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Metlakatla Indian Community

Fish Hatcheries And Preserves, Metlakatla Indian Community, Alaska. NPDES permit AK0028525 expired Nov 30, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (15 values), outfall 001 form Q quarterly (2 values), outfall REC form Q quarterly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 20 reports late

Limits in force (21)

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, total suspendeddaily maximum≤ 100 mg/Lall year001
Solids, settleablemonthly averagereport only (mL/L)all year001
Solids, settleablemonthly averagereport only (mL/L)all year001
Solids, settleablemonthly averagereport only (mL/L)all year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year001
Flow, in conduit or thru treatment plantmonthly maximumreport only (gal/d)all year001
Chlorine, total residualmonthly average≤ 50 ug/Lall year001
Chlorine, total residualdaily maximum≤ 50 ug/Lall year001
Chlorine, total residualmonthly average≤ 50 ug/Lall year001
Chlorine, total residualdaily maximum≤ 50 ug/Lall year001
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: Alaska'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/AK0028525 · MCP: https://passage-data.com/mcp