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Building Materials and Garden Supplies Retail — NPDES discharge permits in Ohio

Of the 3 permits in EPA's SIC 52 in OH, 1 went over a limit between 2025-10-01 and 2026-09-30 (Nitrogen, ammonia total [as N]: 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
Site One Landscaping Supply
OH0149543 · Retail Nurseries And Garden Stores
Over a limit 2×: Nitrogen, ammonia total [as N] (2×)Expires Feb 28, 2030
Columbiana ACE Hardware
OH0149322 · Hardware Stores
No value over a limitExpires Oct 31, 2029
Keim Lumber Co.
OH0136999 · Lumber And Other Building Materials
No value over a limitExpires May 31, 2031

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=OH&sic=52, 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