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Dworshak Reservior - Usacoe

Federal facility (Tanks And Tank Components), Ahsahka, Idaho. NPDES permit ID0028444 expired Sep 30, 2016; its limits still apply. Last 12 months: no values over a limit, 1 of 6 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form A monthly (32 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 6 reports late

Limits in force (32)

ParameterStatisticLimitMonths
Flow, gallons/batchmonthly averagereport only (gal/bat)Apr–Sep
Flow, gallons/batchweekly maximum≤ 3100 gal/batApr–Sep
Flow, gallons/batchmonthly averagereport only (gal/bat)Apr–Sep
Flow, gallons/batchweekly maximumreport only (gal/bat)Apr–Sep
Flow, gallons/batchmonthly averagereport only (gal/bat)Apr–Sep
Flow, gallons/batchweekly maximumreport only (gal/bat)Apr–Sep
Flow, gallons/batchmonthly averagereport only (gal/bat)Apr–Sep
Flow, gallons/batchweekly maximumreport only (gal/bat)Apr–Sep
Nitrogen, total [as N]monthly averagereport only (lb/wk)Apr–Sep
Nitrogen, total [as N]weekly maximum≤ 11000 lb/wkApr–Sep
Nitrogen, total [as N]monthly averagereport only (lb/wk)Apr–Sep
Nitrogen, total [as N]weekly maximumreport only (lb/wk)Apr–Sep
Nitrogen, total [as N]monthly averagereport only (lb/wk)Apr–Sep
Nitrogen, total [as N]weekly maximumreport only (lb/wk)Apr–Sep
Nitrogen, total [as N]monthly averagereport only (lb/wk)Apr–Sep
Nitrogen, total [as N]weekly maximumreport only (lb/wk)Apr–Sep
Nitrogen, total [as N]monthly averagereport only (ug/L)Apr–Sep
Nitrogen, total [as N]weekly maximumreport only (ug/L)Apr–Sep
Nitrogen, ammonia total [as N]monthly averagereport only (lb/wk)Apr–Sep
Nitrogen, ammonia total [as N]weekly maximumreport only (lb/wk)Apr–Sep
Nitrogen, ammonia total [as N]monthly averagereport only (lb/wk)Apr–Sep
Nitrogen, ammonia total [as N]weekly maximumreport only (lb/wk)Apr–Sep
Nitrogen, ammonia total [as N]monthly averagereport only (lb/wk)Apr–Sep
Nitrogen, ammonia total [as N]weekly maximumreport only (lb/wk)Apr–Sep
Nitrite + Nitrate total [as N]monthly averagereport only (lb/wk)Apr–Sep
Nitrite + Nitrate total [as N]weekly maximumreport only (lb/wk)Apr–Sep
Nitrite + Nitrate total [as N]monthly averagereport only (lb/wk)Apr–Sep
Nitrite + Nitrate total [as N]weekly maximumreport only (lb/wk)Apr–Sep
Nitrite + Nitrate total [as N]monthly averagereport only (lb/wk)Apr–Sep
Nitrite + Nitrate total [as N]weekly maximumreport only (lb/wk)Apr–Sep
Effluent dilution ratioweekly minimumreport only (Ratio)Apr–Sep
Effluent dilution ratiomonthly averagereport only (Ratio)Apr–Sep

Cited limits by parameter: Idaho's rules and 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/ID0028444 · MCP: https://passage-data.com/mcp