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Of the 4 permits in EPA's SIC 28 in ND, 1 went over a limit between 2025-10-01 and 2026-09-30 (Chlorine, total residual: 1). 0 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 North Dakota permitsAll states
| Facility | Last 12 months | Permit |
|---|---|---|
| Guardian Energy Hankinson ND0026310 · Industrial Organic Chemicals | Over a limit 6×: Chlorine, total residual (6×) | Renewal application due Apr 3, 2028 |
| AIC Energy Corp dba SAFuels X Sustainable Aviation ND0027031 · Industrial Organic Chemicals | No value over a limit; 100 required values not reported | Renewal application due Oct 3, 2027 |
| Cerilon GTL ND Inc. ND0027090 · Industrial Organic Chemicals | No value over a limit | Expires Dec 31, 2029 |
| Net-Zero Richardton, LLC ND0026271 · Industrial Organic Chemicals | No value over a limit; 4 required values not reported | Expires Sep 30, 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=ND&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