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Whittier, City of

Sewage treatment plant, Whittier, Alaska. NPDES permit AK0025402 expired Dec 27, 1988; its limits still apply. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (8 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 6 reports late

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

Period endingParameterReportedLimitOver by
June 2026BOD, 5-day, 20 deg. C, 30-day average222 mg/L≤ 175 mg/L27%

Limits in force (8)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. C30-day average≤ 175 mg/LApr–Sep
BOD, 5-day, 20 deg. C30-day average≤ 117 lb/dApr–Sep
pHminimum≥ 6 SUApr–Sep
pHmaximum≤ 9 SUApr–Sep
Solids, total suspended30-day average≤ 165 mg/LApr–Sep
Solids, total suspended30-day average≤ 110 lb/dApr–Sep
Solids, settleable30-day averagereport only (mL/L)Apr–Sep
Flow, in conduit or thru treatment plant30-day average≤ .08 MGDApr–Sep

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AK0025402 · MCP: https://passage-data.com/mcp