{"permit":"IA0070033","name":"VAN DIEST SUPPLY COMPANY","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/IA0070033"},"about":[{"label":"What it is","text":"Agricultural Chemicals (EPA's industry listing)"},{"label":"Where","text":"Webster City, Iowa","href":"https://www.openstreetmap.org/?mlat=42.46807&mlon=-93.88962#map=14/42.46807/-93.88962"},{"label":"Last 12 months","text":"Over a limit once, last in April 2026 (Phenols). 15 required values not reported. 1 of 11 reports filed late"},{"label":"Permit","text":"In force until Sep 30, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"IA","sic":"28","permits":57,"list":"https://passage-data.com/api/v1/permits?state=IA&sic=28","page":"https://passage-data.com/dmr/s/IA/28"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["Phenols",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Phenols","times":1,"find_limits":{"parameter":"phenols","place":"US-IA","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=phenols&place=US-IA&medium=surface_water"}],"upcoming":[{"parameter":"E. coli","outfall":"002","limit":428,"unit":"#/100mL","statistic":"geometric mean","statistic_code":"GA","begin":"2029-09-01","kind":"new","months":["MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV"],"now":null},{"parameter":"Glyphosate, total","outfall":"002","limit":271,"unit":"mg/L","statistic":"30-day 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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":"28"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=IA&sic=28","url":"https://passage-data.com/api/v1/permits?state=IA&sic=28","page":"https://passage-data.com/dmr/s/IA/28"},{"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":"phenols","place":"US-IA","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=phenols&place=US-IA&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=phenols&place=US-IA&medium=surface_water","page":"https://passage-data.com/limits/US-IA/phenols"},{"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":"IA0070033"},"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=IA0070033"},{"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":"IA0070033"},"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=IA0070033"}]}