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Archroma US Inc

Cyclic Crudes And Intermediates, major discharger, Martin, South Carolina. NPDES permit SC0042803 expired Sep 30, 2022; its limits still apply. Last 12 months: over a limit 7 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form 1 monthly (5 values), outfall 001 form 2 yearly (2 values), outfall 001 form 3 quarterly (2 values), outfall 01A form 1 monthly (2 values), outfall T1M form 1 monthly (18 values), outfall T1M form 2 monthly (18 values), and 4 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 1 of 68 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
April 2026Solids, total suspended, monthly average791.03≤ 470 lb/d68%
May 2026Solids, total suspended, daily maximum2898.23≤ 1495 lb/d94%
May 2026Solids, total suspended, monthly average2059.06≤ 470 lb/d338%
July 2026BOD, 5-day, 20 deg. C, daily maximum1183.25≤ 981 lb/d21%
July 2026BOD, 5-day, 20 deg. C, monthly average794.56≤ 369 lb/d115%
August 2026BOD, 5-day, 20 deg. C, monthly average516.27≤ 369 lb/d40%
August 2026Solids, total suspended, monthly average649.36≤ 470 lb/d38%

Limits in force (98)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 98 deg Fall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total [as Hg]monthly average≤ .05 ug/Lall year001
Mercury, total [as Hg]daily maximum≤ .11 ug/Lall year001
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly averagereport only (%)all year001
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximumreport only (%)all year001
E. coli30-day geometric mean≤ 126 MPN/100mLall year01A
E. colidaily maximum≤ 349 MPN/100mLall year01A
Oxygen demand, ultimatemonthly average≤ 4073 lb/dMar–OctT1M
Oxygen demand, ultimatemonthly average≤ 11200 lb/dJan, Feb, Nov, DecT1M
Oxygen demand, ultimatemonthly average≤ 11200 lb/dJan, Feb, Nov, DecT1M
Oxygen demand, ultimatemonthly average≤ 4073 lb/dMar–OctT1M
Oxygen demand, ultimatemonthly average≤ 4073 lb/dMar–OctT1M
Oxygen demand, ultimatemonthly average≤ 11200 lb/dJan, Feb, Nov, DecT1M
Oxygen demand, ultimatedaily maximum≤ 8146 lb/dMar–OctT1M
Oxygen demand, ultimatedaily maximum≤ 22400 lb/dJan, Feb, Nov, DecT1M
Oxygen demand, ultimatedaily maximum≤ 22400 lb/dJan, Feb, Nov, DecT1M
Oxygen demand, ultimatedaily maximum≤ 8146 lb/dMar–OctT1M
Oxygen demand, ultimatedaily maximum≤ 8146 lb/dMar–OctT1M
Oxygen demand, ultimatedaily maximum≤ 22400 lb/dJan, Feb, Nov, DecT1M
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearT1M
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearT1M
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearT1M
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all yearT1M
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all yearT1M
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all yearT1M
BOD, 5-day, 20 deg. Cmonthly average≤ 369 lb/dall yearT1M
BOD, 5-day, 20 deg. Cmonthly average≤ 459 lb/dall yearT1M
BOD, 5-day, 20 deg. Cmonthly average≤ 572 lb/dall yearT1M
BOD, 5-day, 20 deg. Cdaily maximum≤ 981 lb/dall yearT1M
BOD, 5-day, 20 deg. Cdaily maximum≤ 1222 lb/dall yearT1M
BOD, 5-day, 20 deg. Cdaily maximum≤ 1522 lb/dall yearT1M
pHinstantaneous minimumreport only (SU)all yearT1M
pHinstantaneous minimumreport only (SU)all yearT1M
pHinstantaneous minimumreport only (SU)all yearT1M
pHinstantaneous maximumreport only (SU)all yearT1M
pHinstantaneous maximumreport only (SU)all yearT1M
pHinstantaneous maximumreport only (SU)all yearT1M
Solids, total suspendedmonthly averagereport only (mg/L)all yearT1M
Solids, total suspendedmonthly averagereport only (mg/L)all yearT1M
Solids, total suspendedmonthly averagereport only (mg/L)all yearT1M
Solids, total suspendeddaily maximumreport only (mg/L)all yearT1M
Solids, total suspendeddaily maximumreport only (mg/L)all yearT1M
Solids, total suspendeddaily maximumreport only (mg/L)all yearT1M
Solids, total suspendedmonthly average≤ 584 lb/dall yearT1M
Solids, total suspendedmonthly average≤ 470 lb/dall yearT1M
Solids, total suspendedmonthly average≤ 712.3 lb/dall yearT1M
Solids, total suspendeddaily maximum≤ 1861 lb/dall yearT1M
Solids, total suspendeddaily maximum≤ 1495 lb/dall yearT1M
Solids, total suspendeddaily maximum≤ 2291.4 lb/dall yearT1M
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearT1M
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearT1M
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearT1M
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearT1M
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearT1M
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearT1M
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearT1M
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearT1M
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearT1M
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearT1M
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearT1M
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearT1M
Length of longest pH excursioninstantaneous maximum≤ 60 minall yearT1M
Length of longest pH excursioninstantaneous maximum≤ 60 minall yearT1M
Length of longest pH excursioninstantaneous maximum≤ 60 minall yearT1M
% of time exceeding pH limitsinstantaneous maximum≤ 1 %all yearT1M
% of time exceeding pH limitsinstantaneous maximum≤ 1 %all yearT1M
% of time exceeding pH limitsinstantaneous maximum≤ 1 %all yearT1M
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all yearT1Y
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all yearT1Y
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all yearT1Y
1,2,4-Trichlorobenzenemonthly average≤ .068 mg/Lall yearT1Y
1,2,4-Trichlorobenzenemonthly average≤ .068 mg/Lall yearT1Y
1,2,4-Trichlorobenzenemonthly average≤ .068 mg/Lall yearT1Y
1,2,4-Trichlorobenzenedaily maximum≤ .14 mg/Lall yearT1Y
1,2,4-Trichlorobenzenedaily maximum≤ .14 mg/Lall yearT1Y
1,2,4-Trichlorobenzenedaily maximum≤ .14 mg/Lall yearT1Y
1,2,4-Trichlorobenzenemonthly average≤ .851 lb/dall yearT1Y
1,2,4-Trichlorobenzenemonthly average≤ .55 lb/dall yearT1Y
1,2,4-Trichlorobenzenemonthly average≤ .687 lb/dall yearT1Y
1,2,4-Trichlorobenzenedaily maximum≤ 1.752 lb/dall yearT1Y
1,2,4-Trichlorobenzenedaily maximum≤ 1.133 lb/dall yearT1Y
1,2,4-Trichlorobenzenedaily maximum≤ 1.414 lb/dall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .103 mg/Lall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .103 mg/Lall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .103 mg/Lall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .279 mg/Lall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .279 mg/Lall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .279 mg/Lall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .834 lb/dall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 1.04 lb/dall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 1.289 lb/dall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 2.258 lb/dall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 2.817 lb/dall yearT1Y
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 3.492 lb/dall yearT1Y

How strict are these limits?

Cited limits by parameter: South Carolina's rules and the federal ones.

Same industry: the 24 Chemicals and Allied Products permits in South Carolina.

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Your permit document is the final word. As JSON: /api/v1/permits/SC0042803 · MCP: https://passage-data.com/mcp