{"permit":"LA0066559","name":"Utilities, Inc. of LA- Arrowwood Regional WWTP","state":"LA","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/LA0066559"},"about":[{"label":"What it is","text":"Sewerage Systems (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Covington, Louisiana","href":"https://www.openstreetmap.org/?mlat=30.420556&mlon=-90.051667#map=14/30.420556/-90.051667"},{"label":"Last 12 months","text":"Over a limit 2 times, last in March 2026 (Whole Effluent Toxicity [WET] - C. dubia). 1 of 32 reports filed late"},{"label":"Permit","text":"In force until Jun 30, 2028"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2028-01-02","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/LA0066559#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":"LA","sic":"4952","permits":438,"list":"https://passage-data.com/api/v1/permits?state=LA&sic=4952"},"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":2,"over_by":[["Whole Effluent Toxicity [WET] - C. dubia",2]],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"upcoming":[{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":7.3,"unit":"mg/L","statistic":"daily maximum","statistic_code":"DD","begin":"2028-07-01","kind":"tighter","now":{"median":0.345,"n":12,"below_detection":2},"times_limit":0.0473},{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":3.1,"unit":"mg/L","statistic":"monthly average","statistic_code":"MK","begin":"2028-07-01","kind":"tighter","now":{"median":0.345,"n":12,"below_detection":2},"times_limit":0.111},{"parameter":"Nitrogen, ammonia total [as 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value beside the permit's limit for that period, with EPA's violation rule's verdict.","arguments":{"permit":"LA0066559"},"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=LA0066559"},{"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":"LA0066559"},"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=LA0066559"}]}