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L. B. Foster Company

Railroad Equipment, Mineral Ridge, Ohio. NPDES permit OH0140724, in force until Apr 30, 2031. Last 12 months: over a limit 2 times (last June 2026), 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 002 form A monthly (8 values), outfall 601 form A monthly (22 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
June 2026Solids, total suspended, monthly average30.5≤ 12 mg/L154%
June 2026Solids, total suspended, weekly maximum30.5≤ 18 mg/L69%

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6.5 SUMar, Jun, Sep, Dec002
pHdaily maximum≤ 9 SUMar, Jun, Sep, Dec002
Solids, total suspendedmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec002
Solids, total suspendeddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec002
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Mar, Jun, Sep, Dec002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Mar, Jun, Sep, Dec002
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec588
Flow ratemonthly averagereport only (gal/d)all year601
Flow ratedaily maximumreport only (gal/d)all year601
Oxygen, dissolved [DO]daily minimum≥ 6 mg/LMar, Jun, Sep, Dec601
pHdaily minimum≥ 6.5 SUMar, Jun, Sep, Dec601
pHdaily maximum≤ 9 SUMar, Jun, Sep, Dec601
Solids, total suspendedmonthly average≤ 12 mg/LMar, Jun, Sep, Dec601
Solids, total suspendedweekly maximum≤ 18 mg/LMar, Jun, Sep, Dec601
Solids, total suspendedmonthly average≤ .046 kg/dMar, Jun, Sep, Dec601
Solids, total suspendedweekly maximum≤ .068 kg/dMar, Jun, Sep, Dec601
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJun, Sep601
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LMar, Dec601
Nitrogen, ammonia total [as N]weekly maximum≤ 1.5 mg/LJun, Sep601
Nitrogen, ammonia total [as N]weekly maximum≤ 4.5 mg/LMar, Dec601
Nitrogen, ammonia total [as N]monthly average≤ .0038 kg/dJun, Sep601
Nitrogen, ammonia total [as N]monthly average≤ .011 kg/dMar, Dec601
Nitrogen, ammonia total [as N]weekly maximum≤ .0057 kg/dJun, Sep601
Nitrogen, ammonia total [as N]weekly maximum≤ .017 kg/dMar, Dec601
Turbidity [severity]monthly averagereport only (severity)all year601
Turbidity [severity]daily maximumreport only (severity)all year601
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLJun, Sep601
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLJun, Sep601
Chlorine, total residualdaily maximum≤ .019 mg/LJun, Sep601
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMar, Jun, Sep, Dec601
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/LMar, Jun, Sep, Dec601
BOD, carbonaceous [5 day, 20 C]monthly average≤ .038 kg/dMar, Jun, Sep, Dec601
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .057 kg/dMar, Jun, Sep, Dec601

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.

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Your permit document is the final word. As JSON: /api/v1/permits/OH0140724 · MCP: https://passage-data.com/mcp