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Department of the Army, US Army Garrison Ft. Detrick

Federal facility (National Security), major discharger, Frederick County, Maryland. NPDES permit MD0020877 expired Oct 31, 2026. 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 (50 values), form Z yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 5 required values missing, 5 of 13 reports late

Limits in force (56)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitmaximum monthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitmaximum daily averagereport only (deg F)all year
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitmaximum monthly averagereport only (deg F)all year
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 170 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 250 lb/dall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmaximum monthly average≤ 10 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 15 mg/Lall year
Solids, total suspendedmaximum monthly average≤ 170 lb/dall year
Solids, total suspendedmaximum weekly average≤ 250 lb/dall year
Solids, total suspendedcumulative total≤ 60800 lb/yrall year
Solids, total suspendedmonthly totalreport only (lb/mo)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly totalreport only (lb/mo)all year
Nitrogen, total [as N]cumulative total≤ 24364 lb/yrall year
Nitrogen, total [as N]annual totalreport only (lb/yr)all year
Nitrogen, total [as N]annual totalreport only (lb/yr)all year
Nitrogen, organic total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]maximum monthly average≤ 3 mg/LApr–Sep
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 4.5 mg/LApr–Sep
Nitrogen, Kjeldahl, total [as N]maximum monthly average≤ 50 lb/dApr–Sep
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 75 lb/dApr–Sep
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]cumulative total≤ 1827 lb/yrall year
Phosphorus, total [as P]monthly totalreport only (lb/mo)all year
Phosphorus, total [as P]annual totalreport only (lb/yr)all year
Phosphorus, total [as P]annual totalreport only (lb/yr)all year
PCB, total, scan effluentquarterly averagereport only (ug/L)all year
Phosphate, ortho [as P]monthly averagereport only (mg/L)all year
Acrylonitrilequarterly averagereport only (ug/L)all year
N-Nitrosodi-N-propylaminequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec
N-Nitrosodimethylamine [NDMA]quarterly averagereport only (ug/L)all year
Benzo[a]anthracenequarterly averagereport only (ug/L)all year
3,3'-Dichlorobenzidinequarterly averagereport only (ug/L)all year
Benzidinequarterly averagereport only (mg/L)Mar, Jun, Sep, Dec
Aldrinquarterly averagereport only (ug/L)Mar, Jun, Sep, Dec
Dieldrinquarterly averagereport only (ug/L)all year
Toxaphenequarterly averagereport only (ug/L)all year
Heptachlor epoxidequarterly averagereport only (ug/L)all year
Hexachlorobenzenequarterly averagereport only (ug/L)Mar, Jun, Sep, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmaximum≤ .1 mg/Lall year
E. colimaximum monthly geometric mean≤ 126 MPN/100mLall year
Flow, totalmonthly totalreport only (Mgal/mo)all year
Flow, totalannual totalreport only (Mgal/yr)all year
Flow, totalannual totalreport only (Mgal/yr)all year

How strict are these limits?

Cited limits by parameter: Maryland's rules and the federal ones.

Same industry: the 8 National Security and International Affairs permits in Maryland.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MD0020877 · MCP: https://passage-data.com/mcp