Passage Data · Check a report · Use it from your AI

Tva Magnolia Combined Cycle

Federal facility (Electric Services), major discharger, Ashland, Mississippi. NPDES permit MS0056995, in force until Apr 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (8 values), outfall 101 form A monthly (8 values), outfall 101 form Q quarterly (8 values), outfall 102 form A monthly (10 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 40 reports late

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Solids, total suspendeddaily maximumreport only (lb/d)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Temperature, summer [deg. F]daily maximumreport only (deg F)May–Nov001
Temperature, winter [deg. F]daily maximumreport only (deg F)Jan, Feb, Mar, Apr, Dec001
Zinc, total recoverablemonthly average≤ 1 mg/Lall year101
Zinc, total recoverabledaily maximum≤ 1 mg/Lall year101
Zinc, total recoverablemonthly average≤ 4.98 lb/dall year101
Zinc, total recoverabledaily maximum≤ 4.98 lb/dall year101
Chromium, total recoverablemonthly average≤ .2 mg/Lall year101
Chromium, total recoverabledaily maximum≤ .2 mg/Lall year101
Chromium, total recoverablemonthly average≤ 1 lb/dall year101
Chromium, total recoverabledaily maximum≤ 1 lb/dall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Chlorine, free availablemonthly average≤ .2 mg/Lall year101
Chlorine, free availabledaily maximum≤ .5 mg/Lall year101
Chlorine, free availablemonthly average≤ 1 lb/dall year101
Chlorine, free availabledaily maximum≤ 2.49 lb/dall year101
Chlorination durationmonthly averagereport only (min)all year101
Chlorination durationdaily maximum≤ 120 minall year101
Solids, total suspendedmonthly average≤ 30 mg/Lall year102
Solids, total suspendeddaily maximum≤ 100 mg/Lall year102
Solids, total suspendedmonthly average≤ 21.27 lb/dall year102
Solids, total suspendeddaily maximum≤ 70.89 lb/dall year102
Oil & Greasemonthly average≤ 15 mg/Lall year102
Oil & Greasedaily maximum≤ 20 mg/Lall year102
Oil & Greasemonthly average≤ 10.63 lb/dall year102
Oil & Greasedaily maximum≤ 14.8 lb/dall year102
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year102
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year102

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

Same industry: the 20 Electric Services permits in Mississippi.

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0056995 · MCP: https://passage-data.com/mcp