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Of the 18 permits in EPA's SIC 4941 in MO, 3 went over a limit between 2025-10-01 and 2026-09-30 (pH: 2; Solids, total suspended: 1). 13 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 Missouri permitsAll states
| Facility | Last 12 months | Permit |
|---|---|---|
| Anthony Dahl MO0003646 · major · Water Supply | Over a limit 5×: pH (5×) | Expires Mar 31, 2031 |
| PUBLIC WATER SUPPLY DISTRICT NO. 2 MO0099635 · Water Supply | Over a limit 1×: pH (1×) | Expires Jan 31, 2031 |
| St. Charles County PWSD #2 MO0087718 · major · Water Supply | Over a limit 1×: Solids, total suspended (1×) | Expires Jul 31, 2030 |
| American Water Military Services FLW WTP MO0058068 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| BOONVILLE MO0004081 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| COLUMBIA WATER AND LIGHT MO0136034 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| City Utilities of Springfield MO0139891 · Water Supply | No value over a limit | Renewal application due Mar 4, 2027 |
| City of Camdenton MO0124389 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| City of O'Fallon MO0129623 · Water Supply | No value over a limit | Renewal application due Dec 2, 2026 |
| EXCELSIOR SPRINGS MO0110167 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| HANNIBAL BOARD PUB WORKS MO0085391 · Water Supply | No value over a limit; 4 required values not reported | Permit past the expiry date EPA's file holds |
| KANSAS CITY MO0004995 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| LOUISIANA MO0001597 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| MISSOURI AMERICAN WATER CO. MO0003735 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| Missouri American Water MO0003727 · Water Supply | No value over a limit; 2 required values not reported | Permit past the expiry date EPA's file holds |
| Missouri American Water Company MO0004600 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| Missouri-American Water Company MO0101354 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| NORTH KANSAS CITY MO0107956 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
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=4941, 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