As of 2021, the Kpong and Sogakope rivers in the main and lower Volta basins in Ghana registered the highest water quality index scores. These reached points and points, respectively, meaning that their water quality was good or unpolluted. Rivers in the country with fairly good water quality included Ajena, Bamboi, and Daboya, all in the Volta basin. The index measures the quality of surface water, where, for instance, scores between ** and ** indicate poor quality of water, and scores greater than ** points represent good or unpolluted water.
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Water Resources Commission. (January 16, 2022). Rivers with the highest water quality index in Ghana as of 2021 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/1445727/rivers-with-the-highest-water-quality-in-ghana/
Water Resources Commission. "Rivers with the highest water quality index in Ghana as of 2021." Chart. January 16, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/1445727/rivers-with-the-highest-water-quality-in-ghana/
Water Resources Commission. (2022). Rivers with the highest water quality index in Ghana as of 2021. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/1445727/rivers-with-the-highest-water-quality-in-ghana/
Water Resources Commission. "Rivers with The Highest Water Quality Index in Ghana as of 2021." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 16 Jan 2022, /statistics/1445727/rivers-with-the-highest-water-quality-in-ghana/
Water Resources Commission, Rivers with the highest water quality index in Ghana as of 2021 ÌÇÐÄÆƽâ°æ, /statistics/1445727/rivers-with-the-highest-water-quality-in-ghana/ (last visited July 28, 2026)
Rivers with the highest water quality index in Ghana as of 2021 [Graph], Water Resources Commission, January 16, 2022. [Online]. Available: /statistics/1445727/rivers-with-the-highest-water-quality-in-ghana/
