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FMC Corporation

Agricultural Chemicals, major discharger, Middleport, New York. NPDES permit NY0000345 expired Jul 31, 2021; its limits still apply. Last 12 months: over a limit 5 times (last August 2026), 3 of 36 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (14 values), outfall 002 form M monthly (2 values), outfall 01A form M monthly (13 values), outfall 01A form Q quarterly (28 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 40 reports late

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

Period endingOutfallParameterReportedLimitOver by
March 202601APhenolics, total, monthly average.0137 mg/L≤ .011 mg/L25%
April 202601APhenolics, total, monthly average.0122 mg/L≤ .011 mg/L11%
July 2026001Arsenic, total [as As], daily maximum.923 mg/L≤ .15 mg/L515%
July 2026001Carbofuran, daily maximum.0033 mg/L≤ .002 mg/L65%
August 2026001Arsenic, total [as As], daily maximum.333 mg/L≤ .15 mg/L122%

Limits in force (75)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year001
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)all year001
pHminimum≥ 6 SUJan, Feb, Mar, Apr, May, Nov, Dec001
pHminimum≥ 6.5 SUJun–Oct001
pHmaximum≤ 9 SUJan, Feb, Mar, Apr, May, Nov, Dec001
pHmaximum≤ 8.5 SUJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 2 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 2 mg/LJun–Oct001
Arsenic, total [as As]monthly averagereport only (mg/L)Jun–Oct001
Arsenic, total [as As]monthly average≤ .2 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Arsenic, total [as As]daily maximum≤ .15 mg/LJun–Oct001
Arsenic, total [as As]daily maximum≤ .3 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Zinc, total [as Zn]monthly averagereport only (mg/L)Jun–Oct001
Zinc, total [as Zn]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec001
Zinc, total [as Zn]daily maximum≤ .16 mg/LJun–Oct001
Zinc, total [as Zn]daily maximum≤ .3 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Phenolics, totalmonthly average≤ .005 mg/LJun–Oct001
Phenolics, totalmonthly average≤ .011 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Phenolics, totaldaily maximum≤ .05 mg/LJun–Oct001
Phenolics, totaldaily maximum≤ .05 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Carbofurandaily maximum≤ .002 mg/Lall year001
Flow ratemonthly averagereport only (gal/d)all year002
Flow ratedaily maximumreport only (gal/d)all year002
Flow ratedaily averagereport only (gal/d)all year01A
Flow ratedaily maximumreport only (gal/d)all year01A
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year01A
pHminimum≥ 6 SUall year01A
pHmaximum≤ 9 SUall year01A
Solids, total suspendeddaily maximumreport only (mg/L)all year01A
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJan, Feb, Mar, Apr, May, Nov, Dec01A
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJun–Oct01A
Nitrogen, ammonia total [as N]daily maximum≤ 2 mg/LJan, Feb, Mar, Apr, May, Nov, Dec01A
Nitrogen, ammonia total [as N]daily maximum≤ 2 mg/LJun–Oct01A
Sulfite [as SO3]daily maximum≤ 5 mg/Lall year01A
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year01A
Arsenic, total [as As]monthly averagereport only (mg/L)Jun–Oct01A
Arsenic, total [as As]monthly average≤ .2 mg/LJan, Feb, Mar, Apr, May, Nov, Dec01A
Arsenic, total [as As]daily maximum≤ .15 mg/LJun–Oct01A
Arsenic, total [as As]daily maximum≤ .3 mg/LJan, Feb, Mar, Apr, May, Nov, Dec01A
Iron, total [as Fe]daily maximum≤ .3 mg/Lall year01A
Lead, total [as Pb]daily maximum≤ .009 mg/Lall year01A
Zinc, total [as Zn]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec01A
Zinc, total [as Zn]monthly averagereport only (mg/L)Jun–Oct01A
Zinc, total [as Zn]daily maximum≤ .3 mg/LJan, Feb, Mar, Apr, May, Nov, Dec01A
Zinc, total [as Zn]daily maximum≤ .16 mg/LJun–Oct01A
Aluminum, total [as Al]daily maximum≤ .2 mg/Lall year01A
Selenium, total [as Se]daily maximum≤ .004 mg/Lall year01A
1,2-Dichloroethanedaily maximum≤ .016 mg/Lall year01A
Benzenedaily maximum≤ .006 mg/Lall year01A
Phenolics, totalmonthly average≤ .005 mg/LJun–Oct01A
Phenolics, totalmonthly average≤ .011 mg/LJan, Feb, Mar, Apr, May, Nov, Dec01A
Phenolics, totaldaily maximum≤ .05 mg/LJun–Oct01A
Phenolics, totaldaily maximum≤ .05 mg/LJan, Feb, Mar, Apr, May, Nov, Dec01A
.delta.-BHCdaily maximum≤ .02 ug/Lall year01A
Ethylbenzenedaily maximum≤ .005 mg/Lall year01A
Isophoronedaily maximum≤ .01 mg/Lall year01A
Methylene chloridedaily maximum≤ .02 mg/Lall year01A
Naphthalenedaily maximum≤ .01 mg/Lall year01A
Trichloroethylenedaily maximum≤ .01 mg/Lall year01A
4,4'-DDTdaily maximum≤ .05 ug/Lall year01A
4,4'-DDDdaily maximum≤ .05 ug/Lall year01A
4,4'-DDEdaily maximum≤ .01 ug/Lall year01A
.alpha.-BHCdaily maximum≤ .01 ug/Lall year01A
.beta.-BHCdaily maximum≤ .02 ug/Lall year01A
.gamma.-BHCdaily maximum≤ .01 ug/Lall year01A
Dieldrindaily maximum≤ .005 ug/Lall year01A
Endosulfan, totaldaily maximum≤ .06 ug/Lall year01A
2,4-Dichlorophenoxyacetic aciddaily maximum≤ .01 mg/Lall year01A
Carbofurandaily maximum≤ .002 mg/Lall year01A
Dichlorobenzenedaily maximum≤ .005 mg/Lall year01A
Xylene [mix of m+o+p]daily maximum≤ .01 mg/Lall year01A
2,2-Dimethyl-2,3-dihydro-7-benzofuranoldaily maximumreport only (mg/L)all year01A

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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Your permit document is the final word. As JSON: /api/v1/permits/NY0000345 · MCP: https://passage-data.com/mcp