In this work, a study was carried out on the water quality of a well and a cistern in the region of Campina Grande-PB. The collected samples were sent to the Water and Effluent Quality Control Laboratory at SENAI-CTCC Albano Franco. Physical-chemical analyzes were performed, pH, turbidity, color, free residual chlorine, total hardness, chloride, and total dissolved solids were determined. The classification of water potability was based on the physical-chemical parameters of ordinance 2,914 of

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... ecember 2011, from the Ministry of Health, where the results obtained indicated that the samples were not fit for human consumption. The objective was to evaluate and compare the physical-chemical parameters of water samples from a well and a cistern located in the city of Campina Grande, Paraíba, such as: pH, turbidity, color, free chlorine, chlorides, total hardness and dissolved solids totals, characterizing our study as quanti-qualitative.