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U.S. Department of Interior

Federal facility (Animal Aquaculture), Warm Springs, Oregon. NPDES permit OR0054917 expired Feb 29, 2024; its limits still apply. Last 12 months: no values over a limit, 110 required values missing, 13 of 44 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (13 values), outfall 001 form Q quarterly (2 values), outfall 002 form A monthly (6 values), outfall 002 form Q quarterly (3 values), outfall 003 form A monthly (4 values), outfall REC form Q quarterly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 211 required values missing, 28 of 48 reports late

Limits in force (32)

ParameterStatisticLimitMonthsOutfall
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedinstantaneous maximumreport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedinstantaneous maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 5 mg/Lall year001
Solids, total suspendedinstantaneous maximum≤ 15 mg/Lall year001
Solids, settleablemonthly averagereport only (mL/L)all year001
Solids, settleablemonthly averagereport only (mL/L)all year001
Solids, settleablemonthly average≤ .1 mL/Lall year001
Floating solids, waste or visible foam-visualmonthly maximum≤ 0 N=0;Y=1all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year001
Chlorine, total residualmonthly average≤ 50 ug/Lall year001
Chlorine, total residualmonthly average≤ 50 ug/Lall year001
Chlorine, total residualdaily maximum≤ 50 ug/Lall year001
Chlorine, total residualdaily maximum≤ 50 ug/Lall year001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year002
Temperature, water deg. centigradedaily maximumreport only (deg C)all year002
pHinstantaneous minimumreport only (SU)all year002
pHinstantaneous maximumreport only (SU)all year002
Solids, total suspendeddaily maximum≤ 100 mg/Lall year002
Solids, settleabledaily maximum≤ 1 mL/Lall year002
Nitrogen, ammonia total [as N]instantaneous maximumreport only (mg/L)all year002
Floating solids, waste or visible foam-visualmonthly maximum≤ 0 N=0;Y=1all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year002
Solids, total suspendeddaily maximum≤ 100 mg/Lall year003
Solids, settleabledaily maximum≤ 1 mL/Lall year003
Chlorine, total residualmonthly average≤ 50 ug/Lall year003
Chlorine, total residualdaily maximum≤ 50 ug/Lall year003
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all yearREC
pHinstantaneous minimumreport only (SU)all yearREC
pHinstantaneous maximumreport only (SU)all yearREC
Nitrogen, ammonia total [as N]instantaneous maximumreport only (mg/L)all yearREC

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OR0054917 · MCP: https://passage-data.com/mcp