In 2024, ** percent of the water supplied to American Water's customers was sourced from surface water. Surface water is collected from bodies of water found on the surface of the earth, such as rivers and lakes. American Water's main source of water supply varies greatly by state. For example, around ** percent of the water supplied to Pennsylvania came from surface water, whereas in California the main source of water supply was groundwater.
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American Water. (February 9, 2025). Distribution of the water supply sources of American Water in FY 2024 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/1292698/american-water-water-supply-sources/
American Water. "Distribution of the water supply sources of American Water in FY 2024." Chart. February 9, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/1292698/american-water-water-supply-sources/
American Water. (2025). Distribution of the water supply sources of American Water in FY 2024. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/1292698/american-water-water-supply-sources/
American Water. "Distribution of The Water Supply Sources of American Water in Fy 2024." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Feb 2025, /statistics/1292698/american-water-water-supply-sources/
American Water, Distribution of the water supply sources of American Water in FY 2024 ÌÇÐÄÆƽâ°æ, /statistics/1292698/american-water-water-supply-sources/ (last visited July 21, 2026)
Distribution of the water supply sources of American Water in FY 2024 [Graph], American Water, February 9, 2025. [Online]. Available: /statistics/1292698/american-water-water-supply-sources/
