The water filter testing results at Hamali Basthi, Hyderabad were highly positive. Key findings include: - Nitrates, H2S, and turbidity were completely removed after filtering. The water color was clear. - pH levels approached normal range and chlorine was partially removed. Alkalinity and hardness were reduced. - Testing of water samples before and after filtering showed reductions in levels of contaminants. - The community appreciated the results and was willing to adopt the filters to reduce contaminants in their water supply.