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Great Lakes Transmission

Natural Gas Transmission, Kittson County, Minnesota. NPDES permit MN0052540 expired Jun 18, 2024; its limits still apply. Last 12 months: no values over a limit, 6 of 9 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 21 days after each period: form A quarterly (16 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 12 of 12 reports late

Limits in force (16)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Oil & Greasedaily maximum≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 10 mg/Lall year
Flow, in conduit or thru treatment plantdaily maximumreport only (Mgal/mo)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (Mgal/mo)all year
Chlorine, total residualdaily maximum≤ .038 mg/Lall year
Chlorine, total residualdaily maximum≤ .038 mg/Lall year
Outfall observation,visual, y/n responsedaily maximumreport only (N=0;Y=1)all year
Outfall observation,visual, y/n responsedaily maximumreport only (N=0;Y=1)all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MN0052540 · MCP: https://passage-data.com/mcp