{"permit":"TX0084298","name":"SMITH INTERNATIONAL INDUSTRIAL SUBDIVISION WATER SUPPLY & SEWER SERVICES CORP","state":"TX","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/TX0084298"},"about":[{"label":"What it is","text":"Oil And Gas Field Machinery (EPA's industry listing)"},{"label":"Where","text":"Houston, Texas","href":"https://www.openstreetmap.org/?mlat=29.955833&mlon=-95.385277#map=14/29.955833/-95.385277"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"In force until Nov 16, 2028"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"TX","sic":"35","permits":7,"list":"https://passage-data.com/api/v1/permits?state=TX&sic=35","page":"https://passage-data.com/dmr/s/TX/35"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":"<=","value":"25","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily average","qualifier":"<=","value":"8.43","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":"<=","value":"21","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Oxygen demand, chem. [high level] [COD]","parameter_code":"00340","statistic":"daily average","qualifier":"<=","value":"100","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Oxygen demand, chem. [high level] [COD]","parameter_code":"00340","statistic":"daily maximum","qualifier":"<=","value":"200","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Oxygen demand, chem. [high level] [COD]","parameter_code":"00340","statistic":"daily average","qualifier":"<=","value":"61.7","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Oxygen demand, chem. [high level] [COD]","parameter_code":"00340","statistic":"daily maximum","qualifier":"<=","value":"123","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"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 - 001"},{"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 - 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily average","qualifier":"<=","value":"17.2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"42.8","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily average","qualifier":"<=","value":"10.6","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"26.4","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily average","qualifier":"<=","value":"12.2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily maximum","qualifier":"<=","value":"24.5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily average","qualifier":"<=","value":"7.53","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily maximum","qualifier":"<=","value":"15.1","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Cyanide, free [amenable to chlorination]","parameter_code":"00722","statistic":"daily average","qualifier":"<=","value":".062","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Cyanide, free [amenable to chlorination]","parameter_code":"00722","statistic":"daily maximum","qualifier":"<=","value":".138","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Cyanide, free [amenable to chlorination]","parameter_code":"00722","statistic":"daily average","qualifier":"<=","value":".038","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Cyanide, free [amenable to chlorination]","parameter_code":"00722","statistic":"daily maximum","qualifier":"<=","value":".085","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"daily average","qualifier":"<=","value":".079","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"daily maximum","qualifier":"<=","value":".183","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"daily average","qualifier":"<=","value":".048","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"daily maximum","qualifier":"<=","value":".113","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily average","qualifier":"<=","value":".669","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily maximum","qualifier":"<=","value":"1.248","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily average","qualifier":"<=","value":".413","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily maximum","qualifier":"<=","value":".77","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"daily average","qualifier":"<=","value":".625","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"daily maximum","qualifier":"<=","value":"1.32","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"daily average","qualifier":"<=","value":".391","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"daily maximum","qualifier":"<=","value":".823","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"daily average","qualifier":"<=","value":".48","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"daily maximum","qualifier":"<=","value":".92","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"daily average","qualifier":"<=","value":".302","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"daily maximum","qualifier":"<=","value":".588","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"daily average","qualifier":"<=","value":"1.193","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"daily maximum","qualifier":"<=","value":"2.277","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"daily average","qualifier":"<=","value":".736","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"daily maximum","qualifier":"<=","value":"1.406","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"daily average","qualifier":"<=","value":".077","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"daily maximum","qualifier":"<=","value":".146","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"daily average","qualifier":"<=","value":".047","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"daily maximum","qualifier":"<=","value":".09","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"daily average","qualifier":"<=","value":"1.067","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"daily maximum","qualifier":"<=","value":"2.085","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"daily average","qualifier":"<=","value":".658","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"daily maximum","qualifier":"<=","value":"1.287","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily average","qualifier":"<=","value":".15","unit":"MGD","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":"<=","value":".3","unit":"MGD","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"monthly minimum","qualifier":">=","value":".5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"monthly maximum","qualifier":"<=","value":"4","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"daily average","qualifier":"<=","value":"63","unit":"CFU/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"daily maximum","qualifier":"<=","value":"197","unit":"CFU/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Organics, total toxic [TTO]","parameter_code":"78141","statistic":"daily maximum","qualifier":"<=","value":".298","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"},{"outfall":"001","parameter":"Organics, total toxic [TTO]","parameter_code":"78141","statistic":"daily maximum","qualifier":"<=","value":".184","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"PROCESS WASTEWATER - 001"}],"next":[{"tool":"list_permits","says":"Screening this industry? list_permits lists every permit of it in this state in one call, each with its page and its get_permit address; `get` is the address to fetch.","arguments":{"state":"TX","sic":"35"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=TX&sic=35","url":"https://passage-data.com/api/v1/permits?state=TX&sic=35","page":"https://passage-data.com/dmr/s/TX/35"},{"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":"TX0084298"},"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=TX0084298"},{"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":"TX0084298"},"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=TX0084298"}]}