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

Battelle Memorial Institute

Commercial Physical Research, West Jefferson, Ohio. NPDES permit OH0005461 expired May 31, 2026; its limits still apply. 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 (6 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (8)

Parameter	Statistic	Limit	Months
Temperature, water deg. centigrade	monthly average	≤ 18.3 deg C	Jan, Feb, Mar, Apr, Nov, Dec
Temperature, water deg. centigrade	monthly average	≤ 27.8 deg C	May–Oct
Temperature, water deg. centigrade	daily maximum	≤ 21.1 deg C	Jan, Feb, Mar, Apr, Nov, Dec
Temperature, water deg. centigrade	daily maximum	≤ 29.4 deg C	May–Oct
pH	daily minimum	≥ 6.5 SU	all year
pH	daily maximum	≤ 9 SU	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?

Temperature, water deg. centigrade, daily maximum 21.1 deg C — stricter than 92% of 247 other minor industrial and other permits nationwide
Temperature, water deg. centigrade, monthly average 18.3 deg C — stricter than 69% of 23 other minor industrial and other permits nationwide

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

Same industry: the 6 Engineering, Accounting, Research and Management Services 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/OH0005461 · MCP: https://passage-data.com/mcp