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Islechem, LLC

Commercial Physical Research, major discharger, Grand Island, Town Of, New York. NPDES permit NY0001201 expired Mar 31, 2019; its limits still apply. Last 12 months: over a limit 2 times (last August 2026), 2 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (19 values), outfall 001 form V twice a year (19 values), outfall 01A form M monthly (10 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 26 reports late

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

Period endingParameterReportedLimitOver by
August 2026BOD, 5-day, 20 deg. C, daily average127 lb/d≤ 20 lb/d535%
August 2026BOD, 5-day, 20 deg. C, daily maximum379 lb/d≤ 40 lb/d848%

Limits in force (56)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year001
BOD, 5-day, 20 deg. Cdaily averagereport only (lb/d)all year001
BOD, 5-day, 20 deg. Cdaily averagereport only (lb/d)May–Sep001
BOD, 5-day, 20 deg. Cdaily average≤ 20 lb/dJan, Feb, Mar, Apr, Oct, Nov, Dec001
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)May–Sep001
BOD, 5-day, 20 deg. Cdaily maximum≤ 40 lb/dJan, Feb, Mar, Apr, Oct, Nov, Dec001
BOD, 5-day, 20 deg. Cdaily average≤ 20 lb/dMay–Sep001
BOD, 5-day, 20 deg. Cdaily maximum≤ 40 lb/dMay–Sep001
BOD, 5-day, 20 deg. Cdaily averagereport only (lb/d)May–Sep001
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)May–Sep001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily average≤ 20 lb/dall year001
Solids, total suspendeddaily averagereport only (lb/d)May–Sep001
Solids, total suspendeddaily average≤ 20 lb/dJan, Feb, Mar, Apr, Oct, Nov, Dec001
Solids, total suspendeddaily maximum≤ 40 lb/dall year001
Solids, total suspendeddaily maximumreport only (lb/d)May–Sep001
Solids, total suspendeddaily maximum≤ 40 lb/dJan, Feb, Mar, Apr, Oct, Nov, Dec001
Solids, total suspendeddaily average≤ 20 lb/dMay–Sep001
Solids, total suspendeddaily maximum≤ 40 lb/dMay–Sep001
Solids, total suspendeddaily averagereport only (lb/d)May–Sep001
Solids, total suspendeddaily maximumreport only (lb/d)May–Sep001
Cyanide, total [as CN]daily maximum≤ .49 lb/d (alert, not enforceable)all year001
Arsenic, total [as As]daily maximum≤ .11 lb/d (alert, not enforceable)all year001
Chromium, total [as Cr]daily maximum≤ .082 lb/d (alert, not enforceable)all year001
Copper, total [as Cu]daily maximum≤ .085 lb/d (alert, not enforceable)all year001
Lead, total [as Pb]daily maximum≤ .025 lb/d (alert, not enforceable)all year001
Nickel, total [as Ni]daily maximum≤ .25 lb/d (alert, not enforceable)all year001
Zinc, total [as Zn]daily maximum≤ .14 lb/d (alert, not enforceable)all year001
Antimony, total [as Sb]daily maximum≤ .05 lb/d (alert, not enforceable)all year001
Selenium, total [as Se]daily maximum≤ .16 lb/d (alert, not enforceable)all year001
Carbon tetrachloridedaily maximum≤ .08 lb/d (alert, not enforceable)all year001
Chloroformdaily maximum≤ .14 lb/d (alert, not enforceable)all year001
Phenolics, total recoverabledaily maximum≤ .17 lb/d (alert, not enforceable)all year001
Toluenedaily maximum≤ .025 lb/d (alert, not enforceable)all year001
Methylene chloridedaily maximum≤ .9 lb/d (alert, not enforceable)all year001
Tetrachloroethylenedaily maximum≤ .085 lb/d (alert, not enforceable)all year001
1,1,2,2-Tetrachloroethanedaily maximum≤ .031 lb/d (alert, not enforceable)all year001
trans-1,2-Dichloroethylenedaily maximum≤ .1 lb/d (alert, not enforceable)all year001
Trichloroethylenedaily maximum≤ .15 lb/d (alert, not enforceable)all year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ 1 mg/Lall year001
Chlorine, total residualdaily maximum≤ 1 mg/Lall year001
Trichlorobenzenedaily maximum≤ .13 lb/d (alert, not enforceable)all year001
Flow ratedaily averagereport only (gal/d)all year01A
Flow ratedaily maximumreport only (gal/d)all year01A
BOD, 5-day, 20 deg. Cdaily average≤ 30 mg/Lall year01A
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year01A
Solids, total suspendeddaily average≤ 30 mg/Lall year01A
Solids, total suspendeddaily maximum≤ 45 mg/Lall year01A
Solids, settleabledaily maximum≤ .3 mL/Lall year01A
Chlorine, total residualdaily minimum≥ .5 mg/Lall year01A
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year01A
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year01A

How strict are these limits?

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

Same industry: the 9 Engineering, Accounting, Research and Management Services permits in New York.

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Your permit document is the final word. As JSON: /api/v1/permits/NY0001201 · MCP: https://passage-data.com/mcp