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Chemicals and Allied Products — NPDES discharge permits in Connecticut

Of the 3 permits in EPA's SIC 28 in CT, 2 went over a limit between 2025-10-01 and 2026-09-30 (Formaldehyde: 1; Solids, total suspended: 1; Temp. diff. between samp. & upstrm deg. F: 1). 0 are past the expiry date EPA's file holds; 0 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
ALLNEX USA INCORPORATED
CT0000086 · major · Plastics Materials And Resins
Over a limit 7×: Formaldehyde (4×), Solids, total suspended (3×)Expires Dec 31, 2029
PFIZER INC
CT0000957 · Pharmaceutical Preparations
Over a limit 2×: Temperature, water deg. fahrenheit (1×), Temp. diff. between samp. & upstrm deg. F (1×)Expires Apr 30, 2031
KING INDUSTRIES *
CT0000841 · Industrial Organic Chemicals
No value over a limit; 8 required values not reportedExpires Jul 31, 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=CT&sic=28, 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