{"state":"CT","as_of":"2026-10-15","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-15","page":"/dmr/p/CT","listed":"individual NPDES permits with limits in EPA's file; a general permit's coverages are not listed"},"filter":{"industry":null,"sic":"4911","matched_on":"EPA's primary SIC code and its description","over_limit":null,"parameter":null,"renewal":null},"of":149,"without_industry":15,"matched":12,"offset":0,"returned":12,"screen":{"of":12,"window":["2025-10-01","2026-09-30"],"with_record":12,"without_record":0,"over_limit":4,"missing_values":1,"parameters_over":[{"parameter":"Copper, total [as Cu]","permits":1},{"parameter":"Iron, total [as Fe]","permits":1},{"parameter":"pH","permits":1},{"parameter":"Solids, total suspended","permits":1}],"renewal":{"permit_expired":9,"application_overdue":0,"application_due_within_18_months":0},"says":"Of the 12 permits in EPA's SIC 4911 in CT, 4 went over a limit between 2025-10-01 and 2026-09-30 (Copper, total [as Cu]: 1; Iron, total [as Fe]: 1; pH: 1). 9 are past the expiry date EPA's file holds; 0 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.","narrow":{"over_limit":"https://passage-data.com/api/v1/permits?state=CT&sic=4911&over_limit=true","parameter":{"Copper, total [as Cu]":"https://passage-data.com/api/v1/permits?state=CT&sic=4911&parameter=Copper%2C+total+%5Bas+Cu%5D","Iron, total [as Fe]":"https://passage-data.com/api/v1/permits?state=CT&sic=4911&parameter=Iron%2C+total+%5Bas+Fe%5D","pH":"https://passage-data.com/api/v1/permits?state=CT&sic=4911&parameter=pH","Solids, total suspended":"https://passage-data.com/api/v1/permits?state=CT&sic=4911&parameter=Solids%2C+total+suspended"},"renewal_expired":"https://passage-data.com/api/v1/permits?state=CT&sic=4911&renewal=expired"}},"permits":[{"permit":"CT0030180","name":"BRIDGEPORT ENERGY LLC","major":true,"sic":"4911","industry":"Electric Services","record":{"over":0,"over_by":[],"missing":0},"expires":"2010-12-29","renewal":{"status":"permit_expired","application_due":"2010-07-02"},"page":"https://passage-data.com/dmr/p/CT0030180","json":"https://passage-data.com/api/v1/permits/CT0030180"},{"permit":"CT0003778","name":"BRIDGEPORT HARBOR 1-4 LLC","major":true,"sic":"4911","industry":"Electric Services","record":{"over":0,"over_by":[],"missing":0},"expires":"2004-03-17","renewal":{"status":"permit_expired","application_due":"2003-09-19"},"page":"https://passage-data.com/dmr/p/CT0003778","json":"https://passage-data.com/api/v1/permits/CT0003778"},{"permit":"CT0003107","name":"DEVON POWER LLC c/o EASTERN GENERATION LLC","major":true,"sic":"4911","industry":"Electric Services","record":{"over":0,"over_by":[],"missing":0},"expires":"2017-02-28","renewal":{"status":"permit_expired","application_due":"2016-09-01"},"page":"https://passage-data.com/dmr/p/CT0003107","json":"https://passage-data.com/api/v1/permits/CT0003107"},{"permit":"CT0030228","name":"FIRSTLIGHT CT HOUSATONIC LLC","major":false,"sic":"4911","industry":"Electric Services","record":{"over":1,"over_by":[["pH",1]],"missing":0},"expires":"2015-08-31","renewal":{"status":"permit_expired","application_due":"2015-03-04"},"page":"https://passage-data.com/dmr/p/CT0030228","json":"https://passage-data.com/api/v1/permits/CT0030228"},{"permit":"CT0030287","name":"FIRSTLIGHT CT HOUSATONIC LLC","major":false,"sic":"4911","industry":"Electric Services","record":{"over":2,"over_by":[["Copper, total [as Cu]",2]],"missing":0},"expires":"2030-12-31","renewal":null,"page":"https://passage-data.com/dmr/p/CT0030287","json":"https://passage-data.com/api/v1/permits/CT0030287"},{"permit":"CT0030806","name":"FIRSTLIGHT CT HOUSATONIC LLC","major":false,"sic":"4911","industry":"Electric Services","record":{"over":0,"over_by":[],"missing":0},"expires":"2028-11-01","renewal":null,"page":"https://passage-data.com/dmr/p/CT0030806","json":"https://passage-data.com/api/v1/permits/CT0030806"},{"permit":"CT0003760","name":"GB II CT LLC","major":true,"sic":"4911","industry":"Electric Services","record":{"over":0,"over_by":[],"missing":0},"expires":"2011-01-03","renewal":{"status":"permit_expired","application_due":"2010-07-07"},"page":"https://passage-data.com/dmr/p/CT0003760","json":"https://passage-data.com/api/v1/permits/CT0003760"},{"permit":"CT0030473","name":"LEIDOS RENEWABLE ENERGY, LLC","major":false,"sic":"4911","industry":"Electric Services","record":{"over":1,"over_by":[["Solids, total suspended",1]],"missing":0},"expires":"2031-02-28","renewal":null,"page":"https://passage-data.com/dmr/p/CT0030473","json":"https://passage-data.com/api/v1/permits/CT0030473"},{"permit":"CT0003883","name":"MIDDLETOWN POWER LLC c/o EASTERN GENERATION LLC","major":true,"sic":"4911","industry":"Electric Services","record":{"over":1,"over_by":[["Iron, total [as Fe]",1]],"missing":0},"expires":"2006-03-18","renewal":{"status":"permit_expired","application_due":"2005-09-19"},"page":"https://passage-data.com/dmr/p/CT0003883","json":"https://passage-data.com/api/v1/permits/CT0003883"},{"permit":"CT0003263","name":"MILLSTONE POWER STATION","major":true,"sic":"4911","industry":"Electric Services","record":{"over":0,"over_by":[],"missing":2},"expires":"2015-08-31","renewal":{"status":"permit_expired","application_due":"2015-03-04"},"page":"https://passage-data.com/dmr/p/CT0003263","json":"https://passage-data.com/api/v1/permits/CT0003263"},{"permit":"CT0003875","name":"MIRA DISSOLUTION AUTHORITY","major":true,"sic":"4911","industry":"Electric Services","record":{"over":0,"over_by":[],"missing":0},"expires":"2009-11-16","renewal":{"status":"permit_expired","application_due":"2009-05-20"},"page":"https://passage-data.com/dmr/p/CT0003875","json":"https://passage-data.com/api/v1/permits/CT0003875"},{"permit":"CT0003115","name":"MONTVILLE POWER LLC c/o EASTERN GENERATION LLC","major":true,"sic":"4911","industry":"Electric Services","record":{"over":0,"over_by":[],"missing":0},"expires":"2006-02-27","renewal":{"status":"permit_expired","application_due":"2005-08-31"},"page":"https://passage-data.com/dmr/p/CT0003115","json":"https://passage-data.com/api/v1/permits/CT0003115"}]}