{"permit":"LA0127190","name":"Denka Performance Elastomer LLC - Pontchartrain Plant","state":"LA","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/LA0127190"},"about":[{"label":"What it is","text":"Synthetic Rubber (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Laplace, Louisiana","href":"https://www.openstreetmap.org/?mlat=30.053944&mlon=-90.524833#map=14/30.053944/-90.524833"},{"label":"Last 12 months","text":"Over a limit once, last in February 2026 (Coliform, fecal general). 1 required value not reported. 2 of 42 reports filed late"},{"label":"Permit","text":"In force until Jun 30, 2031"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"LA","sic":"28","permits":130,"list":"https://passage-data.com/api/v1/permits?state=LA&sic=28","page":"https://passage-data.com/dmr/s/LA/28"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["Coliform, fecal general",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous minimum","qualifier":null,"value":null,"unit":"SU","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly - 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