To identify and assess significant environmental impacts in the Bay of Puerto Pizarro procedures established by APHA, AWWA & WPCF (1998) for surface water samples adjacent to the landing craft of Puerto Pizarro were followed from February to December 2007. They were sampled and identified to component level gender phytoplankton and zooplankton. Likert scale one quoted by Vásquez et al,, (2007) built with 27 items, which were resolved by 50 residents of Puerto Pizarro selected No probabilistic sampling was used for convenience. Not significant, significant and very significant for both negative and positive impacts: types of environmental impacts were established. It was concluded that: 1. The amount of Total Coliforms and Thermotolerant in seawater adjacent to the Fish Landing Craft Puerto Pizarro in Tumbes area was higher than 2400 MPN / 100 mL that exceed the provisions of ACE WATER r...