{"permit":"AR0020273","name":"Siloam Springs, City of","state":"AR","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/AR0020273"},"about":[{"label":"What it is","text":"Sewage treatment plant · rated a major discharger by EPA"},{"label":"Where","text":"Siloam Springs, Arkansas","href":"https://www.openstreetmap.org/?mlat=36.192917&mlon=-94.563167#map=14/36.192917/-94.563167"},{"label":"Last 12 months","text":"Over a limit 10 times, last in August 2026 (Nitrogen, ammonia total [as N]; Phosphorus, total [as P]; Oxygen, dissolved [DO]). 23 required values not reported. 1 of 20 reports filed late"},{"label":"Permit","text":"In force until Sep 30, 2031"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":10,"over_by":[["Nitrogen, ammonia total [as N]",7],["Phosphorus, total [as P]",2],["Oxygen, dissolved 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