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Of the 23 permits in EPA's SIC 28 in MS, 5 went over a limit between 2025-10-01 and 2026-09-30 (BOD, 5-day, 20 deg. C: 2; Solids, total suspended: 2; pH: 1). 5 are past the expiry date EPA's file holds; 3 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.
All Mississippi permitsAll states
| Facility | Last 12 months | Permit |
|---|---|---|
| CALGON CARBON CORPORATION MS0046515 · Industrial Inorganic Chemicals | Over a limit 9×: Solids, total suspended (9×) | Expires Oct 31, 2030 |
| AIRGAS CARBONIC INC, STAR PLANT MS0060542 · Industrial Gases | Over a limit 4×: BOD, 5-day, 20 deg. C (4×) | Permit past the expiry date EPA's file holds |
| ADAMS COUNTY WWTF MS0000213 · Industrial Organic Chemicals | Over a limit 2×: BOD, 5-day, 20 deg. C (2×) | Expires Jun 30, 2029 |
| NOURYON PULP AND PERFORMANCE CHEMICALS LLC MS0040215 · major · Industrial Inorganic Chemicals | Over a limit 1×: pH (1×) | Expires Dec 31, 2030 |
| POLYCHEMIE INC MS0054127 · Chemical Preparations | Over a limit 1×: Solids, total suspended (1×) | Expires Dec 31, 2028 |
| AIRGAS USA LLC DBA AIRGAS DRY ICE MS0062570 · Industrial Gases | No value over a limit | Expires May 31, 2030 |
| Alpek Polyester Mississippi Inc MS0052485 · Plastics Materials And Resins | No value over a limit | Permit past the expiry date EPA's file holds |
| Ambit Chemical Technologies MS0034878 · Chemical Preparations | No value over a limit; 38 required values not reported | Expires Feb 28, 2031 |
| Ambit Chemicial Technologies MSP092477 · Chemical Preparations | No value over a limit | Expires Apr 30, 2030 |
| BASTECH LLC MS0046639 · Chemical Preparations | No value over a limit; 5 required values not reported | Expires Feb 28, 2030 |
| BAXTER HEALTHCARE CORPORATION MS0000833 · major · Pharmaceutical Preparations | No value over a limit | Expires Aug 31, 2031 |
| CF INDUSTRIES NITROGEN LLC MS0000574 · major · Nitrogenous Fertilizers | No value over a limit | Expires Nov 30, 2029 |
| CHEMOURS COMPANY FC LLC, THE DELISLE PLANT MS0027294 · major · Inorganic Pigments | No value over a limit | Permit past the expiry date EPA's file holds |
| DELTA PROTEIN INTERNATIONAL INC MS0039667 · Chemical Preparations | No value over a limit | Renewal application overdue |
| DREXEL CHEMICAL COMPANY MS0037621 · Agricultural Chemicals | No value over a limit | Expires Feb 28, 2031 |
| G2O TECHNOLOGIES LLC MS0048097 · Plastics Materials And Resins | No value over a limit | Expires May 31, 2030 |
| GCP LABORATORIES INC MS0002020 · Pharmaceutical Preparations | No value over a limit | Renewal application due Sep 2, 2027 |
| GEORGIA PACIFIC MONTICELLO LLC MS0002941 · major · Gum And Wood Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| KINGSFORD MANUFACTURING CO MS0059790 · Gum And Wood Chemicals | No value over a limit | Expires Apr 30, 2030 |
| LINDE INC MS0048089 · Industrial Gases | No value over a limit | Renewal application overdue |
| MISSISSIPPI PHOSPHATES CORPORATION MS0003115 · major · Phosphatic Fertilizers | No value over a limit; 1398 required values not reported | Permit past the expiry date EPA's file holds |
| PLASKOLITE SOUTH LLC MS0042137 · Plastics Materials And Resins | No value over a limit | Expires Apr 30, 2030 |
| TRONOX LLC, HAMILTON FACILITY MS0002232 · major · Inorganic Pigments | No value over a limit | Expires Nov 30, 2029 |
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=MS&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