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Amgen Manufacturing Limited LLC

Pharmaceutical Preparations, major discharger, Juncos, Puerto Rico. NPDES permit PR0026695 expired Nov 30, 2023; 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: form A monthly (39 values), form Q quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 16 reports late

Limits in force (41)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximum≤ 32.2 deg Call year
Turbiditydaily maximum≤ 50 NTUall year
Color [PT-CO units]daily maximum≤ 15 col unit (pc)all year
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 18 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 35 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 31 mg/Lall year
Solids, total suspendeddaily maximum≤ 58 mg/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Oil & Greasedaily maximumreport only (mg/L)all year
Nitrogen, total [as N]daily maximum≤ 1700 ug/Lall year
Phosphorus, total [as P]daily maximum≤ 160 ug/Lall year
Cyanide, free-water plus wastewatersdaily maximum≤ 5.2 ug/Lall year
Sulfate, total [as SO4]daily maximum≤ 250 mg/Lall year
Arsenic, total [as As]daily maximum≤ 10 ug/Lall year
Cadmium, total [as Cd]daily maximum≤ .26 ug/Lall year
Chromium, hexavalent [as Cr]daily maximum≤ 11 ug/Lall year
Copper, total [as Cu]daily maximum≤ 9 ug/Lall year
Lead, total [as Pb]daily maximum≤ 3 ug/Lall year
Zinc, total [as Zn]daily maximum≤ 115.8 ug/Lall year
Selenium, total [as Se]daily maximum≤ 5 ug/Lall year
2-Methyl-4,6-dinitrophenoldaily maximumreport only (ug/L)all year
1,2-Dichloroethanedaily maximum≤ 3.8 ug/Lall year
Benzenedaily maximum≤ 5 ug/Lall year
Methylene chloridedaily maximum≤ 46 ug/Lall year
2,4,6-Trichlorophenoldaily maximumreport only (ug/L)all year
Surfactants [MBAS]daily maximum≤ 100 ug/Lall year
Pentachlorophenoldaily maximumreport only (ug/L)all year
Chlorideper discharge≤ 250 mg/Lall year
Flow, in conduit or thru treatment plantdaily maximum≤ .5 MGDall year
Chlorine, total residualdaily maximum≤ 11 ug/Lall year
Sulfide-hydrogen sulfide [undissociated]daily maximum≤ 2 ug/Lall year
Enterococcigeometric mean≤ 35 #/100mLall year
Enterococci90th percentile≤ 130 #/100mLall year
Solids, total dissolveddaily maximum≤ 500 mg/Lall year
Mercury, total [as Hg]daily maximum≤ .05 ug/Lall year
Chemical Oxygen Demand [COD]monthly average≤ 86 mg/Lall year
Chemical Oxygen Demand [COD]daily maximum≤ 228 mg/Lall year
Ammonia & ammonium- totaldaily maximumreport only (ug/L)all year

How strict are these limits?

Cited limits by parameter: we hold no rule of Puerto Rico's own; the federal ones.

Same industry: the 4 Chemicals and Allied Products permits in Puerto Rico.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PR0026695 · MCP: https://passage-data.com/mcp