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

Graphite Sales

Carbon And Graphite Products, Nova, Ohio. NPDES permit OH0138380, in force until Aug 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 21 days after each period: form A monthly (7 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 28 required values missing, 5 of 12 reports late

Limits in force (7)

Parameter	Statistic	Limit	Months
pH	daily minimum	≥ 6.5 SU	all year
pH	daily maximum	≤ 9 SU	all year
Solids, total suspended	monthly average	report only (mg/L)	all year
Solids, total suspended	daily maximum	report only (mg/L)	all year
Oil and grease [soxhlet extr.] tot.	daily maximum	≤ 10 mg/L	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year

How strict are these limits?

Oil and grease [soxhlet extr.] tot., daily maximum 10 mg/L — stricter than 17% of 124 other minor industrial and other permits in Ohio; 81% have the same limit

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

Same industry: the 10 Electronic and Other Electrical Equipment 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/OH0138380 · MCP: https://passage-data.com/mcp