This research investigates the chemical properties of soil and groundwater in the ecologically sensitive coastal villages of Sankarpur, Chandpur, and Tajpur within the Purba Medinipur district of West Bengal. Given that over 60% of this region is dependent on fishing and associated economic activities,                                   maintaining environmental quality is critical for local sustainability. Soil analysis reveals a predominantly alkaline nature across the study area, with pH values ranging significantly between 8.0 and 9.0. This alkalinity is attributed to low regional rainfall, the inherent nature of coastal soil, and high sea-water influence bringing in alkaline substances such as calcium and magnesium carbonates. Nutrient profiling indicates that Tajpur possesses the highest

concentrations of Nitrate Nitrogen (reaching up to 45), suggesting potential suitability for specific crop cultivation. However, variable levels of Ammoniacal Nitrogen (ranging from 13 to 180) were recorded, with high values in specific locations of Sankarpur and Tajpur pointing toward potential ammonia pollution from organic decomposition or agricultural runoff. Groundwater analysis mirrors these alkaline trends, with pH levels observed between 7.2 and 9.5. Total Dissolved Solids (TDS) were recorded between 234 and 748, indicating varying degrees of salinity and mineral concentration across the coastal aquifers. The findings suggest that while the soil has certain nutrient strengths, the high alkalinity and localized ammonia concentrations necessitate strategic soil management and regular groundwater monitoring to support the region’s agricultural and environmental health.