{"permit":"MS0036986","name":"WESTLAKE COMPOUNDS LLC, dba WESTLAKE GLOBAL COMPOUNDS, GALLMAN","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/MS0036986"},"about":[{"label":"What it is","text":"Custom Compound Purchased Resins (EPA's industry listing)"},{"label":"Where","text":"Hazlehurst, Mississippi","href":"https://www.openstreetmap.org/?mlat=31.908028&mlon=-90.395417#map=14/31.908028/-90.395417"},{"label":"Last 12 months","text":"Over a limit once, last in October 2025 (Zinc, total recoverable)"},{"label":"Permit","text":"In force until Apr 30, 2027"}],"renewal_due":{"date":"2026-11-01","when":"Nov 1, 2026, overdue","urgent":true},"renewal_check":{"offered_because":"application_overdue","application_due":"2026-11-01","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MS0036986#renewal","says":"Each limit a renewal could tighten or add, from the state's water-quality standards and the federal rules for this kind of discharge, each cited to its rule, beside EPA's 12-month record; a rule we do not hold is named, never guessed. A person orders it on the permit's page with their email; it is sent by email within 5 business days."},"sector":{"state":"MS","sic":"30","permits":3,"list":"https://passage-data.com/api/v1/permits?state=MS&sic=30","page":"https://passage-data.com/dmr/s/MS/30"},"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":1,"over_by":[["Zinc, total recoverable",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Zinc, total recoverable","times":1,"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"}],"limits":[{"outfall":"001","parameter":"Temperature, water deg. fahrenheit","parameter_code":"00011","statistic":"monthly average","qualifier":null,"value":null,"unit":"deg F","report_only":true,"enforceable":true,"months":"all","limit_set":"COOLING TOWER BLOWDOWN"},{"outfall":"001","parameter":"Temperature, water deg. fahrenheit","parameter_code":"00011","statistic":"daily maximum","qualifier":"<=","value":"90","unit":"deg F","report_only":false,"enforceable":true,"months":"all","limit_set":"COOLING TOWER BLOWDOWN"},{"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":"COOLING TOWER BLOWDOWN"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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maximum","qualifier":null,"value":null,"unit":"#/100mL","report_only":true,"enforceable":true,"months":"all","limit_set":"Cooling Tower Blowdown, Railcar Wash, Storm Water, & Gala Water"}],"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":"MS","sic":"30"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MS&sic=30","url":"https://passage-data.com/api/v1/permits?state=MS&sic=30","page":"https://passage-data.com/dmr/s/MS/30"},{"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":"zinc","place":"US-MS","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=zinc&place=US-MS&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=zinc&place=US-MS&medium=surface_water","page":"https://passage-data.com/limits/US-MS/zinc"},{"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":"MS0036986"},"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=MS0036986"},{"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":"MS0036986"},"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=MS0036986"}]}