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Confederated Tribes of the Umatilla Indian Reservation

Fish Hatcheries And Preserves, Umatilla, Oregon. NPDES permit OR0044717, in force until Mar 31, 2031. Last 12 months: over a limit 2 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (10 values), outfall 001 form C monthly (2 values), outfall 001 form G monthly (4 values), outfall 001 form Q quarterly (2 values), outfall 002 form A monthly (10 values), outfall 002 form Q quarterly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 5 required values missing, 5 of 36 reports late

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

Period endingParameterReportedLimitOver by
May 2026Solids, total suspended, daily maximum17.6 mg/L≤ 10 mg/L76%
May 2026Solids, total suspended, monthly average6.18 mg/L≤ 5 mg/L24%

Limits in force (31)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Temperature, water deg. centigrademaximum 7-day averagereport only (deg C)all year001
Temperature, water deg. centigrademaximum 7-day averagereport only (deg C)all year001
pHdaily minimum≥ 6.2 SUall year001
pHdaily maximum≤ 9 SUall year001
pHmonthly maximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 5 mg/Lall year001
Solids, total suspendeddaily maximum≤ 10 mg/Lall year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, settleablemonthly average≤ .1 mL/Lall year001
Nitrogen, ammonia total [as N]quarterly 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
Excess thermal loaddaily maximumreport only (mkcal/day)Jun–Sep001
Excess thermal loadmaximum 7-day averagereport only (mkcal/day)Jun–Sep001
Excess thermal loadmaximum 7-day averagereport only (mkcal/day)Jun–Sep001
Excess thermal loadmaximum 7-day averagereport only (mkcal/day)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec001
Formaldehydequarterly maximumreport only (mg/L)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year002
Temperature, water deg. centigrademaximum 7-day averagereport only (deg C)all year002
pHdaily minimum≥ 6.2 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 5 mg/Lall year002
Solids, total suspendeddaily maximum≤ 10 mg/Lall year002
Solids, settleablemonthly average≤ .1 mL/Lall year002
Nitrogen, ammonia total [as N]quarterly maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Excess thermal loaddaily maximumreport only (mkcal/day)Jun–Sep002
Formaldehydequarterly maximumreport only (mg/L)all year002

New limits from May 1, 2030

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Excess thermal load, maximum 7-day average26.2 mkcal/day (Jun–Sep)new——
Excess thermal load, maximum 7-day average0 MBTU/d (Jun–Sep)new19.04 MBTU/d (3 values)—

How strict are these limits?

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

Same industry: the 7 Fishing, Hunting and Trapping permits in Oregon.

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/OR0044717 · MCP: https://passage-data.com/mcp