Delineation of Mrutu Spring Protection Zone: An Attempt to Maintain the Sustainability of Groundwater Resources

Abstract Lumajang Regency government plans to optimize water resources using Mrutu Spring groundwater as a source for the Drinking Water Supply System (SPAM). The maintenance of quality and quantity sustainability is necessary delineate protection zone Spring. Geological, hydrogeological, land use parameters assessed spring zone. determination was conducted manual analytical solutions combination hydrogeological methods. This study finds that around up recharge in northwest. divided into I, II, III, geometry I circle with radius 1.64 km 314 m 2 . Protection II fifth 2.87 has an ellipsoidal shape 16.74 67.28 oval, ± 12 57,85