Amgen Manufacturing Limited LLC

NPDES permit PR0026695 · Major NON-POTW · administratively continued, expires 2023-11-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2023-11-30 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

0values over a limit
0required values missing, on 0 form(s)
0of 16 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among PR permits in EPA's filings — check your permit).

Limits in force (41)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX <= 32.2 deg C all year
001TurbidityDAILY MX <= 50 NTU all year
001Color [PT-CO units]DAILY MX <= 15 col unit (pc) all year
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 18 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 35 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 31 mg/L all year
001Solids, total suspendedDAILY MX <= 58 mg/L all year
001Solids, settleableDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, total [as N]DAILY MX <= 1700 ug/L all year
001Phosphorus, total [as P]DAILY MX <= 160 ug/L all year
001Cyanide, free-water plus wastewatersDAILY MX <= 5.2 ug/L all year
001Sulfate, total [as SO4]DAILY MX <= 250 mg/L all year
001Arsenic, total [as As]DAILY MX <= 10 ug/L all year
001Cadmium, total [as Cd]DAILY MX <= .26 ug/L all year
001Chromium, hexavalent [as Cr]DAILY MX <= 11 ug/L all year
001Copper, total [as Cu]DAILY MX <= 9 ug/L all year
001Lead, total [as Pb]DAILY MX <= 3 ug/L all year
001Zinc, total [as Zn]DAILY MX <= 115.8 ug/L all year
001Selenium, total [as Se]DAILY MX <= 5 ug/L all year
0012-Methyl-4,6-dinitrophenolDAILY MX report only all year
0011,2-DichloroethaneDAILY MX <= 3.8 ug/L all year
001BenzeneDAILY MX <= 5 ug/L all year
001Methylene chlorideDAILY MX <= 46 ug/L all year
0012,4,6-TrichlorophenolDAILY MX report only all year
001Surfactants [MBAS]DAILY MX <= 100 ug/L all year
001PentachlorophenolDAILY MX report only all year
001ChlorideDN <= 250 mg/L all year
001Flow, in conduit or thru treatment plantDAILY MX <= .5 MGD all year
001Chlorine, total residualDAILY MX <= 11 ug/L all year
001Sulfide-hydrogen sulfide [undissociated]DAILY MX <= 2 ug/L all year
001EnterococciGEO MEAN <= 35 #/100mL all year
001Enterococci90TH % <= 130 #/100mL all year
001Solids, total dissolvedDAILY MX <= 500 mg/L all year
001Mercury, total [as Hg]DAILY MX <= .05 ug/L all year
001Chemical Oxygen Demand [COD]MO AVG <= 86 mg/L all year
001Chemical Oxygen Demand [COD]DAILY MX <= 228 mg/L all year
001Ammonia & ammonium- totalDAILY 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