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GRP Madison Renewable Energy Facility, LLC

Electric Services, Colbert, Georgia. NPDES permit GA0050283, in force until Feb 28, 2027. Last 12 months: over a limit once (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: outfall 001 form 1 monthly (16 values), outfall 002 form 1 monthly (32 values), outfall 002A form 1 monthly (8 values)
Renewal application due
Sep 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 36 reports late

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

Period endingParameterReportedLimitOver by
September 2026Solids, total suspended, daily maximum130 mg/L≤ 100 mg/L30%

Limits in force (56)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year001
pHmaximum≤ 8.5 SUall year001
Oil & Greasedaily average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Phosphorus, total [as P]daily average≤ 1 mg/Lall year001
Phosphorus, total [as P]daily maximum≤ 1.5 mg/Lall year001
Copper, total [as Cu]daily averagereport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily averagereport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily averagereport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Phosphate, ortho [as P]daily averagereport only (mg/L)all year001
Phosphate, ortho [as P]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year002
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 8.5 SUall year002
Solids, total suspendeddaily average≤ 30 mg/Lall year002
Solids, total suspendeddaily maximum≤ 100 mg/Lall year002
Oil & Greasedaily average≤ 15 mg/Lall year002
Oil & Greasedaily maximum≤ 20 mg/Lall year002
Phosphorus, total [as P]daily average≤ 1 mg/Lall year002
Phosphorus, total [as P]daily maximum≤ 1.5 mg/Lall year002
Cyanide, free [as free]daily average≤ .005 mg/Lall year002
Cyanide, free [as free]daily maximum≤ .008 mg/Lall year002
Cyanide, free [as free]daily average≤ .043 lb/dall year002
Cyanide, free [as free]daily maximum≤ .065 lb/dall year002
Copper, total [as Cu]daily average≤ .007 mg/Lall year002
Copper, total [as Cu]daily maximum≤ .009 mg/Lall year002
Copper, total [as Cu]daily average≤ .011 lb/dall year002
Copper, total [as Cu]daily maximum≤ .014 lb/dall year002
Zinc, total [as Zn]daily average≤ .114 mg/Lall year002
Zinc, total [as Zn]daily maximum≤ .114 mg/Lall year002
Zinc, total [as Zn]daily average≤ .18 lb/dall year002
Zinc, total [as Zn]daily maximum≤ .18 lb/dall year002
Phosphate, ortho [as P]daily averagereport only (mg/L)all year002
Phosphate, ortho [as P]daily maximumreport only (mg/L)all year002
Chloroformdaily average≤ .471 mg/Lall year002
Chloroformdaily maximum≤ .706 mg/Lall year002
Chloroformdaily average≤ 3.93 lb/dall year002
Chloroformdaily maximum≤ 5.85 lb/dall year002
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaminimumreport only (%)all year002
Noel Statre 7Day Chronic Pimephalesminimumreport only (%)all year002
Chromium, total [as Cr]daily average≤ .2 mg/Lall year002A
Chromium, total [as Cr]daily maximum≤ .2 mg/Lall year002A
Zinc, total [as Zn]daily average≤ 1 mg/Lall year002A
Zinc, total [as Zn]daily maximum≤ 1 mg/Lall year002A
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year002A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002A
Chlorine, free availabledaily average≤ 1 mg/Lall year002A
Chlorine, free availabledaily maximum≤ 1 mg/Lall year002A

How strict are these limits?

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

Same industry: the 31 Electric Services permits in Georgia.

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/GA0050283 · MCP: https://passage-data.com/mcp