{"permit":"DE0000558","name":"Calpine Mid-Atlantic","state":"DE","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/DE0000558"},"about":[{"label":"What it is","text":"Electric Services (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Wilmington, Delaware","href":"https://www.openstreetmap.org/?mlat=39.738589&mlon=-75.145833#map=14/39.738589/-75.145833"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"Expired Jul 31, 2023; its limits still apply until a new permit is issued, and EPA still expects the reports"}],"renewal_due":null,"renewal_check":{"offered_because":"permit_expired","application_due":"2023-02-01","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/DE0000558#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":{"state":"DE","sic":"4911","permits":3,"list":"https://passage-data.com/api/v1/permits?state=DE&sic=4911","page":"https://passage-data.com/dmr/s/DE/4911"},"limits_from_version":null,"record":{"last_filed":"2026-07-31","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Temperature, water deg. fahrenheit","parameter_code":"00011","statistic":"daily average","qualifier":null,"value":null,"unit":"deg F","report_only":true,"enforceable":true,"months":["JAN","FEB","MAR","APR","MAY","JUN","OCT","NOV","DEC"],"limit_set":null},{"outfall":"001","parameter":"Temperature, water deg. fahrenheit","parameter_code":"00011","statistic":"daily average","qualifier":null,"value":null,"unit":"deg F","report_only":true,"enforceable":true,"months":["JUL","AUG","SEP"],"limit_set":null},{"outfall":"001","parameter":"Temperature, water 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Discharge","parameter_code":"00015","statistic":"daily average","qualifier":"<=","value":"2560","unit":"BTU/hr","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"001","parameter":"Thermal Discharge","parameter_code":"00015","statistic":"daily maximum","qualifier":"<=","value":"3200","unit":"BTU/hr","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"001","parameter":"Copper, dissolved [as Cu]","parameter_code":"01040","statistic":"daily 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maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":null},{"outfall":"016","parameter":"Chlorine, free available","parameter_code":"50064","statistic":"daily average","qualifier":"<=","value":".2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"016","parameter":"Chlorine, free available","parameter_code":"50064","statistic":"daily maximum","qualifier":"<=","value":".5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":null}],"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":"DE","sic":"4911"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=DE&sic=4911","url":"https://passage-data.com/api/v1/permits?state=DE&sic=4911","page":"https://passage-data.com/dmr/s/DE/4911"},{"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":"DE0000558"},"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=DE0000558"},{"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":"DE0000558"},"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=DE0000558"}]}