{"permit":"IA0084221","name":"WORTH COUNTY","state":"IA","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/IA0084221"},"about":[{"label":"What it is","text":"Coin-Operated Amusement Devices (EPA's industry listing)"},{"label":"Where","text":"Northwood, Iowa","href":"https://www.openstreetmap.org/?mlat=43.44286&mlon=-93.36487#map=14/43.44286/-93.36487"},{"label":"Last 12 months","text":"Over a limit once, last in August 2026 (Nitrogen, nitrate total [as N]). 1 of 11 reports filed late"},{"label":"Permit","text":"In force until Aug 31, 2031"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"IA","sic":"79","permits":11,"list":"https://passage-data.com/api/v1/permits?state=IA&sic=79","page":"https://passage-data.com/dmr/s/IA/79"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["Nitrogen, nitrate total [as N]",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Nitrogen, nitrate total [as N]","times":1,"find_limits":{"parameter":"nitrate nitrite","place":"US-IA","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=nitrate+nitrite&place=US-IA&medium=surface_water"}],"upcoming":[{"parameter":"Chloride [as Cl]","outfall":"001","limit":452,"unit":"mg/L","statistic":"30-day average","statistic_code":"3C","begin":"2031-08-01","kind":"new","now":null},{"parameter":"Chloride [as Cl]","outfall":"001","limit":443,"unit":"lb/d","statistic":"30-day average","statistic_code":"3C","begin":"2031-08-01","kind":"new","now":null},{"parameter":"Chloride [as Cl]","outfall":"001","limit":648,"unit":"lb/d","statistic":"daily maximum","statistic_code":"DD","begin":"2031-08-01","kind":"new","now":null},{"parameter":"Chloride [as Cl]","outfall":"001","limit":640,"unit":"mg/L","statistic":"daily maximum","statistic_code":"DD","begin":"2031-08-01","kind":"new","now":null}],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily minimum","qualifier":">=","value":"4.5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":"<=","value":"30","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"46","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"5.8","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"6.5","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"3.8","unit":"mg/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"4.4","unit":"mg/L","report_only":false,"enforceable":true,"months":["DEC"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.5","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"5.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"2.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.2","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.6","unit":"mg/L","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"2.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"14.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"14.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"16","unit":"mg/L","report_only":false,"enforceable":true,"months":["DEC"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"9.9","unit":"mg/L","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15.2","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"14.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"11.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"5.4","unit":"lb/d","report_only":false,"enforceable":true,"months":["JAN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"6.3","unit":"lb/d","report_only":false,"enforceable":true,"months":["FEB"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"3.7","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"3.9","unit":"lb/d","report_only":false,"enforceable":true,"months":["DEC"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.1","unit":"lb/d","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.5","unit":"lb/d","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"2","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"5","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"2.5","unit":"lb/d","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.2","unit":"lb/d","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.6","unit":"lb/d","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"2.3","unit":"lb/d","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15.5","unit":"lb/d","report_only":false,"enforceable":true,"months":["JAN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"14.5","unit":"lb/d","report_only":false,"enforceable":true,"months":["FEB"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"16.3","unit":"lb/d","report_only":false,"enforceable":true,"months":["DEC"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"9.5","unit":"lb/d","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.2","unit":"lb/d","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15.5","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15.9","unit":"lb/d","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"9.7","unit":"lb/d","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"11.2","unit":"lb/d","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"16","unit":"lb/d","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"30-day average","qualifier":"<=","value":"14.9","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"daily maximum","qualifier":"<=","value":"18.2","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"geometric mean","qualifier":"<=","value":"126","unit":"#/100mL","report_only":false,"enforceable":true,"months":["MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"30-day average","qualifier":"<=","value":"25","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"7-day average","qualifier":"<=","value":"40","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"30-day average","qualifier":"<=","value":"25","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"7-day average","qualifier":"<=","value":"41","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"}],"next":[{"tool":"list_permits","says":"Screening this industry? list_permits lists every permit of it in this state in one call, each with its page and its get_permit address; `get` is the address to fetch.","arguments":{"state":"IA","sic":"79"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=IA&sic=79","url":"https://passage-data.com/api/v1/permits?state=IA&sic=79","page":"https://passage-data.com/dmr/s/IA/79"},{"tool":"find_limits","says":"What do the rules say about what it went over on? find_limits gives the cited state and federal limits for it, each with its rule; `get` is the address to fetch, and `over_limits` holds one for each parameter.","arguments":{"parameter":"nitrate nitrite","place":"US-IA","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=nitrate+nitrite&place=US-IA&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=nitrate+nitrite&place=US-IA&medium=surface_water","page":"https://passage-data.com/limits/US-IA/nitrate-nitrite"},{"tool":"check_dmr","says":"Before your user files this permit's DMR: check_dmr sets each value beside the permit's limit for that period, with EPA's violation rule's verdict.","arguments":{"permit":"IA0084221"},"needs":{"period_end":"The reporting period: its month (2026-09).","values":"The period's values as your user will file them: [{outfall, parameter, statistic, value, unit}, ...]."},"post":"/api/v1/dmr/check","url":"https://passage-data.com/api/v1/dmr/check","page":"https://passage-data.com/dmr/?permit=IA0084221"},{"tool":"fill_dmr","says":"Has your user the plant's raw daily results? fill_dmr computes the period's DMR values from them, each with the rows it came from.","arguments":{"permit":"IA0084221"},"needs":{"period_end":"The reporting period: its month (2026-09).","rows":"The plant's results: [{date, parameter, value, unit, point}, ...]; or `table`, the lab's or plant's export as text."},"post":"/api/v1/dmr/fill","url":"https://passage-data.com/api/v1/dmr/fill","page":"https://passage-data.com/dmr/?permit=IA0084221"}]}