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Jackson National Fish Hatchery

Federal facility, Jackson, Wyoming. NPDES permit WY0097021, in force until Aug 31, 2029. Last 12 months: no values over a limit, 6 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form MQ quarterly (26 values), form SA yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 69 required values missing, 5 of 9 reports late

Limits in force (30)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHinstantaneous minimum≥ 6.5 SUall year
pHinstantaneous minimum≥ 6.5 SUall year
pHinstantaneous maximum≤ 9 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly average≤ 2281.3 kg/dall year
Solids, total suspendedmonthly average≤ 2281.3 kg/dall year
Solids, total suspendedweekly average≤ 525 kg/dall year
Solids, total suspendedweekly average≤ 525 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly average≤ 571.5 kg/dall year
Solids, total suspendedmonthly average≤ 571.5 kg/dall year
Solids, total suspendedweekly average≤ 131.5 kg/dall year
Solids, total suspendedweekly average≤ 131.5 kg/dall year
Solids, settleablemonthly averagereport only (mg/L)all year
Solids, settleablemonthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Durationmonthly totalreport only (d/mo)all year
Durationmonthly totalreport only (d/mo)all year
Nitrogen, Ammonia Totalmonthly averagereport only (mg/L)all year
Flowmonthly averagereport only (MGD)all year
Flowmonthly averagereport only (MGD)all year

How strict are these limits?

Cited limits by parameter: Wyoming'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/WY0097021 · MCP: https://passage-data.com/mcp