{"permit":"MS0030333","name":"HARRISON CO UTILITY AUTHORITY, WEST BILOXI POTW","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/MS0030333"},"about":[{"label":"What it is","text":"Sewage treatment plant · rated a major discharger by EPA"},{"label":"Where","text":"Biloxi, Mississippi","href":"https://www.openstreetmap.org/?mlat=30.407694&mlon=-88.969167#map=14/30.407694/-88.969167"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"In force until Jun 30, 2028"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2028-01-02","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MS0030333#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":null,"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"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":"TREATED DOMESTIC/MUNICIPAL WASTEWATER DISCHARGE"},{"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":"TREATED DOMESTIC/MUNICIPAL WASTEWATER DISCHARGE"},{"outfall":"001","parameter":"Oxygen, dissolved 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