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Of the 15 permits in EPA's SIC 28 in AR, 8 went over a limit between 2025-10-01 and 2026-09-30 (Nitrogen, ammonia total [as N]: 2; Aluminum, total [as Al]: 1; BOD, carbonaceous [5 day, 20 C]: 1). 6 are past the expiry date EPA's file holds; 2 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.
All Arkansas permitsAll states
| Facility | Last 12 months | Permit |
|---|---|---|
| EL DORADO CHEMICAL COMPANY AR0000752 · major · Nitrogenous Fertilizers | Over a limit 79×: Nitrogen, ammonia total [as N] (33×), Nitrogen, nitrate total [as N] (24×), BOD, carbonaceous [5 day, 20 C] (6×) | Permit past the expiry date EPA's file holds |
| GREAT LAKES CHEMICAL CORPORATION-SOUTH AR0000680 · Industrial Inorganic Chemicals | Over a limit 3×: Lead, total recoverable (3×) | Permit past the expiry date EPA's file holds |
| Helena Industries, Inc. AR0022756 · Agricultural Chemicals | Over a limit 3×: Oxygen demand, chem. [low level] [COD] (1×), Whole Effluent Toxicity [WET] - P. promelas (1×), Whole Effluent Toxicity [WET] - D. pulex (1×) | Expires Jan 31, 2029 |
| ALMATIS, INC. AR0050270 · Industrial Inorganic Chemicals | Over a limit 2×: Aluminum, total [as Al] (2×) | Permit past the expiry date EPA's file holds |
| Frit Industries, Inc. AR0036668 · Fertilizers, Mixing Only | Over a limit 2×: Whole Effluent Toxicity [WET] - C. dubia (2×) | Renewal application overdue |
| Lanxess Corporation - Central Plant AR0001171 · major · Industrial Inorganic Chemicals | Over a limit 2×: pH (2×) | Expires Jun 30, 2029 |
| Airgas USA, LLC AR0046663 · Industrial Gases | Over a limit 1×: Oil & Grease (1×) | Expires Jan 31, 2031 |
| Halliburton Energy Services, Inc. - Magnet Cove Plant AR0052345 · Chemical Preparations | Over a limit 1×: Nitrogen, ammonia total [as N] (1×) | Expires Nov 30, 2030 |
| Albermarle Corporation - South Plant AR0038857 · Industrial Inorganic Chemicals | No value over a limit | Expires Dec 31, 2029 |
| Albermarle Corporation - West Plant AR0047635 · Industrial Inorganic Chemicals | No value over a limit | Renewal application due Apr 3, 2027 |
| BASF Corporation AR0037770 · major · Industrial Organic Chemicals | No value over a limit; 15 required values not reported | Permit past the expiry date EPA's file holds |
| ENERGY SECURITY PARTNERS, LLC AR0053066 · major · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| FUTUREFUEL CHEMICAL COMPANY AR0035386 · major · Cyclic Crudes And Intermediates | No value over a limit | Permit past the expiry date EPA's file holds |
| LANXESS Corporation - West Plant AR0043516 · Industrial Inorganic Chemicals | No value over a limit | Expires Jun 30, 2029 |
| The Scoular Company AR0052027 · Nitrogenous Fertilizers | No value over a limit | Expires Feb 28, 2030 |
The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.
For programs and AI agents: this screen as JSON at /api/v1/permits?state=AR&sic=28, narrowed with &over_limit=true, ¶meter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt
From EPA's ECHO data, not the permit document itself: your permit is the final word. All states