{"query":{"parameter":"salinity asnacl","place":"US-CA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-CA","US"],"parameter_keys":["name:salinity"],"names_matched":[["salinity asnacl","name:salinity"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":1,"offset":0,"returned":1,"next_offset":null,"rows":[{"id":"75ca65ebecdb6c92","parameter":"Salinity (increase above natural background)","value":"(1) Discharges shall not exceed a daily maximum of 2.0 parts per thousand (ppt) above natural background salinity* measured no further than 100 meters (328 ft) horizontally from each discharge point. There is no vertical limit to this zone.","value_num":2,"unit":"ppt","statistic":"daily_max","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:salinity","place":["US-CA"],"conditions":["receiving_water is marine","ocean waters of California (the territorial sea and the waters beyond the enclosed bays, estuaries and coastal lagoons): the Ocean Plan's jurisdiction","a desalination facility discharging brine into ocean waters, including one that commingles brine and wastewater (chapter III.M.3.a); measured no further than 100 meters horizontally from each discharge point; a regional water board may substitute a facility-specific value (III.M.3.c)"],"cite":{"instrument":"us_ca_ocean_plan","title":"Water Quality Control Plan for Ocean Waters of California (California Ocean Plan, 2019): Table 3 water quality objectives, Table 4 effluent limitations, and the salinity limitation for desalination brine","issuer":"State of California, State Water Resources Control Board","edition":"California Ocean Plan 2019, effective February 4, 2019 (State Water Resources Control Board; includes the 2015 desalination amendment, effective January 28, 2016), as the State Water Board serves it 2026-10-14","source_url":"https://www.waterboards.ca.gov/water_issues/programs/ocean/docs/oceanplan2019.pdf","source_sha256":"cbff9eaf5b7df1c9b818190851d4196e26c53b56b1860ce11fc44bdf125a5d6c","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Ocean Plan chapter III.M.3.b(1)","page":62,"quote":"(1) Discharges shall not exceed a daily maximum of 2.0 parts per thousand (ppt) above natural background salinity* measured no further than 100 meters (328 ft) horizontally from each discharge point. There is no vertical limit to this zone."}}],"next":[{"tool":"check_values","says":"Has your user measured this? check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"US-CA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"salinity asnacl\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check"},{"tool":"read_certificate","says":"Has your user a laboratory certificate? read_certificate reads every row it prints, each with its page, and checks them against these limits.","arguments":{"place":"US-CA"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}