{"permit":"MS0003158","name":"TRUE TEMPER SPORTS INC","state":"MS","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MS0003158"},"about":[{"label":"What it is","text":"Sporting And Athletic Goods (EPA's industry listing)"},{"label":"Where","text":"Amory, Mississippi","href":"https://www.openstreetmap.org/?mlat=33.973444&mlon=-88.485389#map=14/33.973444/-88.485389"},{"label":"Last 12 months","text":"Over a limit 46 times, last in August 2026 (Nickel, total recoverable; Zinc, total recoverable; Chromium, total recoverable). 102 required values not reported. 7 of 15 reports filed late"},{"label":"Permit","text":"In force until Aug 31, 2031"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":46,"over_by":[["Nickel, total recoverable",19],["Zinc, total recoverable",8],["Chromium, total recoverable",8]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Nickel, total recoverable","times":19,"find_limits":{"parameter":"nickel","place":"US-MS","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=nickel&place=US-MS&medium=surface_water"},{"parameter":"Zinc, total recoverable","times":8,"find_limits":{"parameter":"zinc","place":"US-MS","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=zinc&place=US-MS&medium=surface_water"},{"parameter":"Chromium, total recoverable","times":8,"find_limits":{"parameter":"chromium","place":"US-MS","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=chromium&place=US-MS&medium=surface_water"}],"limits":[{"outfall":"001","parameter":"Temperature, water deg. fahrenheit","parameter_code":"00011","statistic":"daily maximum","qualifier":"<=","value":"100","unit":"deg F","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"minimum","qualifier":">=","value":"6","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"26","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"19","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"32.9","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"monthly average","qualifier":"<=","value":"26","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily maximum","qualifier":"<=","value":"52","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"monthly average","qualifier":"<=","value":"19","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily maximum","qualifier":"<=","value":"38","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"annual average","qualifier":"<=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"annual maximum","qualifier":"<=","value":"4","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"annual average","qualifier":"<=","value":"1.46","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"annual maximum","qualifier":"<=","value":"2.92","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Cyanide, total [as CN]","parameter_code":"00720","statistic":"maximum monthly average","qualifier":"<=","value":".65","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Cyanide, total [as CN]","parameter_code":"00720","statistic":"daily maximum","qualifier":"<=","value":"1.2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Cyanide, total [as CN]","parameter_code":"00720","statistic":"maximum monthly average","qualifier":"<=","value":".47","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Cyanide, total [as CN]","parameter_code":"00720","statistic":"daily maximum","qualifier":"<=","value":".88","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Iron, total recoverable","parameter_code":"00980","statistic":"monthly average","qualifier":"<=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Iron, total recoverable","parameter_code":"00980","statistic":"daily maximum","qualifier":"<=","value":"4","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Iron, total recoverable","parameter_code":"00980","statistic":"monthly average","qualifier":"<=","value":"1.46","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Iron, total recoverable","parameter_code":"00980","statistic":"daily maximum","qualifier":"<=","value":"2.92","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"monthly average","qualifier":"<=","value":".05","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"daily maximum","qualifier":"<=","value":".1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"monthly average","qualifier":"<=","value":".037","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"daily maximum","qualifier":"<=","value":".073","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Nickel, total recoverable","parameter_code":"01074","statistic":"monthly average","qualifier":"<=","value":".5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Nickel, total recoverable","parameter_code":"01074","statistic":"daily maximum","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Nickel, total recoverable","parameter_code":"01074","statistic":"monthly average","qualifier":"<=","value":".37","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Nickel, total recoverable","parameter_code":"01074","statistic":"daily maximum","qualifier":"<=","value":".73","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Silver total recoverable","parameter_code":"01079","statistic":"maximum monthly average","qualifier":"<=","value":".24","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Silver total recoverable","parameter_code":"01079","statistic":"daily maximum","qualifier":"<=","value":".29","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Silver total recoverable","parameter_code":"01079","statistic":"maximum monthly average","qualifier":"<=","value":".175","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Silver total recoverable","parameter_code":"01079","statistic":"daily maximum","qualifier":"<=","value":".21","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Zinc, total recoverable","parameter_code":"01094","statistic":"monthly average","qualifier":"<=","value":".5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Zinc, total recoverable","parameter_code":"01094","statistic":"daily maximum","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Zinc, total recoverable","parameter_code":"01094","statistic":"monthly average","qualifier":"<=","value":".37","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Zinc, total recoverable","parameter_code":"01094","statistic":"daily maximum","qualifier":"<=","value":".73","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Aluminum, total recoverable","parameter_code":"01104","statistic":"annual average","qualifier":"<=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Aluminum, total recoverable","parameter_code":"01104","statistic":"annual maximum","qualifier":"<=","value":"4","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Aluminum, total recoverable","parameter_code":"01104","statistic":"annual average","qualifier":"<=","value":"1.46","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Aluminum, total recoverable","parameter_code":"01104","statistic":"annual maximum","qualifier":"<=","value":"2.92","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"maximum monthly average","qualifier":"<=","value":".26","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"daily maximum","qualifier":"<=","value":".48","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"maximum monthly average","qualifier":"<=","value":".189","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"daily maximum","qualifier":"<=","value":".35","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"maximum monthly average","qualifier":"<=","value":".33","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"daily maximum","qualifier":"<=","value":".69","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"maximum monthly average","qualifier":"<=","value":".24","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"daily maximum","qualifier":"<=","value":".5","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Chromium, total recoverable","parameter_code":"01118","statistic":"monthly average","qualifier":"<=","value":".5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Chromium, total recoverable","parameter_code":"01118","statistic":"daily maximum","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Chromium, total recoverable","parameter_code":"01118","statistic":"monthly average","qualifier":"<=","value":".37","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Chromium, total recoverable","parameter_code":"01118","statistic":"daily maximum","qualifier":"<=","value":".73","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"monthly average","qualifier":"<=","value":".5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"daily maximum","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"monthly average","qualifier":"<=","value":".37","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"daily maximum","qualifier":"<=","value":".73","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Total toxic organics [TTO] [40 CFR433]","parameter_code":"78224","statistic":"annual maximum","qualifier":"<=","value":"2.13","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"Total toxic organics [TTO] [40 CFR433]","parameter_code":"78224","statistic":"annual maximum","qualifier":"<=","value":"1.56","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"100","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily maximum","qualifier":"<=","value":"150","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"73.06","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily maximum","qualifier":"<=","value":"109.6","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"pH range excursions, > 60 minutes","parameter_code":"82581","statistic":"monthly total","qualifier":"<=","value":".5","unit":"occur/mo","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"001","parameter":"pH range excursions, monthly total accum","parameter_code":"82582","statistic":"monthly maximum","qualifier":"<=","value":"446","unit":"min","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"minimum","qualifier":">=","value":"6","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"quarterly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"quarterly average","qualifier":"<=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"3","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Iron, total recoverable","parameter_code":"00980","statistic":"quarterly average","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Iron, total recoverable","parameter_code":"00980","statistic":"daily maximum","qualifier":"<=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Iron, total recoverable","parameter_code":"00980","statistic":"quarterly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Iron, total recoverable","parameter_code":"00980","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"quarterly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"quarterly average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"},{"outfall":"002","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily maximum","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER"}],"next":[{"tool":"find_limits","says":"What do the rules say about what it went over on? find_limits gives the cited state and federal limits for it, each with its rule; `get` is the address to fetch, and `over_limits` holds one for each parameter.","arguments":{"parameter":"nickel","place":"US-MS","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=nickel&place=US-MS&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=nickel&place=US-MS&medium=surface_water","page":"https://passage-data.com/limits/US-MS/nickel"},{"tool":"check_dmr","says":"Before your user files this permit's DMR: check_dmr sets each value beside the permit's limit for that period, with EPA's violation rule's verdict.","arguments":{"permit":"MS0003158"},"needs":{"period_end":"The reporting period: its month (2026-09).","values":"The period's values as your user will file them: [{outfall, parameter, statistic, value, unit}, ...]."},"post":"/api/v1/dmr/check","url":"https://passage-data.com/api/v1/dmr/check","page":"https://passage-data.com/dmr/?permit=MS0003158"},{"tool":"fill_dmr","says":"Has your user the plant's raw daily results? fill_dmr computes the period's DMR values from them, each with the rows it came from.","arguments":{"permit":"MS0003158"},"needs":{"period_end":"The reporting period: its month (2026-09).","rows":"The plant's results: [{date, parameter, value, unit, point}, ...]; or `table`, the lab's or plant's export as text."},"post":"/api/v1/dmr/fill","url":"https://passage-data.com/api/v1/dmr/fill","page":"https://passage-data.com/dmr/?permit=MS0003158"}]}