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Primary Metal Industries — NPDES discharge permits in Missouri

Of the 5 permits in EPA's SIC 33 in MO, 1 went over a limit between 2025-10-01 and 2026-09-30 (Toxicity [acute], Ceriodaphnia dubia: 1; Toxicity [acute], Pimephales promelas [Fathead Minnow]: 1). 4 are past the expiry date EPA's file holds; 1 has a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
Doe Run Resources Corp
MO0000337 · major · Secondary Nonferrous Metals
Over a limit 4×: Toxicity [acute], Ceriodaphnia dubia (2×), Toxicity [acute], Pimephales promelas [Fathead Minnow] (2×)Permit past the expiry date EPA's file holds
Forest City Facility LLC
MO0101702 · major · Secondary Nonferrous Metals
No value over a limitPermit past the expiry date EPA's file holds
Magnitude 7 Metals LLC
MO0105732 · major · Primary Aluminum
No value over a limitPermit past the expiry date EPA's file holds
Prysmian Cables and Systems USA, LLC
MO0004286 · Nonferrous Wiredrawing & Insulating
No value over a limitPermit past the expiry date EPA's file holds
The Doe Run Resources Corporation
MO0000281 · major · Primary Nonferrous Metals
No value over a limitRenewal application due Mar 4, 2027

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=MO&sic=33, narrowed with &over_limit=true, &parameter=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