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

Doug Schoessler - City of Seward

Sewage treatment plant, Seward, Alaska. NPDES permit AK0021890, in force until Sep 30, 2027. Last 12 months: over a limit 3 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 (36 values), form AQ quarterly (1 value)
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
July 2026Nitrogen, ammonia total [as N], monthly average24.2 mg/L≤ 23 mg/L5%
August 2026Coliform, fecal general, monthly geometric mean32300 #/100mL≤ 25000 #/100mL29%
September 2026Coliform, fecal general, monthly geometric mean34000 #/100mL≤ 25000 #/100mL36%

Limits in force (37)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
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
pHinstantaneous minimum≥ 6.5 SUall year
pHinstantaneous maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendedmonthly average≤ 220 lb/dall year
Solids, total suspendeddaily maximum≤ 440 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 330 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 23 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 47 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 168 lb/dall year
Nitrogen, ammonia total [as N]daily maximum≤ 345 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 35 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 228 lb/dall year
Flow, in conduit or thru treatment plantmonthly average≤ .88 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Phosphorus, Totaldaily maximumreport only (ug/L)all year
Enterococcidaily maximumreport only (#/100mL)May–Sep
Coliform, fecal generalmonthly geometric mean≤ 25000 #/100mLall year
Coliform, fecal generaldaily maximum≤ 50000 #/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≤ 183 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 404 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]daily maximumreport 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≤ 294 lb/dall year
BOD, carb-5 day, 20 deg C, percent removalminimumreport only (%)all year
Solids, suspended percent removalminimum≥ 85 %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/AK0021890 · MCP: https://passage-data.com/mcp