Seward Corrosion Control Plant

NPDES permit NE0134252 · Minor NON-POTW · effective, expires 2029-09-30 · 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 11 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among NE permits in EPA's filings — check your permit).

Limits in force (30)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001ConductivityMO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
001ConductivityMO AVG <= 5021 umho/cm Apr, May, Jun, Jul, Aug, Sep
001ConductivityDAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
001ConductivityDAILY MX <= 9053 umho/cm Apr, May, Jun, Jul, Aug, Sep
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Arsenic, dissolved [as As]MO AVG <= .057 mg/L Mar, Apr, May
001Arsenic, dissolved [as As]MO AVG <= .042 mg/L Jun, Jul, Aug, Sep, Oct
001Arsenic, dissolved [as As]MO AVG <= .057 mg/L Jan, Feb, Nov, Dec
001Arsenic, dissolved [as As]DAILY MX <= .069 mg/L Mar, Apr, May
001Arsenic, dissolved [as As]DAILY MX <= .051 mg/L Jun, Jul, Aug, Sep, Oct
001Arsenic, dissolved [as As]DAILY MX <= .115 mg/L Jan, Feb, Nov, Dec
001Arsenic, dissolved [as As]MO AVG <= .032 kg/d Mar, Apr, May
001Arsenic, dissolved [as As]MO AVG <= .037 kg/d Jun, Jul, Aug, Sep, Oct
001Arsenic, dissolved [as As]MO AVG <= .027 kg/d Jan, Feb, Nov, Dec
001Arsenic, dissolved [as As]DAILY MX <= .039 kg/d Mar, Apr, May
001Arsenic, dissolved [as As]DAILY MX <= .046 kg/d Jun, Jul, Aug, Sep, Oct
001Arsenic, dissolved [as As]DAILY MX <= .054 kg/d Jan, Feb, Nov, 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

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