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NRG Huntley Power LLC

Refuse Systems, Tonawanda, New York. NPDES permit NY0203483 expired Apr 30, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (13 values), outfall 002 form M monthly (13 values), outfall 003 form M monthly (13 values), outfall SUM form M monthly (1 value)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 48 reports late

Limits in force (40)

ParameterStatisticLimitMonthsOutfall
Flow ratedaily maximumreport only (gal/d)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Barium, total [as Ba]daily maximum≤ 4 mg/Lall year001
Copper, total [as Cu]daily maximum≤ 1 mg/Lall year001
Iron, total [as Fe]daily maximum≤ 4 mg/Lall year001
Molybdenum, total [as Mo]daily maximum≤ 20 mg/Lall year001
Nickel, total [as Ni]daily maximum≤ 1.3 mg/Lall year001
Silver, total [as Ag]daily maximum≤ .1 mg/Lall year001
Zinc, total [as Zn]daily maximum≤ .4 mg/Lall year001
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year001
Phenolics, total recoverabledaily maximumreport only (mg/L)all year001
Flow ratedaily maximumreport only (gal/d)all year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendeddaily maximum≤ 50 mg/Lall year002
Barium, total [as Ba]daily maximum≤ 4 mg/Lall year002
Copper, total [as Cu]daily maximum≤ 1 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 4 mg/Lall year002
Molybdenum, total [as Mo]daily maximum≤ 20 mg/Lall year002
Nickel, total [as Ni]daily maximum≤ 1.3 mg/Lall year002
Silver, total [as Ag]daily maximum≤ .1 mg/Lall year002
Zinc, total [as Zn]daily maximum≤ .4 mg/Lall year002
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year002
Phenolics, total recoverabledaily maximumreport only (mg/L)all year002
Flow ratedaily maximumreport only (gal/d)all year003
pHminimum≥ 6 SUall year003
pHmaximum≤ 9 SUall year003
Solids, total suspendeddaily maximum≤ 50 mg/Lall year003
Barium, total [as Ba]daily maximum≤ 4 mg/Lall year003
Copper, total [as Cu]daily maximum≤ 1 mg/Lall year003
Iron, total [as Fe]daily maximum≤ 4 mg/Lall year003
Molybdenum, total [as Mo]daily maximum≤ 20 mg/Lall year003
Nickel, total [as Ni]daily maximum≤ 1.3 mg/Lall year003
Silver, total [as Ag]daily maximum≤ .1 mg/Lall year003
Zinc, total [as Zn]daily maximum≤ .4 mg/Lall year003
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year003
Phenolics, total recoverabledaily maximumreport only (mg/L)all year003
Phenolics, total recoverabledaily maximum≤ .1 mg/Lall yearSUM

How strict are these limits?

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

Same industry: the 21 Refuse Systems 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/NY0203483 · MCP: https://passage-data.com/mcp