Passage Data · Check a report · Use it from your AI

Regeneration Materials

Crushed And Broken Limestone, Dundee, Ohio. NPDES permit OH0094536, in force until Mar 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 20 days after each period: form A monthly (2 values)
Renewal application due: Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (7)

Parameter	Statistic	Limit	Months
Flow rate	monthly average	report only (gal/d)	all year
Flow rate	daily maximum	report only (gal/d)	all year
pH	daily minimum	≥ 6.5 SU	Mar, Jun, Aug, Dec
pH	daily maximum	≤ 9 SU	Mar, Jun, Aug, Dec
Solids, total suspended	monthly average	≤ 30 mg/L	Mar, Jun, Aug, Dec
Solids, total suspended	daily maximum	≤ 45 mg/L	Mar, Jun, Aug, Dec
Oil and grease, hexane extr method	daily maximum	≤ 10 mg/L	Mar, Jun, Aug, Dec

How strict are these limits?

Solids, total suspended, daily maximum 45 mg/L — stricter than 16% of 559 other minor industrial and other permits in Ohio; 66% have the same limit

Cited limits by parameter: Ohio's rules and the federal ones.

Same industry: the 131 Mining and Quarrying of Nonmetallic Minerals permits in Ohio.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0094536 · MCP: https://passage-data.com/mcp