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Derek Bullock

Metal Mining Services, Prince Of Wales Island, Alaska. NPDES permit AK0053708, in force until May 31, 2027. Last 12 months: no values over a limit, 20 required values missing, 8 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form AM monthly (2 values), form AQ quarterly, form AR yearly
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 10 of 19 reports late

Limits in force (22)

ParameterStatisticLimitMonths
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly maximum≤ 20 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 887 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 2642 mg/Lall year
Zinc, total recoverablemonthly average≤ 750 ug/Lall year
Zinc, total recoverabledaily maximum≤ 1500 ug/Lall year
Cadmium, total recoverablemonthly average≤ 50 ug/Lall year
Cadmium, total recoverabledaily maximum≤ 100 ug/Lall year
Lead, total recoverablemonthly average≤ 300 ug/Lall year
Lead, total recoverabledaily maximum≤ 800 ug/Lall year
Copper, total recoverablemonthly average≤ 150 ug/Lall year
Copper, total recoverabledaily maximum≤ 300 ug/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year
Flow, in conduit or thru treatment plantdaily maximum≤ 300 gal/minall year
Mercury, total [as Hg]monthly average≤ 1 ug/Lall year
Mercury, total [as Hg]daily maximum≤ 2 ug/Lall year
Toxicity, Chronicdaily maximumreport only (toxic)May–Sep
Toxicity, Chronicdaily maximumreport only (toxic)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Toxicity, Chronicdaily maximumreport only (toxic)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Toxicity, Chronicdaily maximumreport only (toxic)May–Sep

How strict are these limits?

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

Same industry: the 7 Metal Mining permits in Alaska.

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/AK0053708 · MCP: https://passage-data.com/mcp