{"permit":"TN0020168","name":"Tennessee Valley Authority (TVA)","state":"TN","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/TN0020168"},"about":[{"label":"What it is","text":"Federal facility · Electric Services (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Spring City, Tennessee","href":"https://www.openstreetmap.org/?mlat=35.602881&mlon=-84.789648#map=14/35.602881/-84.789648"},{"label":"Last 12 months","text":"No values over a limit. 6 of 72 reports filed late"},{"label":"Permit","text":"In force until Jan 31, 2027"}],"renewal_due":{"date":"2026-08-04","when":"Aug 4, 2026, overdue","urgent":true},"renewal_check":{"offered_because":"application_overdue","application_due":"2026-08-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/TN0020168#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":"TN","sic":"4911","permits":15,"list":"https://passage-data.com/api/v1/permits?state=TN&sic=4911","page":"https://passage-data.com/dmr/s/TN/4911"},"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":"101","parameter":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"daily maximum","qualifier":"<=","value":"35","unit":"deg C","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly monitoring for OSN101"},{"outfall":"101","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly monitoring for 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