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Praxair Inc - Marietta Facility

Industrial Gases, Marietta, Ohio. NPDES permit OH0099252, in force until Aug 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Renewal application due
Mar 4, 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 8 reports late

Limits in force (12)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUMar, Jun, Aug, Dec001
pHdaily maximum≤ 9 SUMar, Jun, Aug, Dec001
Solids, total suspendedmonthly average≤ 30 mg/LMar, Jun, Aug, Dec001
Solids, total suspendeddaily maximum≤ 45 mg/LMar, Jun, Aug, Dec001
Solids, total suspendedmonthly average≤ 2.7 kg/dMar, Jun, Aug, Dec001
Solids, total suspendeddaily maximum≤ 4.1 kg/dMar, Jun, Aug, Dec001
Oil and grease [soxhlet extr.] tot.daily maximum≤ 10 mg/LMar, Jun, Aug, Dec001
Oil and grease [soxhlet extr.] tot.daily maximum≤ .91 kg/dMar, Jun, Aug, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Mar, Jun, Aug, Dec001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Mar, Jun, Aug, Dec001
Solids, total suspendedmonthly averagereport only (mg/L)Mar, Jun, Aug, Dec800
Solids, total suspendeddaily maximumreport only (mg/L)Mar, Jun, Aug, Dec800

How strict are these limits?

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

Same industry: the 68 Chemicals and Allied Products permits in Ohio.

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0099252 · MCP: https://passage-data.com/mcp