{"state":"MP","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MP","listed":"individual NPDES permits with limits in EPA's file; a general permit's coverages are not listed"},"filter":{"industry":null,"sic":null,"matched_on":"EPA's primary SIC code and its description","over_limit":null,"parameter":null,"renewal":null,"upcoming":null,"facility_type":null,"min_flow_mgd":null},"of":4,"without_industry":0,"matched":4,"offset":0,"returned":4,"screen":{"of":4,"window":["2025-10-01","2026-09-30"],"with_record":4,"without_record":0,"over_limit":4,"missing_values":3,"parameters_over":[{"parameter":"Enterococci","permits":3},{"parameter":"Copper, total recoverable","permits":2},{"parameter":"pH","permits":2},{"parameter":"Cyanide, total [as CN]","permits":1},{"parameter":"Solids, settleable","permits":1}],"renewal":{"permit_expired":0,"application_overdue":0,"application_due_within_18_months":2},"upcoming":0,"upcoming_above_today":0,"says":"Of the 4 permits listed in MP, 4 went over a limit between 2025-10-01 and 2026-09-30 (Enterococci: 3; Copper, total recoverable: 2; pH: 2). 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 2026-10-22.","narrow":{"over_limit":"https://passage-data.com/api/v1/permits?state=MP&over_limit=true","parameter":{"Enterococci":"https://passage-data.com/api/v1/permits?state=MP&parameter=Enterococci","Copper, total recoverable":"https://passage-data.com/api/v1/permits?state=MP&parameter=Copper%2C+total+recoverable","pH":"https://passage-data.com/api/v1/permits?state=MP&parameter=pH","Cyanide, total [as CN]":"https://passage-data.com/api/v1/permits?state=MP&parameter=Cyanide%2C+total+%5Bas+CN%5D","Solids, settleable":"https://passage-data.com/api/v1/permits?state=MP&parameter=Solids%2C+settleable"},"renewal_due":"https://passage-data.com/api/v1/permits?state=MP&renewal=due"}},"permits":[{"permit":"MP0020010","name":"COMMONWEALTH UTILITIES CORP","major":true,"sic":"4952","industry":"Sewerage Systems","record":{"over":13,"over_by":[["Enterococci",12],["Solids, settleable",1]],"missing":0},"expires":"2028-07-31","renewal":{"status":"application_due_within_18_months","application_due":"2028-02-02"},"design_flow_mgd":"4.8","facility_type":"POTW","upcoming":[],"page":"https://passage-data.com/dmr/p/MP0020010","json":"https://passage-data.com/api/v1/permits/MP0020010"},{"permit":"MP0020028","name":"COMMONWEALTH UTILITIES CORP","major":true,"sic":"4952","industry":"Sewerage Systems","record":{"over":1,"over_by":[["Enterococci",1]],"missing":27},"expires":"2028-07-31","renewal":{"status":"application_due_within_18_months","application_due":"2028-02-02"},"design_flow_mgd":"3","facility_type":"POTW","upcoming":[],"page":"https://passage-data.com/dmr/p/MP0020028","json":"https://passage-data.com/api/v1/permits/MP0020028"},{"permit":"MP0020371","name":"Commonwealth of Northern Mariana Islands - Department of Public Lands","major":false,"sic":"4952","industry":"Sewerage Systems","record":{"over":16,"over_by":[["pH",5],["Copper, total recoverable",5],["Cyanide, total [as CN]",4]],"missing":126},"expires":"2030-08-31","renewal":null,"design_flow_mgd":".005","facility_type":"POTW","upcoming":[],"page":"https://passage-data.com/dmr/p/MP0020371","json":"https://passage-data.com/api/v1/permits/MP0020371"},{"permit":"MP0020397","name":"Mobil Oil Mariana Islands, Inc","major":false,"sic":"1389","industry":"Oil And Gas Field Services","record":{"over":4,"over_by":[["Enterococci",2],["pH",1],["Copper, total recoverable",1]],"missing":5},"expires":"2030-10-31","renewal":null,"design_flow_mgd":".01","facility_type":"NON-POTW","upcoming":[],"page":"https://passage-data.com/dmr/p/MP0020397","json":"https://passage-data.com/api/v1/permits/MP0020397"}]}