Occidental Chemical Corporation

NPDES permit MI0003026 · Major NON-POTW · effective, expires 2026-10-01 · 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: 2026-07-31.

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MI permits in EPA's filings — check your permit).

Limits in force (48)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 12 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 14 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedDAILY MX <= 22 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedDAILY MX <= 28 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedMO AVG <= 3800 lb/qtr May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 3800 lb/qtr Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedDAILY MX <= 6300 lb/qtr May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedDAILY MX <= 6300 lb/qtr Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 10.8 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG <= 4.9 mg/L May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 17.2 mg/L Jan, Feb, Mar, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX report only Apr
001Nitrogen, ammonia total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 3600 lb/qtr Apr
001Nitrogen, ammonia total [as N]MO AVG <= 1600 lb/qtr May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 5700 lb/qtr Jan, Feb, Mar, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 3300 lb/qtr Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX report only Apr
001Nitrogen, ammonia total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Oct, Nov
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Chloride [as Cl]MO AVG <= 75000 lb/qtr all year
001Chloride [as Cl]DAILY MX <= 150000 lb/qtr all year
001Sulfate, total [as SO4]DAILY MX report only 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
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 dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolvedMO AVG <= 485000 lb/qtr all year
001Solids, total dissolvedDAILY MX <= 970000 lb/qtr all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Outfall observation,visual, y/n responseVALUE 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