{"permit":"INRM03097","name":"Smyrna Ready Mix Plant 230","state":"IN","as_of":"2026-10-12","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-12","page":"/dmr/p/INRM03097"},"about":[{"label":"What it is","text":"Industrial or other facility"},{"label":"Where","text":"Indiana","href":"https://www.openstreetmap.org/?mlat=39.98354&mlon=-86.00799#map=14/39.98354/-86.00799"},{"label":"Last 12 months","text":"No reports in EPA's file"},{"label":"Permit","text":"In force until Aug 25, 2029"}],"renewal_due":null,"renewal_check":null,"limits_from_version":null,"record":null,"limits":[{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":null,"value":null,"unit":null,"report_only":true,"enforceable":false,"months":["AUG"],"limit_set":"South side of the facility"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"maximum","qualifier":null,"value":null,"unit":null,"report_only":true,"enforceable":false,"months":["AUG"],"limit_set":"South side of the facility"},{"outfall":"001","parameter":"Oil and grease, hexane extr method","parameter_code":"00552","statistic":"maximum","qualifier":null,"value":null,"unit":null,"report_only":true,"enforceable":false,"months":["AUG"],"limit_set":"South side of the facility"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"maximum","qualifier":null,"value":null,"unit":null,"report_only":true,"enforceable":false,"months":["AUG"],"limit_set":"South side of the facility"},{"outfall":"001","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"maximum","qualifier":null,"value":null,"unit":null,"report_only":true,"enforceable":false,"months":["AUG"],"limit_set":"South side of the facility"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"maximum","qualifier":null,"value":null,"unit":null,"report_only":true,"enforceable":false,"months":["AUG"],"limit_set":"South side of the facility"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"maximum","qualifier":null,"value":null,"unit":null,"report_only":true,"enforceable":false,"months":["AUG"],"limit_set":"South side of the facility"},{"outfall":"001","parameter":"Chemical Oxygen Demand [COD]","parameter_code":"81017","statistic":"maximum","qualifier":null,"value":null,"unit":null,"report_only":true,"enforceable":false,"months":["AUG"],"limit_set":"South side of the facility"}]}