{"query":{"parameter":"turbidity","place":"US-OK","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-OK","US"],"parameter_keys":["name:turbidity","name:total suspended sediment or turbidity","name:turbidity increase"],"names_matched":[["turbidity","name:turbidity"],["total suspended sediment or turbidity","name:total suspended sediment or turbidity"],["turbidity increase","name:turbidity increase"],["turbidity increase ntu","name:turbidity increase"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":3,"offset":0,"returned":3,"next_offset":null,"rows":[{"id":"f27dd7c59d800a54","parameter":"Turbidity","value":"10 NTUs","value_num":10,"unit":"NTU","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:turbidity","place":["US-OK"],"conditions":["receiving_water is freshwater","waters designated with any Fish and Wildlife Propagation subcategory (a water's designated uses: Appendix A; not evaluated)","Cool Water Aquatic Community / Trout Fisheries (a water's designated uses: Appendix A; not evaluated)"],"cite":{"instrument":"us_ok_wqs","title":"Oklahoma's Water Quality Standards (OAC 252:730): Appendix G Tables 1-2 numerical criteria by beneficial use, and the numerical criteria of 252:730-5-10, 5-12 and 5-19, and Appendix F chloride, sulfate and TDS by WQM segment (252:730-5-13)","issuer":"State of Oklahoma, Department of Environmental Quality (Environmental Quality Board)","edition":"OAC 252:730 as DEQ codifies it (Board adoption February 17, 2023, effective September 15, 2023; DEQ's own PDF, born-digital). US EPA's posting in effect for CWA purposes (effective December 18, 2024, cover February 10, 2025) is an OCR'd scan of the later edition; its Appendix G carries no amendment after September 15, 2023. EPA's exceptions are honoured: the perchlorate 'fish consumption and water' 9 µg/L (no action) and the Livestock Agriculture subcategory (disapproved) are not held; Appendix E site-specific criteria for Poteau and Idabel are not held. Appendix F (amended effective 9-15-24 in EPA's posting) prints the same values as DEQ's 2023 PDF; its eight-digit sub-watershed segments (note (4)) carry EPA's no action and are not held","source_url":"https://oklahoma.gov/content/dam/ok/en/deq/documents/deqmainresources/730.pdf","source_sha256":"483572da2c80c9686956047426b41f44e56388c1ab5873c5ce38b6d905b70b40","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"OAC 252:730-5-12(f)(7)","page":19,"quote":"(A) Turbidity from other than natural sources shall be restricted to not exceed the following numerical limits: (i) Cool Water Aquatic Community/Trout Fisheries: 10 NTUs; (ii) Lakes: 25 NTUs; and (iii) Other surface waters: 50 NTUs."}},{"id":"de42c0678dc28d88","parameter":"Turbidity","value":"25 NTUs","value_num":25,"unit":"NTU","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:turbidity","place":["US-OK"],"conditions":["receiving_water is freshwater","waters designated with any Fish and Wildlife Propagation subcategory (a water's designated uses: Appendix A; not evaluated)","lakes"],"cite":{"instrument":"us_ok_wqs","title":"Oklahoma's Water Quality Standards (OAC 252:730): Appendix G Tables 1-2 numerical criteria by beneficial use, and the numerical criteria of 252:730-5-10, 5-12 and 5-19, and Appendix F chloride, sulfate and TDS by WQM segment (252:730-5-13)","issuer":"State of Oklahoma, Department of Environmental Quality (Environmental Quality Board)","edition":"OAC 252:730 as DEQ codifies it (Board adoption February 17, 2023, effective September 15, 2023; DEQ's own PDF, born-digital). US EPA's posting in effect for CWA purposes (effective December 18, 2024, cover February 10, 2025) is an OCR'd scan of the later edition; its Appendix G carries no amendment after September 15, 2023. EPA's exceptions are honoured: the perchlorate 'fish consumption and water' 9 µg/L (no action) and the Livestock Agriculture subcategory (disapproved) are not held; Appendix E site-specific criteria for Poteau and Idabel are not held. Appendix F (amended effective 9-15-24 in EPA's posting) prints the same values as DEQ's 2023 PDF; its eight-digit sub-watershed segments (note (4)) carry EPA's no action and are not held","source_url":"https://oklahoma.gov/content/dam/ok/en/deq/documents/deqmainresources/730.pdf","source_sha256":"483572da2c80c9686956047426b41f44e56388c1ab5873c5ce38b6d905b70b40","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"OAC 252:730-5-12(f)(7)","page":19,"quote":"(A) Turbidity from other than natural sources shall be restricted to not exceed the following numerical limits: (i) Cool Water Aquatic Community/Trout Fisheries: 10 NTUs; (ii) Lakes: 25 NTUs; and (iii) Other surface waters: 50 NTUs."}},{"id":"4e9f55628f6fecb7","parameter":"Turbidity","value":"50 NTUs","value_num":50,"unit":"NTU","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:turbidity","place":["US-OK"],"conditions":["receiving_water is freshwater","waters designated with any Fish and Wildlife Propagation subcategory (a water's designated uses: Appendix A; not evaluated)","other surface waters"],"cite":{"instrument":"us_ok_wqs","title":"Oklahoma's Water Quality Standards (OAC 252:730): Appendix G Tables 1-2 numerical criteria by beneficial use, and the numerical criteria of 252:730-5-10, 5-12 and 5-19, and Appendix F chloride, sulfate and TDS by WQM segment (252:730-5-13)","issuer":"State of Oklahoma, Department of Environmental Quality (Environmental Quality Board)","edition":"OAC 252:730 as DEQ codifies it (Board adoption February 17, 2023, effective September 15, 2023; DEQ's own PDF, born-digital). US EPA's posting in effect for CWA purposes (effective December 18, 2024, cover February 10, 2025) is an OCR'd scan of the later edition; its Appendix G carries no amendment after September 15, 2023. EPA's exceptions are honoured: the perchlorate 'fish consumption and water' 9 µg/L (no action) and the Livestock Agriculture subcategory (disapproved) are not held; Appendix E site-specific criteria for Poteau and Idabel are not held. Appendix F (amended effective 9-15-24 in EPA's posting) prints the same values as DEQ's 2023 PDF; its eight-digit sub-watershed segments (note (4)) carry EPA's no action and are not held","source_url":"https://oklahoma.gov/content/dam/ok/en/deq/documents/deqmainresources/730.pdf","source_sha256":"483572da2c80c9686956047426b41f44e56388c1ab5873c5ce38b6d905b70b40","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"OAC 252:730-5-12(f)(7)","page":19,"quote":"(A) Turbidity from other than natural sources shall be restricted to not exceed the following numerical limits: (i) Cool Water Aquatic Community/Trout Fisheries: 10 NTUs; (ii) Lakes: 25 NTUs; and (iii) Other surface waters: 50 NTUs."}}],"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-OK"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"turbidity\", 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-OK"},"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"}]}