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Tobyhanna Army Depot

Federal facility (General Government), Tobyhanna, Pennsylvania. NPDES permit PA0010987, in force until Apr 30, 2030. Last 12 months: over a limit 4 times (last June 2026), 38 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (24 values), outfall 001 form Q quarterly (5 values), outfall 101 form A monthly (14 values), outfall 003 form S twice a year, outfall 101 form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 34 reports late

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

Period endingParameterReportedLimitOver by
October 2025Solids, total dissolved, monthly average1056 mg/L≤ 1000 mg/L6%
January 2026Solids, total dissolved, monthly average1178 mg/L≤ 1000 mg/L18%
February 2026Solids, total dissolved, monthly average1070 mg/L≤ 1000 mg/L7%
June 2026Solids, total dissolved, monthly average1038 mg/L≤ 1000 mg/L4%

Limits in force (59)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 7 mg/Lall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 200 lb/dall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 4.3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 9.4 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 28.8 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly average≤ 10 mg/Lall year001
Nitrite + Nitrate total [as N]monthly average≤ 66.9 lb/dall year001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]monthly average≤ 6.7 lb/dall year001
Copper, total [as Cu]quarterly averagereport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]quarterly averagereport only (mg/L)all year001
Zinc, total [as Zn]daily 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
Chlorine, total residualinstantaneous maximum≤ .04 mg/Lall year001
E. coliinstantaneous maximumreport only (#/100mL)all year001
Solids, total dissolvedmonthly average≤ 1000 mg/Lall year001
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep001
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep001
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 167 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Nitrogen, total [as N]daily maximumreport only (mg/L)all year003
Phosphorus, total [as P]daily maximumreport only (mg/L)all year003
Arsenic, total [as As]daily maximumreport only (mg/L)all year003
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year003
Chromium, total [as Cr]daily maximumreport only (mg/L)all year003
Copper, total [as Cu]daily maximumreport only (mg/L)all year003
Iron, total [as Fe]daily maximumreport only (mg/L)all year003
Lead, total [as Pb]daily maximumreport only (mg/L)all year003
pHinstantaneous minimum≥ 6 SUall year101
pHinstantaneous maximum≤ 9 SUall year101
Cyanide, total [as CN]annual average≤ .65 mg/Lall year101
Cyanide, total [as CN]daily maximum≤ 1.2 mg/Lall year101
Cadmium, total [as Cd]monthly average≤ .26 mg/Lall year101
Cadmium, total [as Cd]daily maximum≤ .69 mg/Lall year101
Chromium, total [as Cr]monthly average≤ 1.71 mg/Lall year101
Chromium, total [as Cr]daily maximum≤ 2.77 mg/Lall year101
Copper, total [as Cu]monthly average≤ 2.07 mg/Lall year101
Copper, total [as Cu]daily maximum≤ 3.38 mg/Lall year101
Nickel, total [as Ni]monthly average≤ 2.38 mg/Lall year101
Nickel, total [as Ni]daily maximum≤ 3.98 mg/Lall year101
Silver, total [as Ag]monthly average≤ .24 mg/Lall year101
Silver, total [as Ag]daily maximum≤ .43 mg/Lall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Organics, total toxic [TTO]daily maximum≤ 2.13 mg/Lall year101

How strict are these limits?

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

Same industry: the 3 Executive, Legislative and General Government permits in Pennsylvania.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0010987 · MCP: https://passage-data.com/mcp