{"query":{"parameter":"chromium 3 total recoverable","place":"US-WI","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-WI","US"],"parameter_keys":["name:chromium (+3)"],"names_matched":[["chromium 3 total recoverable","name:chromium (+3)"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":16,"offset":0,"returned":16,"next_offset":null,"rows":[{"id":"c4053cd2b767fe40","parameter":"Chromium (+3) (total recoverable)","value":"V 0.819, ln ACI 3.7256","unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:chromium (+3)","place":["US-WI"],"conditions":["receiving_water is freshwater","hardness-dependent: the table's equation with the row's V and ln ACI; printed, not evaluated"],"cite":{"instrument":"us_wi_wqs","title":"Wisconsin Administrative Code ch. 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NR 105 surface water quality criteria for toxic substances (acute and chronic aquatic life, wildlife, human threshold and human cancer) and ch. NR 102 dissolved oxygen, pH, PFOS/PFOA and total phosphorus criteria","issuer":"State of Wisconsin, Department of Natural Resources","edition":"NR 105 as last amended Register July 2010 No. 655 (eff. 8-1-10) and NR 102 effective April 26, 2024 (Register January 2024 No. 817), as US EPA posts them in effect for CWA purposes; EPA disapproved NR 105's copper and nickel acute and chronic criteria (Tables 2 and 6) and the endrin chronic criterion (Table 5), replaced by 40 CFR 132 Tables 1 and 2","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/wiwqs-nr105.pdf","source_sha256":"c41f1ef79ba951936c9998711fca196f6e6b27dff311ba17b27d938b39cb0063","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"NR 105.06 Table 6","page":12,"quote":"Cold Water 0.819 0.6851 48.86 86.21 152.1"}},{"id":"28163d7cd91dd0b9","parameter":"Chromium (+3) (total recoverable)","value":"48.86","value_num":48.86,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:chromium (+3)","place":["US-WI"],"conditions":["receiving_water is freshwater","cold water community (NR 102.04(3)(a))","hardness 50 ppm as CaCO3 (Table 6's example)"],"cite":{"instrument":"us_wi_wqs","title":"Wisconsin Administrative Code ch. NR 105 surface water quality criteria for toxic substances (acute and chronic aquatic life, wildlife, human threshold and human cancer) and ch. NR 102 dissolved oxygen, pH, PFOS/PFOA and total phosphorus criteria","issuer":"State of Wisconsin, Department of Natural Resources","edition":"NR 105 as last amended Register July 2010 No. 655 (eff. 8-1-10) and NR 102 effective April 26, 2024 (Register January 2024 No. 817), as US EPA posts them in effect for CWA purposes; EPA disapproved NR 105's copper and nickel acute and chronic criteria (Tables 2 and 6) and the endrin chronic criterion (Table 5), replaced by 40 CFR 132 Tables 1 and 2","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/wiwqs-nr105.pdf","source_sha256":"c41f1ef79ba951936c9998711fca196f6e6b27dff311ba17b27d938b39cb0063","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"NR 105.06 Table 6","page":12,"quote":"Cold Water 0.819 0.6851 48.86 86.21 152.1"}},{"id":"2c25461b7e7b7b8f","parameter":"Chromium (+3) (total recoverable)","value":"86.21","value_num":86.21,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:chromium (+3)","place":["US-WI"],"conditions":["receiving_water is freshwater","cold water community (NR 102.04(3)(a))","hardness 100 ppm as CaCO3 (Table 6's example)"],"cite":{"instrument":"us_wi_wqs","title":"Wisconsin Administrative Code ch. 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NR 102 dissolved oxygen, pH, PFOS/PFOA and total phosphorus criteria","issuer":"State of Wisconsin, Department of Natural Resources","edition":"NR 105 as last amended Register July 2010 No. 655 (eff. 8-1-10) and NR 102 effective April 26, 2024 (Register January 2024 No. 817), as US EPA posts them in effect for CWA purposes; EPA disapproved NR 105's copper and nickel acute and chronic criteria (Tables 2 and 6) and the endrin chronic criterion (Table 5), replaced by 40 CFR 132 Tables 1 and 2","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/wiwqs-nr105.pdf","source_sha256":"c41f1ef79ba951936c9998711fca196f6e6b27dff311ba17b27d938b39cb0063","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"NR 105.06 Table 6","page":12,"quote":"Cold Water 0.819 0.6851 48.86 86.21 152.1"}},{"id":"d822e8943515ac65","parameter":"Chromium (+3) (total recoverable)","value":"152.1","value_num":152.1,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:chromium (+3)","place":["US-WI"],"conditions":["receiving_water is freshwater","cold water community (NR 102.04(3)(a))","hardness 200 ppm as CaCO3 (Table 6's example)"],"cite":{"instrument":"us_wi_wqs","title":"Wisconsin Administrative Code ch. NR 105 surface water quality criteria for toxic substances (acute and chronic aquatic life, wildlife, human threshold and human cancer) and ch. NR 102 dissolved oxygen, pH, PFOS/PFOA and total phosphorus criteria","issuer":"State of Wisconsin, Department of Natural Resources","edition":"NR 105 as last amended Register July 2010 No. 655 (eff. 8-1-10) and NR 102 effective April 26, 2024 (Register January 2024 No. 817), as US EPA posts them in effect for CWA purposes; EPA disapproved NR 105's copper and nickel acute and chronic criteria (Tables 2 and 6) and the endrin chronic criterion (Table 5), replaced by 40 CFR 132 Tables 1 and 2","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/wiwqs-nr105.pdf","source_sha256":"c41f1ef79ba951936c9998711fca196f6e6b27dff311ba17b27d938b39cb0063","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"NR 105.06 Table 6","page":12,"quote":"Cold Water 0.819 0.6851 48.86 86.21 152.1"}},{"id":"2d18aa3dfacbf12f","parameter":"Chromium (+3) (total recoverable)","value":"V 0.819, ln CCI 1.112","unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:chromium (+3)","place":["US-WI"],"conditions":["receiving_water is freshwater","warm water sport fish community (NR 102.04(3)(b))","hardness-dependent: the table's equation with the row's V and ln CCI; printed, not evaluated"],"cite":{"instrument":"us_wi_wqs","title":"Wisconsin Administrative Code ch. 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NR 105 surface water quality criteria for toxic substances (acute and chronic aquatic life, wildlife, human threshold and human cancer) and ch. 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NR 105 surface water quality criteria for toxic substances (acute and chronic aquatic life, wildlife, human threshold and human cancer) and ch. 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NR 105 surface water quality criteria for toxic substances (acute and chronic aquatic life, wildlife, human threshold and human cancer) and ch. 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NR 105 surface water quality criteria for toxic substances (acute and chronic aquatic life, wildlife, human threshold and human cancer) and ch. 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