Water analysis; detection of contaminants in water and water systems; detection of microorganisms in water and water systems; measurement of physical and chemical parameters in water and human-made water systems; measurement of free residual disinfectant, total oxidants, flow rates, pressure, temperature, pH, organic carbon, conductivity, turbidity, and/or particles in water and human-made water systems; computer software design and development in the field of water analysis, treatment, remed...