{"permit":"LA0038407","name":"Deridder City of - WWTP & Beneficial Use Area","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/LA0038407"},"about":[{"label":"What it is","text":"Sewage treatment plant · rated a major discharger by EPA"},{"label":"Where","text":"De Ridder, Louisiana","href":"https://www.openstreetmap.org/?mlat=30.781389&mlon=-93.280278#map=14/30.781389/-93.280278"},{"label":"Last 12 months","text":"Over a limit once, last in July 2026 (BOD, 5-day, 20 deg. C). 14 required values not reported"},{"label":"Permit","text":"In force until Jan 31, 2031"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":1,"over_by":[["BOD, 5-day, 20 deg. C",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"BOD, 5-day, 20 deg. C","times":1,"find_limits":{"parameter":"bod","place":"US-LA","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-LA&medium=water_discharge"}],"upcoming":[{"parameter":"Cadmium, total [as Cd]","outfall":"001","limit":0.029,"unit":"lb/d","statistic":"monthly average","statistic_code":"MK","begin":"2029-02-01","kind":"new","now":null},{"parameter":"Cadmium, total [as Cd]","outfall":"001","limit":0.069,"unit":"lb/d","statistic":"weekly average","statistic_code":"WA","begin":"2029-02-01","kind":"new","now":null},{"parameter":"Zinc, total [as Zn]","outfall":"001","limit":1.23,"unit":"lb/d","statistic":"monthly average","statistic_code":"MK","begin":"2029-02-01","kind":"new","now":null},{"parameter":"Zinc, total [as Zn]","outfall":"001","limit":2.91,"unit":"lb/d","statistic":"weekly average","statistic_code":"WA","begin":"2029-02-01","kind":"new","now":null}],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"monthly average minimum","qualifier":">=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"253","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous maximum","qualifier":"<=","value":"8.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"23","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"379","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"weekly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"weekly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Whole effluent toxicity - retest #1","parameter_code":"22415","statistic":"48-hour minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"},{"outfall":"001","parameter":"Whole effluent toxicity - retest #1","parameter_code":"22415","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"},{"outfall":"001","parameter":"Whole effluent toxicity - retest #2","parameter_code":"22416","statistic":"48-hour minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"},{"outfall":"001","parameter":"Whole effluent toxicity - retest #2","parameter_code":"22416","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"},{"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":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"weekly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"BOD, percent removal [total]","parameter_code":"50076","statistic":"monthly average minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Whole Effluent Toxicity - Retest #3","parameter_code":"51443","statistic":"48-hour minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"},{"outfall":"001","parameter":"Whole Effluent Toxicity - Retest #3","parameter_code":"51443","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"},{"outfall":"001","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"monthly geometric mean","qualifier":"<=","value":"200","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"weekly geometric mean","qualifier":"<=","value":"400","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"monthly average minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly - Treated Sanitary Wastewater (Design Capacity - 3.03 MGD)"},{"outfall":"001","parameter":"Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex","parameter_code":"TEM3D","statistic":"48-hour minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"},{"outfall":"001","parameter":"Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex","parameter_code":"TEM3D","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"},{"outfall":"001","parameter":"NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex","parameter_code":"TOM3D","statistic":"48-hour minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"},{"outfall":"001","parameter":"NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex","parameter_code":"TOM3D","statistic":"monthly average minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"},{"outfall":"001","parameter":"Coef Of Var Static Renewal 48Hr Acute D. pulex","parameter_code":"TQM3D","statistic":"maximum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"Biomonitoring - Daphnia Pulex"}],"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":"bod","place":"US-LA","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-LA&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-LA&medium=water_discharge","page":"https://passage-data.com/limits/US-LA/bod"},{"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":"LA0038407"},"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=LA0038407"},{"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":"LA0038407"},"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=LA0038407"}]}