Gem City Chemicals, Incorporated

NPDES permit OH0108987 · Minor NON-POTW · effective, expires 2030-01-31 · 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 22 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (44)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001TolueneMO AVG <= 5 ug/L all year
001TolueneDAILY MX <= 10 ug/L all year
001TolueneMO AVG <= .00818 kg/d all year
001TolueneDAILY MX <= .0164 kg/d all year
001TetrachloroethyleneMO AVG <= 5 ug/L all year
001TetrachloroethyleneDAILY MX <= 10 ug/L all year
001TetrachloroethyleneMO AVG <= .00818 kg/d all year
001TetrachloroethyleneDAILY MX <= .0164 kg/d all year
0011,1,2-TrichloroethaneMO AVG <= 5 ug/L all year
0011,1,2-TrichloroethaneDAILY MX <= 10 ug/L all year
0011,1,2-TrichloroethaneMO AVG <= .00818 kg/d all year
0011,1,2-TrichloroethaneDAILY MX <= .0164 kg/d all year
001TrichloroethyleneMO AVG <= 5 ug/L all year
001TrichloroethyleneDAILY MX <= 10 ug/L all year
001TrichloroethyleneMO AVG <= .00818 kg/d all year
001TrichloroethyleneDAILY MX <= .0164 kg/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Solids, total dissolved- 180 deg. CMO AVG report only all year
001Solids, total dissolved- 180 deg. CDAILY MX report only all year
001cis-1,2-DichloroethyleneMO AVG <= 5 ug/L all year
001cis-1,2-DichloroethyleneDAILY MX <= 10 ug/L all year
001cis-1,2-DichloroethyleneMO AVG <= .00818 kg/d all year
001cis-1,2-DichloroethyleneDAILY MX <= .0164 kg/d all year
002Flow rateMO AVG report only all year
002Flow rateDAILY MX report only all year
002pHDAILY MN >= 6.5 SU Mar, Jun, Aug, Dec
002pHDAILY MX <= 9 SU Mar, Jun, Aug, Dec
002Residue, tot fltrble [dried at 105 C]MO AVG report only Mar, Jun, Aug, Dec
002Residue, tot fltrble [dried at 105 C]DAILY MX report only Mar, Jun, Aug, Dec
002Solids, total suspendedMO AVG report only Mar, Jun, Aug, Dec
002Solids, total suspendedDAILY MX report only Mar, Jun, Aug, Dec
002Oil and grease [soxhlet extr.] tot.MO AVG report only Mar, Jun, Aug, Dec
002Oil and grease [soxhlet extr.] tot.DAILY MX report only Mar, Jun, Aug, Dec
002Nitrogen, ammonia total [as N]MO AVG report only Mar, Jun, Aug, Dec
002Nitrogen, ammonia total [as N]DAILY MX report only Mar, Jun, Aug, Dec
002Nitrite + Nitrate total [as N]MO AVG report only Mar, Jun, Aug, Dec
002Nitrite + Nitrate total [as N]DAILY MX report only Mar, Jun, Aug, Dec
002Phosphorus, total [as P]MO AVG report only Mar, Jun, Aug, Dec
002Phosphorus, total [as P]DAILY MX report only Mar, Jun, Aug, Dec
002Aluminum, total recoverableMO AVG report only Mar, Jun, Aug, Dec
002Aluminum, total recoverableDAILY MX report only Mar, Jun, Aug, Dec

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