Norfolk Southern Railway Co

NPDES permit OH0001503 · Minor NON-POTW · effective, expires 2027-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
4required values missing, on 1 form(s)
0of 34 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (2).

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (27)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Oil and grease [soxhlet extr.] tot.DAILY MX <= 10 mg/L Mar, Jun, Aug, Dec
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Oil and grease [soxhlet extr.] tot.DAILY MX <= 10 mg/L Mar, Jun, Aug, Dec
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
588Sludge waste from secondary clarifiersMO AVG report only Dec
588Sludge waste from secondary clarifiersDAILY MX report only Dec
601Flow rateMO AVG report only all year
601Flow rateDAILY MX report only all year
601Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
601Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L all year
601Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L all year
601Turbidity [severity]MO AVG report only all year
601Turbidity [severity]DAILY MX report only all year
601E. coli, MTEC-MFMO GEOMN report only May, Jun, Jul, Aug, Sep, Oct
601E. coli, MTEC-MFDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
601BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
601BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states