{"permit":"MS0032921","name":"COPIAH COUNTY INDUSTRIAL PARK","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/MS0032921"},"about":[{"label":"What it is","text":"Sewerage Systems (EPA's industry listing)"},{"label":"Where","text":"Gallman, Mississippi","href":"https://www.openstreetmap.org/?mlat=31.919833&mlon=-90.394056#map=14/31.919833/-90.394056"},{"label":"Last 12 months","text":"Over a limit 6 times, last in August 2026 (Nitrogen, ammonia total [as N]; Solids, total suspended)"},{"label":"Permit","text":"In force until Jan 31, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"MS","sic":"4952","permits":356,"list":"https://passage-data.com/api/v1/permits?state=MS&sic=4952"},"limits_from_version":null,"record":{"last_filed":"2026-08-28","over":6,"over_by":[["Nitrogen, ammonia total [as N]",4],["Solids, total suspended",2]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Nitrogen, ammonia total [as N]","times":4,"find_limits":{"parameter":"ammonia","place":"US-MS","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-MS&medium=surface_water"},{"parameter":"Solids, total suspended","times":2,"find_limits":{"parameter":"total suspended solids","place":"US-MS","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-MS&medium=water_discharge"}],"limits":[{"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":"DOMESTIC WASTEWATER"},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"minimum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"DOMESTIC WASTEWATER"},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"DOMESTIC WASTEWATER"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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minute","parameter_code":"82219","statistic":"maximum","qualifier":null,"value":null,"unit":"mL/L","report_only":true,"enforceable":true,"months":"all","limit_set":"DOMESTIC WASTEWATER"}],"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":"4952"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MS&sic=4952","url":"https://passage-data.com/api/v1/permits?state=MS&sic=4952"},{"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":"ammonia","place":"US-MS","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-MS&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-MS&medium=surface_water","page":"https://passage-data.com/limits/US-MS/ammonia"},{"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":"MS0032921"},"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=MS0032921"},{"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":"MS0032921"},"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=MS0032921"}]}