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Department of Air Force AFP 6

Federal facility (Aircraft), major discharger, Marietta, Georgia. NPDES permit GA0001198, in force until Jan 31, 2031. Last 12 months: over a limit once (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: outfall SP1 form 1 monthly (10 values), outfall SP2 form 1 monthly (10 values), outfall SP3 form 1 monthly (10 values), outfall SP4 form 1 monthly (10 values), outfall SP5 form 1 monthly (10 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 60 reports late

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

Period endingParameterReportedLimit
February 2026pH, maximum9.9 SU≤ 8.5 SU

Limits in force (50)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall yearSP1
pHmaximum≤ 8.5 SUall yearSP1
Solids, total suspendeddaily average≤ 20 mg/Lall yearSP1
Solids, total suspendeddaily maximum≤ 40 mg/Lall yearSP1
Phosphorus, total [as P]daily averagereport only (mg/L)all yearSP1
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearSP1
Phosphate, ortho [as P]daily averagereport only (mg/L)all yearSP1
Phosphate, ortho [as P]daily maximumreport only (mg/L)all yearSP1
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all yearSP1
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearSP1
pHminimum≥ 6 SUall yearSP2
pHmaximum≤ 8.5 SUall yearSP2
Solids, total suspendeddaily average≤ 20 mg/Lall yearSP2
Solids, total suspendeddaily maximum≤ 40 mg/Lall yearSP2
Phosphorus, total [as P]daily averagereport only (mg/L)all yearSP2
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearSP2
Phosphate, ortho [as P]daily averagereport only (mg/L)all yearSP2
Phosphate, ortho [as P]daily maximumreport only (mg/L)all yearSP2
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all yearSP2
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearSP2
pHminimum≥ 6 SUall yearSP3
pHmaximum≤ 8.5 SUall yearSP3
Solids, total suspendeddaily average≤ 20 mg/Lall yearSP3
Solids, total suspendeddaily maximum≤ 40 mg/Lall yearSP3
Phosphorus, total [as P]daily averagereport only (mg/L)all yearSP3
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearSP3
Phosphate, ortho [as P]daily averagereport only (mg/L)all yearSP3
Phosphate, ortho [as P]daily maximumreport only (mg/L)all yearSP3
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all yearSP3
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearSP3
pHminimum≥ 6 SUall yearSP4
pHmaximum≤ 8.5 SUall yearSP4
Solids, total suspendeddaily average≤ 20 mg/Lall yearSP4
Solids, total suspendeddaily maximum≤ 40 mg/Lall yearSP4
Phosphorus, total [as P]daily averagereport only (mg/L)all yearSP4
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearSP4
Phosphate, ortho [as P]daily averagereport only (mg/L)all yearSP4
Phosphate, ortho [as P]daily maximumreport only (mg/L)all yearSP4
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all yearSP4
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearSP4
pHminimum≥ 6 SUall yearSP5
pHmaximum≤ 8.5 SUall yearSP5
Solids, total suspendeddaily average≤ 20 mg/Lall yearSP5
Solids, total suspendeddaily maximum≤ 40 mg/Lall yearSP5
Phosphorus, total [as P]daily averagereport only (mg/L)all yearSP5
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearSP5
Phosphate, ortho [as P]daily averagereport only (mg/L)all yearSP5
Phosphate, ortho [as P]daily maximumreport only (mg/L)all yearSP5
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all yearSP5
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearSP5

How strict are these limits?

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

Same industry: the 3 Transportation Equipment permits in Georgia.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/GA0001198 · MCP: https://passage-data.com/mcp