{"state":"WY","as_of":"2026-10-15","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-15","page":"/dmr/p/WY","listed":"individual NPDES permits with limits in EPA's file; a general permit's coverages are not listed"},"filter":{"industry":null,"sic":"12","matched_on":"EPA's primary SIC code and its description","over_limit":null,"parameter":null,"renewal":null},"of":441,"without_industry":86,"matched":15,"offset":0,"returned":15,"screen":{"of":15,"window":["2025-10-01","2026-09-30"],"with_record":14,"without_record":1,"over_limit":1,"missing_values":1,"parameters_over":[{"parameter":"Solids, total suspended","permits":1}],"renewal":{"permit_expired":1,"application_overdue":1,"application_due_within_18_months":4},"says":"Of the 15 permits in EPA's SIC 12 in WY, 1 went over a limit between 2025-10-01 and 2026-09-30 (Solids, total suspended: 1); 1 has no reports in EPA's file for that window. 1 is past the expiry date EPA's file holds; 5 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=WY&sic=12&over_limit=true","parameter":{"Solids, total suspended":"https://passage-data.com/api/v1/permits?state=WY&sic=12&parameter=Solids%2C+total+suspended"},"renewal_expired":"https://passage-data.com/api/v1/permits?state=WY&sic=12&renewal=expired","renewal_due":"https://passage-data.com/api/v1/permits?state=WY&sic=12&renewal=due"}},"permits":[{"permit":"WY0030350","name":"Bridger Coal Company","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2030-04-30","renewal":null,"page":"https://passage-data.com/dmr/p/WY0030350","json":"https://passage-data.com/api/v1/permits/WY0030350"},{"permit":"WY0028479","name":"Buckskin Mining Company","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2030-07-31","renewal":null,"page":"https://passage-data.com/dmr/p/WY0028479","json":"https://passage-data.com/api/v1/permits/WY0028479"},{"permit":"WY0003514","name":"Eagle Specialty Materials, LLC","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2028-03-31","renewal":{"status":"application_due_within_18_months","application_due":"2027-10-03"},"page":"https://passage-data.com/dmr/p/WY0003514","json":"https://passage-data.com/api/v1/permits/WY0003514"},{"permit":"WY0026018","name":"Eagle Specialty Materials, LLC","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2028-12-31","renewal":null,"page":"https://passage-data.com/dmr/p/WY0026018","json":"https://passage-data.com/api/v1/permits/WY0026018"},{"permit":"WY0000051","name":"Kemmerer Operations, LLC","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":1},"expires":"2030-12-31","renewal":null,"page":"https://passage-data.com/dmr/p/WY0000051","json":"https://passage-data.com/api/v1/permits/WY0000051"},{"permit":"WY0023761","name":"Navajo Transitional Energy Company, LLC","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2031-03-31","renewal":null,"page":"https://passage-data.com/dmr/p/WY0023761","json":"https://passage-data.com/api/v1/permits/WY0023761"},{"permit":"WY0030198","name":"Navajo Transitional Energy Company, LLC","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2026-12-31","renewal":{"status":"application_overdue","application_due":"2026-07-04"},"page":"https://passage-data.com/dmr/p/WY0030198","json":"https://passage-data.com/api/v1/permits/WY0030198"},{"permit":"WY0024031","name":"Peabody Caballo Mining, LLC","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":1,"over_by":[["Solids, total suspended",1]],"missing":0},"expires":"2028-12-31","renewal":null,"page":"https://passage-data.com/dmr/p/WY0024031","json":"https://passage-data.com/api/v1/permits/WY0024031"},{"permit":"WY0025755","name":"Peabody Caballo Mining, LLC","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2028-06-30","renewal":{"status":"application_due_within_18_months","application_due":"2028-01-02"},"page":"https://passage-data.com/dmr/p/WY0025755","json":"https://passage-data.com/api/v1/permits/WY0025755"},{"permit":"WY0028177","name":"Peabody Powder River Mining, LLC","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2028-12-31","renewal":null,"page":"https://passage-data.com/dmr/p/WY0028177","json":"https://passage-data.com/api/v1/permits/WY0028177"},{"permit":"WY0030317","name":"Spring Gulch Coal Company","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":null,"expires":"2024-09-30","renewal":{"status":"permit_expired","application_due":"2024-04-03"},"page":"https://passage-data.com/dmr/p/WY0030317","json":"https://passage-data.com/api/v1/permits/WY0030317"},{"permit":"WY0024091","name":"Thunder Basin Coal Company, LLC","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2030-05-31","renewal":null,"page":"https://passage-data.com/dmr/p/WY0024091","json":"https://passage-data.com/api/v1/permits/WY0024091"},{"permit":"WY0028193","name":"Thunder Basin Coal Company, LLC","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2030-05-31","renewal":null,"page":"https://passage-data.com/dmr/p/WY0028193","json":"https://passage-data.com/api/v1/permits/WY0028193"},{"permit":"WY0032964","name":"Western Fuels-Wyoming, Inc.","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2027-04-30","renewal":{"status":"application_due_within_18_months","application_due":"2026-11-01"},"page":"https://passage-data.com/dmr/p/WY0032964","json":"https://passage-data.com/api/v1/permits/WY0032964"},{"permit":"WY0001261","name":"Wyodak Resources Development Corporation","major":false,"sic":"1221","industry":"Bituminous Coal And Lignite - Surface","record":{"over":0,"over_by":[],"missing":0},"expires":"2027-07-31","renewal":{"status":"application_due_within_18_months","application_due":"2027-02-01"},"page":"https://passage-data.com/dmr/p/WY0001261","json":"https://passage-data.com/api/v1/permits/WY0001261"}]}