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Bluegrass Army Depot

Federal facility (National Security), Richmond, Kentucky. NPDES permit KY0020737, in force until Apr 30, 2031. Last 12 months: over a limit once (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form 1 monthly (17 values), outfall 003 form 1 monthly (14 values), outfall 011 form 1 monthly (18 values), outfall 012 form 1 monthly (18 values), outfall 001 form 4 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
July 2026Copper, total recoverable, daily maximum.016 ug/L≤ .014 ug/L14%

Limits in force (71)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 7 mg/Lall year001
pHminimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year001
Oil & Greasemonthly averagereport only (mg/L)all year001
Oil & Greasedaily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Copper, total recoverablemonthly averagereport only (mg/L)all year001
Copper, total recoverabledaily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
E. coli30-day geometric mean≤ 130 #/100mLall year001
E. coli7-day geometric mean≤ 240 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 37.5 mg/Lall year001
pHminimum≥ 6 SUall year003
pHdaily maximum≤ 9 SUall year003
Solids, total suspendedmonthly average≤ 30 mg/Lall year003
Solids, total suspendeddaily maximum≤ 50 mg/Lall year003
Phosphorus, total [as P]monthly averagereport only (mg/L)all year003
Phosphorus, total [as P]daily maximumreport only (mg/L)all year003
Iron, total recoverablemonthly averagereport only (mg/L)all year003
Iron, total recoverabledaily maximumreport only (mg/L)all year003
Aluminum, total recoverablemonthly averagereport only (mg/L)all year003
Aluminum, total recoverabledaily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Chlorine, total residualmonthly average≤ .011 mg/Lall year003
Chlorine, total residualdaily maximum≤ .019 mg/Lall year003
pHminimum≥ 6 SUall year011
pHdaily maximum≤ 9 SUall year011
Solids, total suspendedmonthly averagereport only (mg/L)all year011
Solids, total suspendeddaily maximum≤ 60 mg/Lall year011
Oil & Greasemonthly averagereport only (mg/L)all year011
Oil & Greasedaily maximum≤ 15 mg/Lall year011
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year011
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year011
Zinc, total recoverablemonthly averagereport only (mg/L)all year011
Zinc, total recoverabledaily maximumreport only (mg/L)all year011
Cadmium, total recoverablemonthly averagereport only (mg/L)all year011
Cadmium, total recoverabledaily maximumreport only (mg/L)all year011
Lead, total recoverablemonthly averagereport only (mg/L)all year011
Lead, total recoverabledaily maximumreport only (mg/L)all year011
Copper, total recoverablemonthly averagereport only (ug/L)all year011
Copper, total recoverabledaily maximumreport only (ug/L)all year011
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year011
pHminimum≥ 6 SUall year012
pHdaily maximum≤ 9 SUall year012
Solids, total suspendedmonthly averagereport only (mg/L)all year012
Solids, total suspendeddaily maximum≤ 60 mg/Lall year012
Oil & Greasemonthly averagereport only (mg/L)all year012
Oil & Greasedaily maximum≤ 15 mg/Lall year012
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year012
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year012
Zinc, total recoverablemonthly averagereport only (mg/L)all year012
Zinc, total recoverabledaily maximumreport only (mg/L)all year012
Cadmium, total recoverablemonthly averagereport only (mg/L)all year012
Cadmium, total recoverabledaily maximumreport only (mg/L)all year012
Lead, total recoverablemonthly averagereport only (mg/L)all year012
Lead, total recoverabledaily maximumreport only (mg/L)all year012
Copper, total recoverablemonthly averagereport only (ug/L)all year012
Copper, total recoverabledaily maximum≤ .014 ug/Lall year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012

How strict are these limits?

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

Same industry: the 5 National Security and International Affairs permits in Kentucky.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/KY0020737 · MCP: https://passage-data.com/mcp