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Seward (T) Sewer District

Sewage treatment plant, Seward, New York. NPDES permit NY0212199, in force until Nov 30, 2029. Last 12 months: over a limit 8 times (last September 2026), 9 required values missing, 2 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form M monthly (5 values), form Q quarterly (4 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 7 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period ending	Parameter	Reported	Limit	Over by
December 2025	BOD, 5-day, 20 deg. C, daily maximum	22 mg/L	≤ 5 mg/L	340%
December 2025	Nitrogen, ammonia total [as N], daily maximum	28.1 mg/L	≤ 9 mg/L	212%
December 2025	Solids, total suspended, daily maximum	14 mg/L	≤ 10 mg/L	40%
March 2026	BOD, 5-day, 20 deg. C, daily maximum	8 mg/L	≤ 5 mg/L	60%
March 2026	Nitrogen, ammonia total [as N], daily maximum	9.4 mg/L	≤ 9 mg/L	4%
June 2026	BOD, 5-day, 20 deg. C, daily maximum	47 mg/L	≤ 45 mg/L	840%
June 2026	Nitrogen, ammonia total [as N], daily maximum	50.2 mg/L	≤ 30 mg/L	67%
September 2026	Nitrogen, ammonia total [as N], daily maximum	32.5 mg/L	≤ 30 mg/L	8%

Limits in force (13)

Parameter	Statistic	Limit	Months
Temperature, water deg. centigrade	instantaneous maximum	report only (deg C)	all year
Oxygen, dissolved [DO]	daily minimum	≥ 7 mg/L	all year
Oxygen, dissolved [DO]	daily minimum	≥ 2 mg/L	all year
BOD, 5-day, 20 deg. C	daily maximum	≤ 5 mg/L	all year
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	daily maximum	≤ 10 mg/L	all year
Solids, total suspended	daily maximum	≤ 20 mg/L	all year
Solids, settleable	daily maximum	≤ .1 mL/L	all year
Nitrogen, ammonia total [as N]	daily maximum	≤ 9 mg/L	all year
Nitrogen, ammonia total [as N]	daily maximum	≤ 30 mg/L	all year
Flow, in conduit or thru treatment plant	monthly average	≤ .016 MGD	all year

How strict are these limits?

Solids, settleable, daily maximum .1 mL/L — stricter than 52% of 344 other minor POTWs in New York; 48% have the same limit
BOD, 5-day, 20 deg. C, daily maximum 5 mg/L — stricter than 36% of 33 other minor POTWs in New York; 64% have the same limit
Oxygen, dissolved [DO], daily minimum at least 7 mg/L — stricter than 25% of 137 other minor POTWs in New York; 73% have the same limit

Cited limits by parameter: New York'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/NY0212199 · MCP: https://passage-data.com/mcp