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The Chemours Company FC LLC

Industrial Inorganic Chemicals, major discharger, Niagara Falls, New York. NPDES permit NY0003328 expired Dec 31, 2019; its limits still apply. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 01E form M monthly (16 values), outfall 01E form Q quarterly (1 value), outfall 01W form M monthly (16 values), outfall 01W form Q quarterly (1 value), outfall SUM form 1 monthly (14 values), outfall 004 form S twice a year, and 6 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 14 required values missing, 21 of 58 reports late

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

Period endingParameterReportedLimitOver by
June 2026Mercury, total [as Hg], daily maximum428 ng/L≤ 200 ng/L114%

Limits in force (71)

ParameterStatisticLimitMonthsOutfall
Mercury, total [as Hg]daily maximum≤ 200 ng/Lall year004
Temperature, water deg. fahrenheitminimumreport only (deg F)all year01E
Temperature, water deg. fahrenheitmaximum≤ 90 deg Fall year01E
Oxygen demand, chem. [low level] [COD]monthly averagereport only (mg/L)all year01E
Oxygen demand, chem. [low level] [COD]daily maximumreport only (mg/L)all year01E
pHminimum≥ 6 SUall year01E
pHmaximum≤ 9 SUall year01E
Solids, total suspendedmonthly averagereport only (mg/L)all year01E
Solids, total suspendeddaily maximumreport only (mg/L)all year01E
Oil & Greasemonthly averagereport only (mg/L)all year01E
Oil & Greasedaily maximum≤ 15 mg/Lall year01E
Total phenolsdaily maximumreport only (mg/L)all year01E
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01E
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01E
Chlorine, total residualdaily maximum≤ .5 mg/Lall year01E
Solids, total dissolvedmonthly averagereport only (mg/L)all year01E
Solids, total dissolveddaily maximumreport only (mg/L)all year01E
Mercury, total [as Hg]daily maximum≤ 70 ng/Lall year01E
Temperature, water deg. fahrenheitminimumreport only (deg F)all year01W
Temperature, water deg. fahrenheitmaximum≤ 90 deg Fall year01W
Oxygen demand, chem. [low level] [COD]monthly averagereport only (mg/L)all year01W
Oxygen demand, chem. [low level] [COD]daily maximumreport only (mg/L)all year01W
pHminimum≥ 6 SUall year01W
pHmaximum≤ 9 SUall year01W
Solids, total suspendedmonthly averagereport only (mg/L)all year01W
Solids, total suspendeddaily maximumreport only (mg/L)all year01W
Oil & Greasemonthly averagereport only (mg/L)all year01W
Oil & Greasedaily maximum≤ 15 mg/Lall year01W
Total phenolsdaily maximumreport only (mg/L)all year01W
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01W
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01W
Chlorine, total residualdaily maximum≤ .5 mg/Lall year01W
Solids, total dissolvedmonthly averagereport only (mg/L)all year01W
Solids, total dissolveddaily maximumreport only (mg/L)all year01W
Mercury, total [as Hg]daily maximum≤ 70 ng/Lall year01W
Mercury, total [as Hg]daily maximum≤ 200 ng/Lall year101
Mercury, total [as Hg]daily maximum≤ 200 ng/Lall year103
Mercury, total [as Hg]daily maximum≤ 200 ng/Lall year104
Mercury, total [as Hg]daily maximum≤ 200 ng/Lall year106
Oxygen demand, chem. [low level] [COD]monthly averagereport only (lb/d)all yearSUM
Oxygen demand, chem. [low level] [COD]daily maximumreport only (lb/d)all yearSUM
Solids, total suspendedmonthly averagereport only (lb/d)all yearSUM
Solids, total suspendeddaily maximumreport only (lb/d)all yearSUM
Cyanide, total [as CN]daily maximum≤ .05 lb/d (alert, not enforceable)all yearSUM
Barium, total [as Ba]monthly average≤ 50 lb/dall yearSUM
Barium, total [as Ba]daily maximum≤ 100 lb/dall yearSUM
Cadmium, total [as Cd]daily maximum≤ .02 lb/d (alert, not enforceable)all yearSUM
Chromium, total [as Cr]daily maximum≤ .5 lb/d (alert, not enforceable)all yearSUM
Chromium, total [as Cr]daily maximum≤ .25 lb/d (alert, not enforceable)all yearSUM
Copper, total [as Cu]daily maximum≤ 1 lb/d (alert, not enforceable)all yearSUM
Lead, total [as Pb]daily maximum≤ .5 lb/d (alert, not enforceable)all yearSUM
Lead, total [as Pb]daily maximum≤ 1 lb/d (alert, not enforceable)all yearSUM
Thallium, total [as Tl]daily maximum≤ .1 lb/d (alert, not enforceable)all yearSUM
Nickel, total [as Ni]daily maximum≤ 2.5 lb/d (alert, not enforceable)all yearSUM
Nickel, total [as Ni]daily maximum≤ 2 lb/d (alert, not enforceable)all yearSUM
Zinc, total [as Zn]monthly averagereport only (lb/d)all yearSUM
Zinc, total [as Zn]daily maximum≤ 18 lb/dall yearSUM
Zinc, total [as Zn]daily maximum≤ 2 lb/d (alert, not enforceable)all yearSUM
Antimony, total [as Sb]daily maximum≤ .3 lb/d (alert, not enforceable)all yearSUM
Total phenolsmonthly average≤ 2 lb/dall yearSUM
Total phenolsdaily maximumreport only (lb/d)all yearSUM
Total phenolsdaily maximum≤ .2 lb/dall yearSUM
Chloroformmonthly average≤ 9.5 lb/dall yearSUM
Chloroformdaily maximumreport only (lb/d)all yearSUM
Methylene chloridedaily maximum≤ .5 lb/d (alert, not enforceable)all yearSUM
Tetrachloroethylenedaily maximum≤ .1 lb/d (alert, not enforceable)all yearSUM
1,1,2,2-Tetrachloroethanedaily maximum≤ .5 lb/d (alert, not enforceable)all yearSUM
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .1 lb/d (alert, not enforceable)all yearSUM
Trichloroethylenedaily maximum≤ 1 lb/d (alert, not enforceable)all yearSUM
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearSUM
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearSUM

How strict are these limits?

Cited limits by parameter: New York's rules and the federal ones.

Same industry: the 31 Chemicals and Allied Products permits in New York.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0003328 · MCP: https://passage-data.com/mcp