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Of the 56 permits in EPA's SIC 28 in IA, 22 went over a limit between 2025-10-01 and 2026-09-30 (Chlorine, total residual: 8; Iron, total [as Fe]: 5; Nitrogen, ammonia total [as N]: 3). 16 are past the expiry date EPA's file holds; 15 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.
| Facility | Last 12 months | Permit |
|---|---|---|
| PLYMOUTH ENERGY, LLC IA0081248 · Industrial Organic Chemicals | Over a limit 28×: Chlorine, total residual (28×) | Renewal application overdue |
| GREEN VALLEY CHEMICAL CORPORATION IA0003964 · Nitrogenous Fertilizers | Over a limit 8×: Solids, total suspended (8×) | Permit past the expiry date EPA's file holds |
| POET BIOREFINING IA0078051 · Industrial Organic Chemicals | Over a limit 7×: Flow, in conduit or thru treatment plant (3×), Iron, total [as Fe] (2×), Chlorine, total residual (1×) | Renewal application overdue |
| POET BIOREFINING - CORNING IA0080063 · Industrial Organic Chemicals | Over a limit 7×: Nitrogen, ammonia total [as N] (4×), Solids, total suspended (3×) | Expires Jul 31, 2029 |
| POET BIOREFINING - MENLO, LLC IA0081311 · Industrial Organic Chemicals | Over a limit 6×: Chlorine, total residual (6×) | Permit past the expiry date EPA's file holds |
| LINCOLNWAY ENERGY, LLC IA0079375 · Industrial Organic Chemicals | Over a limit 4×: Chlorine, total residual (4×) | Permit past the expiry date EPA's file holds |
| SOUTHWEST IOWA RENEWABLE ENERGY IA0081043 · Industrial Organic Chemicals | Over a limit 4×: Solids, total suspended (4×) | Permit past the expiry date EPA's file holds |
| ARGENTA GLOBAL IA0071366 · Pharmaceutical Preparations | Over a limit 3×: pH (2×), Chlorine, total residual (1×) | Renewal application due Oct 3, 2027 |
| AXALTA COATING SYSTEMS, LLC IA0003514 · Paints And Allied Products | Over a limit 3×: Iron, total [as Fe] (3×) | Permit past the expiry date EPA's file holds |
| GREEN PLAINS INC. IA0081281 · Industrial Organic Chemicals | Over a limit 2×: Iron, total [as Fe] (2×) | Expires Apr 30, 2029 |
| KOCH FERTILIZER WEVER, LLC IA0052166 · major · Nitrogenous Fertilizers | Over a limit 2×: Toxicity [acute], Ceriodaphnia dubia (1×), pH (1×) | Permit past the expiry date EPA's file holds |
| THE ANDERSONS RENEWABLES, LLC IA0079456 · Industrial Organic Chemicals | Over a limit 2×: Chlorine, total residual (2×) | Renewal application due Apr 3, 2027 |
| BIG RIVER RESOURCES, LLC IA0078123 · Industrial Organic Chemicals | Over a limit 1×: Chloride [as Cl] (1×) | Expires Jul 31, 2030 |
| CORN, LP IA0079545 · Industrial Organic Chemicals | Over a limit 1×: Chlorine, total residual (1×) | Renewal application due Mar 4, 2027 |
| CRYOTECH DEICING TECHNOLOGY IA0003387 · Chemical Preparations | Over a limit 1×: Temperature, water deg. fahrenheit (1×) | Expires Apr 30, 2031 |
| JIM GILLINGHAM IA0079227 · Industrial Organic Chemicals | Over a limit 1×: Iron, total [as Fe] (1×) | Permit past the expiry date EPA's file holds |
| LOUIS DREYFUS COMPANY, LLC IA0082066 · Industrial Organic Chemicals | Over a limit 1×: Nitrogen, ammonia total [as N] (1×) | Expires Aug 31, 2029 |
| POET BIOREFINING - COON RAPIDS, LLC IA0077003 · Industrial Organic Chemicals | Over a limit 1×: Chlorine, total residual (1×) | Expires Dec 31, 2030 |
| THE SCOTTS COMPANY IA0001171 · Agricultural Chemicals | Over a limit 1×: pH (1×) | Expires Feb 28, 2031 |
| VALERO RENEWABLE FUELS COMPANY, D/B/A VALERO LAKOTA PLANT IA0077194 · Industrial Organic Chemicals | Over a limit 1×: Nitrogen, ammonia total [as N] (1×) | Expires Jul 31, 2030 |
| VAN DIEST SUPPLY COMPANY IA0070033 · Agricultural Chemicals | Over a limit 1×: Phenols (1×) | Expires Sep 30, 2029 |
| WESTERN IOWA ENERGY, LLC IA0079855 · Industrial Organic Chemicals | Over a limit 1×: Iron, total [as Fe] (1×) | Expires Aug 31, 2029 |
| ABSOLUTE ENERGY IA0080896 · Industrial Organic Chemicals | No value over a limit | Expires Nov 30, 2029 |
| AG PROCESSING, INC. IA0081116 · Industrial Organic Chemicals | No value over a limit | Renewal application overdue |
| AJINOMOTO HEALTH & NUTRITION NORTH AMERICA, INC. IA0065692 · Industrial Organic Chemicals | No value over a limit | Renewal application due Jul 4, 2027 |
| BAYER PRODUCTION SUPPLY LLC IA0065927 · Agricultural Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| BIG RIVER RESOURCES, LLC IA0081302 · Industrial Organic Chemicals | No value over a limit | Expires Feb 28, 2031 |
| CAMBREX CHARLES CITY, INC. IA0003557 · major · Medicinals And Botanicals | No value over a limit | Renewal application due Dec 3, 2027 |
| CF INDUSTRIES NITROGEN, LLC IA0004014 · major · Nitrogenous Fertilizers | No value over a limit | Renewal application overdue |
| CROSS ROADS LAND DEVELOPMENT, LLC IA0003522 · Nitrogenous Fertilizers | No value over a limit; 4 required values not reported | Expires Aug 31, 2031 |
| ELANCO FORT DODGE IA0070661 · Pharmaceutical Preparations | No value over a limit | Expires Sep 30, 2029 |
| ELITE OCTANE, LLC IA0052718 · Industrial Organic Chemicals | No value over a limit | Renewal application due Jan 2, 2028 |
| EQUISTAR CHEMICALS, LP IA0000191 · major · Plastics Materials And Resins | No value over a limit; 2 required values not reported | Expires Jun 30, 2029 |
| HAWKINS, INC. IA0068101 · Industrial Inorganic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| KOCH NITROGEN COMPANY, LLC IA0075591 · Nitrogenous Fertilizers | No value over a limit | Permit past the expiry date EPA's file holds |
| LARCHWOOD 1447 LLC IA0052919 · Biological Products Except Diagnostic | No value over a limit; 250 required values not reported | Permit past the expiry date EPA's file holds |
| LITTLE SIOUX CORN PROCESSORS, LLC IA0077275 · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| PINE LAKE CORN PROCESSORS, L.P. IA0079138 · Industrial Organic Chemicals | No value over a limit | Renewal application due Apr 3, 2027 |
| POET BIOREFINING - ARTHUR, LLC IA0081558 · Industrial Organic Chemicals | No value over a limit | Expires Aug 31, 2029 |
| POET BIOREFINING - EMMETSBURG, LLC IA0078492 · Industrial Organic Chemicals | No value over a limit | Expires Sep 30, 2031 |
| POET BIOREFINING - FAIRBANK, LLC IA0079812 · Industrial Organic Chemicals | No value over a limit | Expires Jul 31, 2031 |
| POET BIOREFINING - GOWRIE IA0079570 · Industrial Organic Chemicals | No value over a limit | Renewal application due May 4, 2027 |
| POET BIOREFINING - HANLONTOWN, LLC IA0078042 · Industrial Organic Chemicals | No value over a limit | Renewal application overdue |
| POET BIOREFINING - IOWA FALLS, LLC IA0078841 · Industrial Organic Chemicals | No value over a limit; 4 required values not reported | Permit past the expiry date EPA's file holds |
| POET BIOREFINING - JEWELL IA0079588 · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| POET BIOREFINING - SHELL ROCK, LLC IA0081272 · Industrial Organic Chemicals | No value over a limit | Expires Dec 31, 2030 |
| REG RALSTON LLC IA0052331 · Industrial Organic Chemicals | No value over a limit | Expires Jul 31, 2031 |
| RELIANT PROCESSING, LTD. IA0077259 · Industrial Gases | No value over a limit; 20 required values not reported | Expires Nov 30, 2029 |
| ROUSSELOT, INC. IA0002984 · Chemical Preparations | No value over a limit | Renewal application due Dec 2, 2026 |
| RUVEON LLC IA0000205 · major · Agricultural Chemicals | No value over a limit | Expires Dec 31, 2028 |
| SIOUXLAND ENERGY COOPERATIVE IA0076791 · Industrial Organic Chemicals | No value over a limit | Expires Jan 31, 2031 |
| THE LAURIDSEN GROUP IA0076953 · Medicinals And Botanicals | No value over a limit | Permit past the expiry date EPA's file holds |
| VALERO RENEWABLE FUELS COMPANY, LLC IA0080209 · Industrial Organic Chemicals | No value over a limit | Expires Mar 31, 2031 |
| VALERO RENEWABLE FUELS COMPANY, LLC IA0080403 · Industrial Organic Chemicals | No value over a limit | Renewal application due Jan 1, 2027 |
| VALERO RENEWABLE FUELS COMPANY, LLC IA0080829 · Industrial Organic Chemicals | No value over a limit | Expires Apr 30, 2029 |
| WESTERN DUBUQUE BIODIESEL, LLC IA0081175 · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
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=IA&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