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Luke Saugier - Hilcorp Alaska LLC

Crude Petroleum And Natural Gas, North Slope, Alaska. NPDES permit AK0053694 expired Jul 31, 2024; its limits still apply. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (13 values), form B monthly (8 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimit
March 2026pH, daily minimum5.8 SU≥ 6.5 SU

Limits in force (21)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 60 mg/Lall year
pHdaily minimum≥ 6.5 SUall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 8.5 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverablemonthly average≤ 4.7 ug/Lall year
Copper, total recoverablemonthly average≤ 135 ug/Lall year
Copper, total recoverabledaily maximum≤ 9.5 ug/Lall year
Copper, total recoverabledaily maximum≤ 270 ug/Lall year
Enterococcidaily maximumreport only (CFU/100mL)all year
Coliform, fecal generaldaily maximumreport only (#/100mL)all year
Flowmonthly averagereport only (MGD)all year
Flowmonthly average≤ .011 MGDall year
Flowdaily maximumreport only (MGD)all year
Flowdaily maximum≤ .022 MGDall year

How strict are these limits?

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

Same industry: the 11 Oil and Gas Extraction permits in Alaska.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AK0053694 · MCP: https://passage-data.com/mcp