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Naval Fac Engineering Command, Marianas

Federal facility (National Security), Santa Rita, Guam. NPDES permit GU0020389, in force until May 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (40 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (40)

ParameterStatisticLimitMonths
Turbiditydaily maximumreport only (NTU)all year
Turbiditydaily maximumreport only (NTU)all year
pHminimum≥ 6.5 SUall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
pHmaximum≤ 9 SUall year
Solids, settleabledaily maximum≤ 45 mL/Lall year
Solids, settleabledaily maximum≤ 45 mL/Lall year
Nitrite + Nitrate total [as N]daily maximum≤ .5 mg/Lall year
Nitrite + Nitrate total [as N]daily maximum≤ .5 mg/Lall year
Fluoridedaily maximum≤ .8 mg/Lall year
Fluoridedaily maximum≤ .8 mg/Lall year
Selenium, total recoverabledaily maximum≤ 20 ug/Lall year
Selenium, total recoverabledaily maximum≤ 20 ug/Lall year
Silver total recoverabledaily maximum≤ 4.1 ug/Lall year
Silver total recoverabledaily maximum≤ 4.1 ug/Lall year
Zinc, total recoverabledaily maximum≤ 120 ug/Lall year
Zinc, total recoverabledaily maximum≤ 120 ug/Lall year
Aluminum, total recoverabledaily maximum≤ 1 mg/Lall year
Aluminum, total recoverabledaily maximum≤ 1 mg/Lall year
Cadmium, total recoverabledaily maximum≤ 3.9 ug/Lall year
Cadmium, total recoverabledaily maximum≤ 3.9 ug/Lall year
Copper, total recoverabledaily maximum≤ 3 ug/Lall year
Copper, total recoverabledaily maximum≤ 3 ug/Lall year
Dichlorobromomethanedaily maximum≤ 46 ug/Lall year
Dichlorobromomethanedaily maximum≤ 46 ug/Lall year
Chloroformdaily maximum≤ 470 ug/Lall year
Chloroformdaily maximum≤ 470 ug/Lall year
Heptachlordaily maximum≤ .00021 ug/Lall year
Heptachlordaily maximum≤ .00021 ug/Lall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 11 ug/Lall year
Chlorine, total residualdaily maximum≤ 11 ug/Lall year
Solids, total dissolveddaily maximum≤ 1000 mg/Lall year
Solids, total dissolveddaily maximum≤ 1000 mg/Lall year
Mercury, total recoverabledaily maximum≤ .051 ug/Lall year
Mercury, total recoverabledaily maximum≤ .051 ug/Lall year
Chromium, hexavalent tot recoverabledaily maximum≤ 16 ug/Lall year
Chromium, hexavalent tot recoverabledaily maximum≤ 16 ug/Lall year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/GU0020389 · MCP: https://passage-data.com/mcp