Passage Data · Check a report · Use it from your AI

Doug Schoessler - City of Seward

Sewage treatment plant, Seward, Alaska. NPDES permit AK0053724, in force until Apr 30, 2027. Last 12 months: over a limit 20 times (last September 2026), 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form AM monthly (35 values), form AQ quarterly (1 value)
Renewal application due
Nov 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
27 values over a limit, 0 required values missing, 0 of 16 reports late

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

All 20 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average28 mg/L≤ 25 mg/L12%
October 2025Nitrogen, ammonia total [as N], monthly average19.2 mg/L≤ 15 mg/L28%
November 2025BOD, carb-5 day, 20 deg C, percent removal, minimum63 %≥ 85 %147%
November 2025Nitrogen, ammonia total [as N], monthly average19 mg/L≤ 15 mg/L27%
December 2025BOD, carb-5 day, 20 deg C, percent removal, minimum75 %≥ 85 %67%
December 2025Nitrogen, ammonia total [as N], monthly average23 mg/L≤ 15 mg/L53%
January 2026Nitrogen, ammonia total [as N], monthly average25 mg/L≤ 15 mg/L67%
February 2026BOD, carb-5 day, 20 deg C, percent removal, minimum80 %≥ 85 %33%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average33 mg/L≤ 25 mg/L32%
February 2026Flow, in conduit or thru treatment plant, daily maximum.316 MGD≤ .195 MGD62%
February 2026Nitrogen, ammonia total [as N], monthly average19 mg/L≤ 15 mg/L27%
March 2026Nitrogen, ammonia total [as N], monthly average20.5 mg/L≤ 15 mg/L37%
April 2026Nitrogen, ammonia total [as N], monthly average24.6 mg/L≤ 15 mg/L64%
May 2026BOD, carb-5 day, 20 deg C, percent removal, minimum77 %≥ 85 %53%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average28 mg/L≤ 25 mg/L12%
May 2026Nitrogen, ammonia total [as N], monthly average18.2 mg/L≤ 15 mg/L21%
June 2026Nitrogen, ammonia total [as N], monthly average21.5 mg/L≤ 15 mg/L43%
July 2026Nitrogen, ammonia total [as N], monthly average20.6 mg/L≤ 15 mg/L37%
August 2026Nitrogen, ammonia total [as N], monthly average15.8 mg/L≤ 15 mg/L5%
September 2026Nitrogen, ammonia total [as N], monthly average17.1 mg/L≤ 15 mg/L14%

Limits in force (36)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
Oxygen, dissolved [DO]daily maximum≤ 17 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHinstantaneous minimum≥ 6.5 SUall year
pHinstantaneous maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 73 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly average≤ 65 mg/Lall year
Solids, total suspendedweekly average≤ 106 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 35 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 24 lb/dall year
Nitrogen, ammonia total [as N]daily maximum≤ 57 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 25 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 41 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximum≤ .195 MGDall year
Chlorine, total residualmonthly average≤ .1 mg/Lall year
Chlorine, total residualdaily maximum≤ .1 mg/Lall year
Phosphorus, Totaldaily maximumreport only (mg/L)all year
Enterococcidaily maximumreport only (#/100mL)May–Sep
Coliform, fecal generalmonthly geometric mean≤ 9600 #/100mLall year
Coliform, fecal generaldaily maximum≤ 29000 #/100mLall year
Coliform, fecal generalweekly average≤ 14000 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 55 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 41 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 89 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 65 lb/dall year
BOD, carb-5 day, 20 deg C, percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimum≥ 65 %all year

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AK0053724 · MCP: https://passage-data.com/mcp