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Wei Ying Wong

Noncommercial Research Organizations, Seward, Alaska. NPDES permit AK0052566, in force until Jun 30, 2030. Last 12 months: over a limit 6 times (last September 2026), 5 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form AM monthly (8 values), form AQ quarterly (4 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 8 values over a limit, 0 required values missing, 7 of 13 reports late

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

Period ending	Parameter	Reported	Limit	Over by
December 2025	Coliform, fecal MF, MFC broth, 44.5 C, daily maximum	271 #/100mL	≤ 43 #/100mL	530%
December 2025	Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean	271 #/100mL	≤ 14 #/100mL	1836%
March 2026	Enterococci, daily maximum	164 CFU/100mL	≤ 130 CFU/100mL	26%
March 2026	Enterococci, monthly average	164 CFU/100mL	≤ 35 CFU/100mL	369%
September 2026	Enterococci, daily maximum	659 CFU/100mL	≤ 130 CFU/100mL	407%
September 2026	Enterococci, monthly average	220 CFU/100mL	≤ 35 CFU/100mL	529%

Limits in force (12)

Parameter	Statistic	Limit	Months
Temperature, water deg. centigrade	daily maximum	report only (deg C)	all year
Oxygen, dissolved [DO]	daily minimum	report only (mg/L)	all year
Oxygen, dissolved [DO]	daily maximum	report only (mg/L)	all year
pH	instantaneous minimum	≥ 6.5 SU	all year
pH	instantaneous maximum	≤ 8.5 SU	all year
Coliform, fecal MF, MFC broth, 44.5 C	monthly geometric mean	≤ 14 #/100mL	all year
Coliform, fecal MF, MFC broth, 44.5 C	daily maximum	≤ 43 #/100mL	all year
Flow, in conduit or thru treatment plant	monthly average	≤ 8.1 MGD	all year
Flow, in conduit or thru treatment plant	daily maximum	≤ 8.1 MGD	all year
Flow, in conduit or thru treatment plant	weekly average	report only (MGD)	all year
Enterococci	monthly average	≤ 35 CFU/100mL	all year
Enterococci	daily maximum	≤ 130 CFU/100mL	all year

How strict are these limits?

Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean 14 #/100mL — stricter than 99% of 351 other minor industrial and other permits nationwide
Coliform, fecal MF, MFC broth, 44.5 C, daily maximum 43 #/100mL — stricter than 96% of 359 other minor industrial and other permits nationwide
pH, instantaneous maximum 8.5 SU — stricter than 95% of 3,819 other minor industrial and other permits nationwide; 4% have the same limit

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

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Your permit document is the final word. As JSON: /api/v1/permits/AK0052566 · MCP: https://passage-data.com/mcp