CHELSEA SANDWICH, LLC

NPDES permit MA0003280 · Major NON-POTW · effective, expires 2027-11-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

1values over a limit
0required values missing, on 0 form(s)
0of 39 forms filed late

Last period with anything received: 2026-08-31. Most often over: Benzo[a]pyrene (1).

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among MA permits in EPA's filings — check your permit).

Limits in force (102)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only Apr
001Flow rateDAILY MX <= 700 gal/min all year
001Flow rateDAILY MX report only all year
001TurbidityMO AVG report only all year
001TurbidityDAILY MX report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001pHDAILY MX report only Apr
001pHDAILY MX report only Apr
001SalinityDAILY MX report only Apr
001SalinityDAILY MX report only Apr
001Solids, totalDAILY MX report only Apr
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedDAILY MX report only Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 1.8 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX report only Apr
001Nitrogen, ammonia total [as N]DAILY MX report only Apr
001Carbon, tot organic [TOC]DAILY MX report only Apr
001Cyanide, total [as CN]DAILY MX <= 5 ug/L all year
001Cadmium, total [as Cd]DAILY MX report only Apr
001Cadmium, total [as Cd]DAILY MX report only Apr
001Copper, total [as Cu]DAILY MX <= 5.8 ug/L all year
001Copper, total [as Cu]DAILY MX report only Apr
001Copper, total [as Cu]DAILY MX report only Apr
001Lead, total [as Pb]DAILY MX report only Apr
001Lead, total [as Pb]DAILY MX report only Apr
001Nickel, total [as Ni]DAILY MX report only Apr
001Nickel, total [as Ni]DAILY MX report only Apr
001Zinc, total [as Zn]DAILY MX <= 95.1 ug/L all year
001Zinc, total [as Zn]DAILY MX report only Apr
001Zinc, total [as Zn]DAILY MX report only Apr
001Oil and greaseDAILY MX <= 15 mg/L all year
001TolueneDAILY MX report only Apr
001TolueneDAILY MX report only Apr
001BenzeneDAILY MX <= 5 ug/L all year
001BenzeneDAILY MX report only Apr
001AcenaphthyleneDAILY MX report only Apr
001AcenaphthyleneDAILY MX report only Apr
001AcenaphtheneDAILY MX report only Apr
001AcenaphtheneDAILY MX report only Apr
001AnthraceneDAILY MX report only Apr
001AnthraceneDAILY MX report only Apr
001Benzo[b]fluorantheneMO AVG <= .05 ug/L all year
001Benzo[b]fluorantheneDAILY MX report only all year
001Benzo[b]fluorantheneDAILY MX report only Apr
001Benzo[k]fluorantheneMO AVG <= .05 ug/L all year
001Benzo[k]fluorantheneDAILY MX report only all year
001Benzo[k]fluorantheneDAILY MX report only Apr
001Benzo[a]pyreneMO AVG <= .05 ug/L all year
001Benzo[a]pyreneDAILY MX report only all year
001Benzo[a]pyreneDAILY MX report only Apr
001ChryseneMO AVG <= .13 ug/L all year
001ChryseneDAILY MX report only all year
001ChryseneDAILY MX report only Apr
001EthylbenzeneDAILY MX report only Apr
001EthylbenzeneDAILY MX report only Apr
001FluorantheneDAILY MX report only Apr
001FluorantheneDAILY MX report only Apr
001FluoreneDAILY MX report only Apr
001FluoreneDAILY MX report only Apr
001Indeno[1,2,3-cd]pyreneMO AVG <= .1 ug/L all year
001Indeno[1,2,3-cd]pyreneDAILY MX report only all year
001Indeno[1,2,3-cd]pyreneDAILY MX report only Apr
001PhenanthreneDAILY MX report only Apr
001PhenanthreneDAILY MX report only Apr
001PyreneDAILY MX report only Apr
001PyreneDAILY MX report only Apr
001Benzo[ghi]peryleneDAILY MX report only Apr
001Benzo[ghi]peryleneDAILY MX report only Apr
001Benzo[a]anthraceneMO AVG <= .05 ug/L all year
001Benzo[a]anthraceneDAILY MX report only all year
001Benzo[a]anthraceneDAILY MX report only Apr
001Dibenz[a,h]anthraceneMO AVG <= .1 ug/L all year
001Dibenz[a,h]anthraceneDAILY MX report only all year
001Dibenz[a,h]anthraceneDAILY MX report only Apr
001NaphthaleneDAILY MX <= 20 ug/L all year
001NaphthaleneDAILY MX report only Apr
001Chlorine, total residualDAILY MX report only Apr
001Chlorine, total residualDAILY MX <= 30 ug/L all year
001Number of EventsDAILY MX report only all year
001EnterococciDAILY MX report only all year
001Coliform, fecal generalDAILY MX report only all year
001Phthalates, totalDAILY MX report only all year
001Chemical Oxygen Demand [COD]DAILY MX report only all year
001Xylene [mix of m+o+p]DAILY MX report only Apr
001Xylene [mix of m+o+p]DAILY MX report only Apr
001LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)DAILY MX report only Apr
001LC50 Static 48Hr Acute MenidiaDAILY MX report only Apr
002Flow rateDAILY MX <= 25 gal/min all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 8.5 SU all year
002BenzeneDAILY MX <= 5 ug/L all year
002BTEXDAILY MX <= 100 ug/L all year
002FlowDAILY MX report only all year
002Hydrocarbons, total petroleumDAILY MX <= 5 mg/L 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