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

Magellan Aerospace Middletown, Inc

Aircraft Engines And Engine Parts, Middletown, Ohio. NPDES permit OH0009156, in force until Dec 31, 2030. Last 12 months: over a limit 4 times (last August 2026), 198 required values missing, 11 of 19 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (26 values), outfall 601 form A monthly (18 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 6 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
May 2026Oxygen, dissolved [DO], daily minimum.4≥ 5 mg/L92%
May 2026Oxygen, dissolved [DO], daily minimum.4≥ 5 mg/L92%
July 2026Silver total recoverable, monthly average3.5≤ 1.3 ug/L169%
August 2026pH, daily minimum6.34≥ 6.5 SU—

Limits in force (68)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nickel, total recoverablemonthly average≤ 110 ug/Lall year001
Nickel, total recoverabledaily maximum≤ 960 ug/Lall year001
Silver total recoverablemonthly average≤ 1.3 ug/Lall year001
Silver total recoverabledaily maximum≤ 6.9 ug/Lall year001
Zinc, total recoverablemonthly average≤ 250 ug/Lall year001
Zinc, total recoverabledaily maximum≤ 250 ug/Lall year001
Cadmium, total recoverablemonthly average≤ 4.8 ug/Lall year001
Cadmium, total recoverabledaily maximum≤ 12 ug/Lall year001
Lead, total recoverablemonthly average≤ 19 ug/Lall year001
Lead, total recoverabledaily maximum≤ 360 ug/Lall year001
Chromium, total recoverablemonthly average≤ 170 ug/Lall year001
Chromium, total recoverabledaily maximum≤ 3600 ug/Lall year001
Copper, total recoverablemonthly average≤ 19 ug/Lall year001
Copper, total recoverabledaily maximum≤ 31 ug/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Cyanide, free availablemonthly average≤ 12 ug/Lall year001
Cyanide, free availabledaily maximum≤ 46 ug/Lall year001
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 31 mg/Lall year601
Solids, total suspendeddaily maximum≤ 60 mg/Lall year601
Solids, total suspendedmonthly average≤ 2.3 kg/dall year601
Solids, total suspendeddaily maximum≤ 4.5 kg/dall year601
Oil and grease, hexane extr methodmonthly average≤ 26 mg/Lall year601
Oil and grease, hexane extr methoddaily maximum≤ 52 mg/Lall year601
Oil and grease, hexane extr methodmonthly average≤ 1.9 kg/dall year601
Oil and grease, hexane extr methoddaily maximum≤ 3.9 kg/dall year601
Cyanide, total [as CN]monthly average≤ .64 mg/Lall year601
Cyanide, total [as CN]daily maximum≤ 1.18 mg/Lall year601
Cyanide, total [as CN]monthly average≤ .048 kg/dall year601
Cyanide, total [as CN]daily maximum≤ .088 kg/dall year601
Nickel, total recoverablemonthly average≤ 2.38 ug/Lall year601
Nickel, total recoverabledaily maximum≤ 3.98 ug/Lall year601
Nickel, total recoverablemonthly average≤ .00018 kg/dall year601
Nickel, total recoverabledaily maximum≤ .0003 kg/dall year601
Silver total recoverablemonthly average≤ .24 ug/Lall year601
Silver total recoverabledaily maximum≤ .43 ug/Lall year601
Silver total recoverablemonthly average≤ .000018 kg/dall year601
Silver total recoverabledaily maximum≤ .000032 kg/dall year601
Zinc, total recoverablemonthly average≤ 1.48 ug/Lall year601
Zinc, total recoverabledaily maximum≤ 2.61 ug/Lall year601
Zinc, total recoverablemonthly average≤ .00011 kg/dall year601
Zinc, total recoverabledaily maximum≤ .0002 kg/dall year601
Cadmium, total recoverablemonthly average≤ .26 ug/Lall year601
Cadmium, total recoverabledaily maximum≤ .69 ug/Lall year601
Cadmium, total recoverablemonthly average≤ .000019 kg/dall year601
Cadmium, total recoverabledaily maximum≤ .000052 kg/dall year601
Lead, total recoverablemonthly average≤ .43 ug/Lall year601
Lead, total recoverabledaily maximum≤ .69 ug/Lall year601
Lead, total recoverablemonthly average≤ .000032 kg/dall year601
Lead, total recoverabledaily maximum≤ .000052 kg/dall year601
Chromium, total recoverablemonthly average≤ 1.71 ug/Lall year601
Chromium, total recoverabledaily maximum≤ 2.77 ug/Lall year601
Chromium, total recoverablemonthly average≤ .00013 kg/dall year601
Chromium, total recoverabledaily maximum≤ .00021 kg/dall year601
Copper, total recoverablemonthly average≤ 2.04 ug/Lall year601
Copper, total recoverabledaily maximum≤ 3.33 ug/Lall year601
Copper, total recoverablemonthly average≤ .00015 kg/dall year601
Copper, total recoverabledaily maximum≤ .00025 kg/dall year601
Organics, total toxic [TTO]daily maximum≤ 2.1 ug/LSep601
Organics, total toxic [TTO]daily maximum≤ .00016 kg/dSep601

How strict are these limits?

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

Same industry: the 27 Transportation 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/OH0009156 · MCP: https://passage-data.com/mcp