NASA Plum Brook Station

NPDES permit OH0001392 · Minor NON-POTW · effective, expires 2027-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

0values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-07-31.

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 (46)

OutfallParameterStatisticLimitMonths
003Oxygen demand, chem. [low level] [COD]MO AVG report only Mar, Jun, Aug, Dec
003Oxygen demand, chem. [low level] [COD]DAILY MX report only Mar, Jun, Aug, Dec
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG report only Mar, Jun, Aug, Dec
003Solids, total suspendedDAILY MX report only Mar, Jun, Aug, Dec
003Oil and grease [soxhlet extr.] tot.MO AVG report only Mar, Jun, Aug, Dec
003Oil and grease [soxhlet extr.] tot.DAILY MX report only Mar, Jun, Aug, Dec
003Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Aug, Dec
003Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Aug, Dec
003Nickel, total recoverableMO AVG report only Mar, Jun, Aug, Dec
003Nickel, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
003Zinc, total recoverableMO AVG report only Mar, Jun, Aug, Dec
003Zinc, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
003Lead, total recoverableMO AVG report only Mar, Jun, Aug, Dec
003Lead, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
003Chromium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
003Chromium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
003Copper, total recoverableMO AVG report only Mar, Jun, Aug, Dec
003Copper, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
017Color, spectrophoto-metric filterMO AVG report only all year
017Color, spectrophoto-metric filterDAILY MX report only all year
017pHDAILY MN >= 6.5 SU all year
017pHDAILY MX <= 9 SU all year
017Solids, total suspendedMO AVG <= 12 mg/L all year
017Solids, total suspendedDAILY MX <= 18 mg/L all year
017Nitrogen, ammonia total [as N]MO AVG report only all year
017Nitrogen, ammonia total [as N]DAILY MX report only all year
017Flow, in conduit or thru treatment plantMO AVG report only all year
017Flow, in conduit or thru treatment plantDAILY MX report only all year
017Solids, total dissolved- 180 deg. CMO AVG report only all year
017Solids, total dissolved- 180 deg. CDAILY MX report only all year
018Color, spectrophoto-metric filterMO AVG report only all year
018Color, spectrophoto-metric filterDAILY MX report only all year
018pHDAILY MN >= 6.5 SU all year
018pHDAILY MX <= 9 SU all year
018Solids, total suspendedMO AVG <= 12 mg/L all year
018Solids, total suspendedDAILY MX <= 18 mg/L all year
018Nitrogen, ammonia total [as N]MO AVG report only all year
018Nitrogen, ammonia total [as N]DAILY MX report only all year
018Flow, in conduit or thru treatment plantMO AVG report only all year
018Flow, in conduit or thru treatment plantDAILY MX report only all year
018Solids, total dissolved- 180 deg. CMO AVG report only all year
018Solids, total dissolved- 180 deg. CDAILY MX report only 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