Passage Data · Check a report · Use it from your AI

Onyx Specialty Papers, Inc.

Paper Mills, major discharger, South Lee, Massachusetts. NPDES permit MA0001716 expired May 31, 2026; its limits still apply. Last 12 months: over a limit 5 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (27 values), outfall 001 form T quarterly (10 values), outfall 001 form TA quarterly (10 values), outfall PFAS form E quarterly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 2 of 24 reports late

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

Period endingParameterReportedLimitOver by
December 2025Cadmium, total [as Cd], monthly average14.5 ug/L≤ 11.3 ug/L28%
January 2026Cadmium, total [as Cd], monthly average49 ug/L≤ 11.3 ug/L334%
February 2026Cadmium, total [as Cd], monthly average31.5 ug/L≤ 11.3 ug/L179%
March 2026Cadmium, total [as Cd], monthly average57.5 ug/L≤ 11.3 ug/L409%
April 2026Cadmium, total [as Cd], monthly average26 ug/L≤ 11.3 ug/L130%

Limits in force (53)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year001
Total production - massmonthly averagereport only (ton/d)all year001
Total production - massdaily maximumreport only (ton/d)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 18.2 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 34.8 lb/dall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.3 SUall year001
pHdaily maximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 100 lb/dall year001
Solids, total suspendeddaily maximum≤ 250 lb/dall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]monthly average≤ 11.3 ug/Lall year001
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]monthly averagereport only (ug/L)all year001
Copper, total [as Cu]daily maximumreport only (ug/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Aluminum, total [as Al]daily maximumreport only (mg/L)all year001
Aluminum, total [as Al]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 1 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ 1.5 MGDall year001
Chlorine, total residualmonthly averagereport only (ug/L)all year001
Chlorine, total residualdaily maximumreport only (ug/L)all year001
NOEC Static Renewal 7Day Chronic Ceriodaphnia dubiadaily minimumreport only (%)all year001
LC50 Static 48Hr Acute Ceriodaphnia dubiadaily minimum≥ 100 %all year001
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all yearPFAS
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/L)all yearPFAS
Perfluorononanoic acid (PFNA)daily maximumreport only (ng/L)all yearPFAS
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/L)all yearPFAS
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/L)all yearPFAS
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/L)all yearPFAS

How strict are these limits?

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

Same industry: the 6 Paper and Allied Products permits in Massachusetts.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MA0001716 · MCP: https://passage-data.com/mcp