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Of the 13 permits in EPA's SIC 4941 in CO, 2 went over a limit between 2025-10-01 and 2026-09-30 (LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia: 1; Manganese, dissolved [as Mn]: 1; Static Renewal 7 Day Chronic Ceriodaphnia dubia: 1). 10 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.
All Colorado permitsAll states
| Facility | Last 12 months | Permit |
|---|---|---|
| Wiggins Town of CO0048853 · Water Supply | Over a limit 4×: Static Renewal 7 Day Chronic Ceriodaphnia dubia (3×), Manganese, dissolved [as Mn] (1×) | Permit past the expiry date EPA's file holds |
| Brighton City of CO0046728 · Water Supply | Over a limit 3×: LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia (3×) | Permit past the expiry date EPA's file holds |
| Arapahoe County Water and Wastewater Authority CO0047589 · major · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| Aurora City of CO0049053 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| Colorado Department of Local Affairs CO0048801 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| Frederick Town of CO0049076 · Water Supply | No value over a limit | Expires Aug 31, 2031 |
| Milliken Town of CO0046485 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| Platte River Power Authority CO0048982 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| THE UNITED STATES DEPARTMENT OF INTERIOR NATIONAL PARK SERVICE CO0034622 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| Todd Creek Village Metropolitan District CO0047341 · Water Supply | No value over a limit | Permit past the expiry date EPA's file holds |
| U.S. Dept. of Interior, Bureau of Land Management-Front Range District CO0035017 · Water Supply | No value over a limit; 24 required values not reported | Expires Jun 30, 2030 |
| USFWS - Rocky Mountain Arsenal NWR CO0035009 · Water Supply | No value over a limit | Renewal application due Dec 2, 2026 |
| Wattenberg Improvement Assn CO0046477 · 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=CO&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