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SIC 99 — NPDES discharge permits in Missouri

Of the 9 permits in EPA's SIC 99 in MO, 3 went over a limit between 2025-10-01 and 2026-09-30 (BOD, 5-day, 20 deg. C: 2; Oil and grease [soxhlet extr.] tot.: 2; Solids, total suspended: 2). 1 is past the expiry date EPA's file holds; 4 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
Missouri and Northern Arkansas Railroad
MO0139947 · Nonclassifiable Establishments
Over a limit 101×: Oil and grease [soxhlet extr.] tot. (15×), Oxygen demand, chem. [high level] [COD] (14×), Phosphorus, total [as P] (14×)Renewal application due Mar 4, 2028
Steve Foster
MO0140961 · Nonclassifiable Establishments
Over a limit 28×: BOD, 5-day, 20 deg. C (6×), Solids, total suspended (6×), Oil and grease [soxhlet extr.] tot. (6×)Expires Oct 31, 2030
Wilderness Mountain Lodges, LLC
MO0139939 · Nonclassifiable Establishments
Over a limit 13×: Nitrogen, ammonia total [as N] (6×), Solids, total suspended (4×), BOD, 5-day, 20 deg. C (3×)Renewal application due Mar 4, 2028
CENTRAL MISSOURI SEPTIC SERVICE, INC.
MO0140121 · Nonclassifiable Establishments
No value over a limitRenewal application due Dec 3, 2027
City of Liberty
MO0102172 · Nonclassifiable Establishments
No value over a limitExpires Dec 31, 2028
Front Street Remedial Action Corporation
MO0108472 · major · Nonclassifiable Establishments
No value over a limitPermit past the expiry date EPA's file holds
Hercules LLC
MO0000311 · Nonclassifiable Establishments
No value over a limitExpires May 31, 2030
Jefferson County Public Sewer District
MO0139190 · Nonclassifiable Establishments
No value over a limitRenewal application due Nov 2, 2027
The Villas of Sunset Inn Condominium
MO0140058 · Nonclassifiable Establishments
No value over a limitExpires Nov 30, 2028

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=99, 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