{"state":"IL","as_of":"2026-10-15","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-15","page":"/dmr/p/IL","listed":"individual NPDES permits with limits in EPA's file; a general permit's coverages are not listed"},"filter":{"industry":null,"sic":"4939","matched_on":"EPA's primary SIC code and its description","over_limit":null,"parameter":null,"renewal":null},"of":1429,"without_industry":45,"matched":4,"offset":0,"returned":4,"screen":{"of":4,"window":["2025-10-01","2026-09-30"],"with_record":4,"without_record":0,"over_limit":3,"missing_values":2,"parameters_over":[{"parameter":"Nitrogen, ammonia total [as N]","permits":2},{"parameter":"Solids, total suspended","permits":2},{"parameter":"BOD, carbonaceous [5 day, 20 C]","permits":1},{"parameter":"Oxygen, dissolved [DO]","permits":1}],"renewal":{"permit_expired":0,"application_overdue":0,"application_due_within_18_months":2},"says":"Of the 4 permits in EPA's SIC 4939 in IL, 3 went over a limit between 2025-10-01 and 2026-09-30 (Nitrogen, ammonia total [as N]: 2; Solids, total suspended: 2; BOD, carbonaceous [5 day, 20 C]: 1). 0 are past the expiry date EPA's file holds; 2 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=IL&sic=4939&over_limit=true","parameter":{"Nitrogen, ammonia total [as N]":"https://passage-data.com/api/v1/permits?state=IL&sic=4939&parameter=Nitrogen%2C+ammonia+total+%5Bas+N%5D","Solids, total suspended":"https://passage-data.com/api/v1/permits?state=IL&sic=4939&parameter=Solids%2C+total+suspended","BOD, carbonaceous [5 day, 20 C]":"https://passage-data.com/api/v1/permits?state=IL&sic=4939&parameter=BOD%2C+carbonaceous+%5B5+day%2C+20+C%5D","Oxygen, dissolved [DO]":"https://passage-data.com/api/v1/permits?state=IL&sic=4939&parameter=Oxygen%2C+dissolved+%5BDO%5D"},"renewal_due":"https://passage-data.com/api/v1/permits?state=IL&sic=4939&renewal=due"}},"permits":[{"permit":"IL0045527","name":"AQUA ILLINOIS INC","major":false,"sic":"4939","industry":"Combination Utilities","record":{"over":1,"over_by":[["Solids, total suspended",1]],"missing":1},"expires":"2027-07-31","renewal":{"status":"application_due_within_18_months","application_due":"2027-02-01"},"page":"https://passage-data.com/dmr/p/IL0045527","json":"https://passage-data.com/api/v1/permits/IL0045527"},{"permit":"IL0048593","name":"OTTER CREEK LAKE UTILITY DISTRICT","major":false,"sic":"4939","industry":"Combination Utilities","record":{"over":14,"over_by":[["Nitrogen, ammonia total [as N]",9],["Solids, total suspended",3],["Oxygen, dissolved [DO]",2]],"missing":0},"expires":"2028-07-31","renewal":{"status":"application_due_within_18_months","application_due":"2028-02-02"},"page":"https://passage-data.com/dmr/p/IL0048593","json":"https://passage-data.com/api/v1/permits/IL0048593"},{"permit":"IL0052817","name":"STONEWALL UTILITY COMPANY","major":false,"sic":"4939","industry":"Combination Utilities","record":{"over":0,"over_by":[],"missing":49},"expires":"2029-08-31","renewal":null,"page":"https://passage-data.com/dmr/p/IL0052817","json":"https://passage-data.com/api/v1/permits/IL0052817"},{"permit":"IL0071030","name":"STRATFORD WEST ASSOCIATION, INC.","major":false,"sic":"4939","industry":"Combination Utilities","record":{"over":6,"over_by":[["BOD, carbonaceous [5 day, 20 C]",4],["Nitrogen, ammonia total [as N]",2]],"missing":0},"expires":"2030-01-31","renewal":null,"page":"https://passage-data.com/dmr/p/IL0071030","json":"https://passage-data.com/api/v1/permits/IL0071030"}]}