ONYX SPECIALTY PAPERS, INC.

NPDES permit MA0001848 · Major NON-POTW · administratively continued, expires 2026-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-08-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
0required values missing, on 0 form(s)
0of 23 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (2).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (51)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 90 deg F all year
001Total production - massMO AVG report only all year
001Total production - massDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 353 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 530 lb/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.3 SU all year
001pHDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 150 lb/d all year
001Solids, total suspendedDAILY MX <= 575 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 1.5 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 2 MGD all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX report only all year
001NOEC Static Renewal 7Day Chronic Ceriodaphnia dubiaDAILY MN report only all year
001NOEC Static Renewal 7Day Chronic Pimephales promelasDAILY MN report only all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaDAILY MN >= 100 % all year
001LC50 Static 48Hr Acute Pimephales promelasDAILY MN >= 100 % all year
PFASPerfluorooctanoic acid (PFOA)DAILY MX report only all year
PFASPerfluoroheptanoic acid (PFHpA)DAILY MX report only all year
PFASPerfluorononanoic acid (PFNA)DAILY MX report only all year
PFASPerfluorodecanoic acid (PFDA)DAILY MX report only all year
PFASPerfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
PFASPerfluorooctanesulfonic acid (PFOS)DAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states