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Entergy Mississippi LLC, Vicksburg Advanced Power Station (VAPS)

Electric Services, Vicksburg, Mississippi. NPDES permit MSP092485, in force until Apr 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form A monthly (5 values)
Last report on file: August 2026

Limits in force (5)

Parameter	Statistic	Limit	Months
Temperature, water deg. fahrenheit	daily maximum	report only (deg F)	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year

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

Same industry: the 20 Electric Services permits in Mississippi.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MSP092485 · MCP: https://passage-data.com/mcp