Laguna (province) producing of fish. Carp and tilapia fingerlings are also being grown in inland ponds and freshwater fish pens. There are a total of 457 operators utilizing an area of for fish pens and fish cages. Aside from the Laguna de Bay, approximately 12% of the area in the Seven Lakes of San Pablo is being used for aquaculture. Laguna is home to twenty-one economic zones as registered under the Philippine Economic Zone Authority. Most of these economic zones are located in Santa Rosa, Biñan, and Calamba. The largest economic zone in Laguna is the Laguna Technopark, located in Santa Rosa
Laguna Lake Development Authority now tapped by Maynilad Water Services, Inc. to supply the water needs of the communities in Muntinlupa, Las Pinas and nearby areas. The LLDA, as early as August 7, 2009, approved the water permit application of Maynilad to allow the West Zone concessionaire to abstract 100 million liters per day of lake water to be made available for domestic consumption. Maynilad started the production of 50 MLD last June 2010 and expects to produce 100 MLD in September this year using surface raw water from Laguna de Bay. To realize the objectives of the creation of LLDA, the agency implemented