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Lydall Interface Materials [US] NC

Paper Mills, Hoosick Falls, New York. NPDES permit NY0006491, in force until Jun 30, 2030. Last 12 months: no values over a limit, 3 of 41 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 002 form Q quarterly (8 values), outfall 002 form V quarterly (8 values), outfall 002 form X monthly (22 values), outfall 004 form V monthly (8 values), outfall 004 form X monthly (30 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 8 of 44 reports late

Limits in force (76)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily average≤ 75 deg Fall year002
Temperature, water deg. fahrenheitdaily maximum≤ 84 deg Fall year002
BOD, 5-day, 20 deg. Cdaily averagereport only (mg/L)all year002
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year002
BOD, 5-day, 20 deg. Cdaily average≤ 310 lb/dall year002
BOD, 5-day, 20 deg. Cdaily maximum≤ 570 lb/dall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 8.5 SUall year002
Solids, total suspendeddaily averagereport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Solids, total suspendeddaily average≤ 250 lb/dall year002
Solids, total suspendeddaily maximum≤ 510 lb/dall year002
Solids, settleabledaily averagereport only (mL/L)all year002
Solids, settleabledaily maximum≤ .3 mL/Lall year002
Sulfite [as SO3]daily averagereport only (mg/L)all year002
Sulfite [as SO3]daily maximumreport only (mg/L)all year002
Sulfite [as SO3]daily averagereport only (lb/d)all year002
Sulfite [as SO3]daily maximumreport only (lb/d)all year002
Sulfate, total [as SO4]daily averagereport only (mg/L)all year002
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year002
Sulfate, total [as SO4]daily averagereport only (lb/d)all year002
Sulfate, total [as SO4]daily maximumreport only (lb/d)all year002
Zinc, total [as Zn]daily maximumreport only (mg/L) (alert, not enforceable)all year002
Zinc, total [as Zn]daily maximum≤ 3.5 lb/d (alert, not enforceable)all year002
Antimony, total [as Sb]daily maximumreport only (mg/L) (alert, not enforceable)all year002
Antimony, total [as Sb]daily maximum≤ 1 lb/d (alert, not enforceable)all year002
Aluminum, total [as Al]daily maximumreport only (mg/L) (alert, not enforceable)all year002
Aluminum, total [as Al]daily maximum≤ 7 lb/d (alert, not enforceable)all year002
Phenolics, total recoverabledaily maximumreport only (mg/L) (alert, not enforceable)all year002
Phenolics, total recoverabledaily maximum≤ .3 lb/d (alert, not enforceable)all year002
Acrylonitriledaily averagereport only (ug/L)all year002
Acrylonitriledaily maximumreport only (ug/L)all year002
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Solids, total dissolveddaily averagereport only (mg/L)all year002
Solids, total dissolveddaily maximumreport only (mg/L)all year002
Solids, total dissolveddaily averagereport only (lb/d)all year002
Solids, total dissolveddaily maximumreport only (lb/d)all year002
Temperature, water deg. fahrenheitdaily average≤ 75 deg Fall year004
Temperature, water deg. fahrenheitdaily maximum≤ 84 deg Fall year004
BOD, 5-day, 20 deg. Cdaily averagereport only (mg/L)all year004
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year004
BOD, 5-day, 20 deg. Cdaily average≤ 310 lb/dall year004
BOD, 5-day, 20 deg. Cdaily maximum≤ 570 lb/dall year004
pHminimum≥ 6 SUall year004
pHmaximum≤ 8.5 SUall year004
Solids, total suspendeddaily averagereport only (mg/L)all year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Solids, total suspendeddaily average≤ 250 lb/dall year004
Solids, total suspendeddaily maximum≤ 510 lb/dall year004
Solids, settleabledaily averagereport only (mL/L)all year004
Solids, settleabledaily maximum≤ .3 mL/Lall year004
Sulfite [as SO3]daily averagereport only (mg/L)all year004
Sulfite [as SO3]daily maximumreport only (mg/L)all year004
Sulfite [as SO3]daily averagereport only (lb/d)all year004
Sulfite [as SO3]daily maximumreport only (lb/d)all year004
Sulfate, total [as SO4]daily averagereport only (mg/L)all year004
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year004
Sulfate, total [as SO4]daily averagereport only (lb/d)all year004
Sulfate, total [as SO4]daily maximumreport only (lb/d)all year004
Zinc, total [as Zn]daily maximumreport only (mg/L) (alert, not enforceable)all year004
Zinc, total [as Zn]daily maximum≤ 3.5 lb/d (alert, not enforceable)all year004
Antimony, total [as Sb]daily maximumreport only (mg/L) (alert, not enforceable)all year004
Antimony, total [as Sb]daily maximum≤ 1 lb/d (alert, not enforceable)all year004
Aluminum, total [as Al]daily maximumreport only (mg/L) (alert, not enforceable)all year004
Aluminum, total [as Al]daily maximum≤ 7 lb/d (alert, not enforceable)all year004
Phenolics, total recoverabledaily maximumreport only (mg/L) (alert, not enforceable)all year004
Phenolics, total recoverabledaily maximum≤ .3 lb/d (alert, not enforceable)all year004
Acrylonitriledaily averagereport only (ug/L)all year004
Acrylonitriledaily maximumreport only (ug/L)all year004
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Solids, total dissolveddaily averagereport only (mg/L)all year004
Solids, total dissolveddaily maximumreport only (mg/L)all year004
Solids, total dissolveddaily averagereport only (lb/d)all year004
Solids, total dissolveddaily maximumreport only (lb/d)all year004

How strict are these limits?

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

Same industry: the 22 Paper and Allied Products permits in New York.

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Your permit document is the final word. As JSON: /api/v1/permits/NY0006491 · MCP: https://passage-data.com/mcp