{"permit":"OK0045331","name":"Roland Utility Authority","state":"OK","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/OK0045331"},"about":[{"label":"What it is","text":"Water Supply (EPA's industry listing)"},{"label":"Where","text":"Roland, Oklahoma","href":"https://www.openstreetmap.org/?mlat=35.440952&mlon=-94.516995#map=14/35.440952/-94.516995"},{"label":"Last 12 months","text":"Over a limit 3 times, last in August 2026 (Manganese, dissolved [as Mn]). 4 of 11 reports filed late"},{"label":"Permit","text":"In force until Oct 31, 2027"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-05-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/OK0045331#renewal","says":"Each limit a renewal could tighten or add, from the state's water-quality standards and the federal rules for this kind of discharge, each cited to its rule, beside EPA's 12-month record; a rule we do not hold is named, never guessed. A person orders it on the permit's page with their email; it is sent by email within 5 business days."},"sector":{"state":"OK","sic":"4941","permits":49,"list":"https://passage-data.com/api/v1/permits?state=OK&sic=4941","page":"https://passage-data.com/dmr/s/OK/4941"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":3,"over_by":[["Manganese, dissolved [as Mn]",3]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Manganese, dissolved [as Mn]","times":3,"find_limits":{"parameter":"manganese","place":"US-OK","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=manganese&place=US-OK&medium=surface_water"}],"limits":[{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"20","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"23.35","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Iron, dissolved [as Fe]","parameter_code":"01046","statistic":"monthly average","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Iron, dissolved [as Fe]","parameter_code":"01046","statistic":"daily maximum","qualifier":"<=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Iron, dissolved [as Fe]","parameter_code":"01046","statistic":"monthly average","qualifier":"<=","value":"1.17","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Manganese, dissolved [as Mn]","parameter_code":"01056","statistic":"monthly average","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Manganese, dissolved [as Mn]","parameter_code":"01056","statistic":"daily maximum","qualifier":"<=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Manganese, dissolved [as Mn]","parameter_code":"01056","statistic":"monthly average","qualifier":"<=","value":"1.17","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Aluminum, dissolved [as Al]","parameter_code":"01106","statistic":"monthly average","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Aluminum, dissolved [as Al]","parameter_code":"01106","statistic":"daily maximum","qualifier":"<=","value":"2","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Aluminum, dissolved [as Al]","parameter_code":"01106","statistic":"monthly average","qualifier":"<=","value":"1.17","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Filter backwash"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Filter backwash"}],"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":"OK","sic":"4941"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=OK&sic=4941","url":"https://passage-data.com/api/v1/permits?state=OK&sic=4941","page":"https://passage-data.com/dmr/s/OK/4941"},{"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":"manganese","place":"US-OK","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=manganese&place=US-OK&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=manganese&place=US-OK&medium=surface_water","page":"https://passage-data.com/limits/US-OK/manganese"},{"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":"OK0045331"},"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=OK0045331"},{"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":"OK0045331"},"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=OK0045331"}]}