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Gas Transmission And Distribution, Six Lakes, Michigan. NPDES permit MI0003662, in force until Oct 1, 2028. Last 12 months: over a limit once (last August 2026), 3 of 36 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| August 2026 | pH, daily maximum | 14 | ≤ 9 SU |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | IN1 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | IN1 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | IN1 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | IN1 |
| Cooling Water Intake Velocity | daily maximum | = .5 ft/sec | all year | IN1 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | IN2 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | IN2 |
Cited limits by parameter: Michigan'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/MI0003662 · MCP: https://passage-data.com/mcp