island Wastewater Information System) Onsite Systems Basics Wastewater Manager's Toolkit Onsite System Research and Assessment Resources
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About Block Island Located 10 miles off the southern Rhode Island shore, Block Island is a year-round home to about 1000 people. However, the population of the 9.7 square mile island swells to over 10,000 people, and a substantial number of summer cottages have been converted to year-round use without improvements to the wastewater treatment system. The Island’s water resources consist of a designated sole source aquifer, coastal embayments, drinking water reservoirs, freshwater wetlands, and ponds, all of which are vulnerable to contamination. Eighty percent of year-round residents and 54% of visitors use onsite wastewater treatment systems. The Island is a popular eco-tourism destination, and the strength of the local economy depends upon the health of the water resources and unique natural areas. Appropriate onsite wastewater treatment is essential to prevent pathogens and nutrients from harming the water supply and to maintain recreational and commercial fishing, shell fishing, boating, and swimming. Quick Facts • Island
community of 10 square miles, 10 miles off Rhode Island shore;
42% of land in conservation
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Block Island
