West Nusa Tenggara has a large sea area for aquaculture development . Monitoring water quality is an important factor in supporting the optimization of results and aquaculture development. One of the parameters that needs to be monitored is chemical parameters.
Monitoring was conducted from January 2023 to December 2023. Samples were taken from West Lombok, Central Lombok, East Lombok, Sumbawa and Bima Districts. Parameters that was tested for water quality monitoring included Nitrite, Nitrate, Phosphate and Ammonia. Data analysis conducted on 992 samples and used Spectrophotometry method . In general, the average value of water quality in West Nusa Tenggara province for Nitrite, Nitrate, Phosphate and Ammonia is respectively 0.036; 0.11; 1.46; 0.24 mg/L.