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US Department of the Army

Federal facility (National Security), Coryell County, Texas. NPDES permit TX0002313, in force until Oct 16, 2029. Last 12 months: no values over a limit, 6 of 36 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 004 form A monthly (7 values), outfall 005 form A monthly (8 values), outfall 006 form A monthly (9 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 36 reports late

Limits in force (24)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [high level] [COD]daily maximum≤ 200 mg/Lall year004
pHminimum≥ 6 SUall year004
pHmaximum≤ 9 SUall year004
Solids, total suspendeddaily maximum≤ 90 mg/Lall year004
Oil & Greasedaily maximum≤ 15 mg/Lall year004
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Oxygen, dissolved [DO]monthly minimum≥ 3 mg/Lall year005
Oxygen demand, chem. [high level] [COD]daily maximum≤ 200 mg/Lall year005
pHminimum≥ 6 SUall year005
pHmaximum≤ 9 SUall year005
Solids, total suspendeddaily maximum≤ 90 mg/Lall year005
Oil & Greasedaily maximum≤ 15 mg/Lall year005
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Oxygen demand, chem. [high level] [COD]daily maximum≤ 200 mg/Lall year006
pHminimum≥ 6 SUall year006
pHmaximum≤ 9 SUall year006
Solids, total suspendeddaily maximum≤ 90 mg/Lall year006
Oil & Greasedaily maximum≤ 15 mg/Lall year006
Zinc, total [as Zn]daily averagereport only (mg/L)all year006
Zinc, total [as Zn]daily maximumreport only (mg/L)all year006
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006

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

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0002313 · MCP: https://passage-data.com/mcp