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Petersburg, City of

Sewage treatment plant, major discharger, Petersburg, Alaska. NPDES permit AK0021458, in force until Oct 31, 2030. Last 12 months: over a limit 3 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form Q quarterly (8 values), form S quarterly (5 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025Coliform, fecal, colony forming units, instantaneous maximum1299700 CFU/100mL≤ 1063000 CFU/100mL22%
August 2026Solids, total suspended, monthly average68 mg/L≤ 64 mg/L6%
September 2026Coliform, fecal, colony forming units, instantaneous maximum1413600 CFU/100mL≤ 1063000 CFU/100mL33%

Limits in force (13)

ParameterStatisticLimitMonths
Zinc, total recoverablemonthly averagereport only (ug/L)all year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverablemonthly averagereport only (lb/d)all year
Zinc, total recoverabledaily maximumreport only (lb/d)all year
Copper, total recoverablemonthly averagereport only (ug/L)all year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverablemonthly averagereport only (lb/d)all year
Copper, total recoverabledaily maximumreport only (lb/d)all year
PER-AND POLYFLUOROALKYL SUBSTANCESmonthly averagereport only (ug/L)all year
PER-AND POLYFLUOROALKYL SUBSTANCESdaily maximumreport only (ug/L)all year
PER-AND POLYFLUOROALKYL SUBSTANCESmonthly averagereport only (ug/L)all year
PER-AND POLYFLUOROALKYL SUBSTANCESdaily maximumreport only (ug/L)all year
PER-AND POLYFLUOROALKYL SUBSTANCESdaily maximumreport only (mg/kg)all year

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/AK0021458 · MCP: https://passage-data.com/mcp