GRP Madison Renewable Energy Facility, LLC

NPDES permit GA0050283 · Minor NON-POTW · effective, expires 2027-02-28 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among GA permits in EPA's filings — check your permit).

Limits in force (56)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Oil & GreaseDAILY AV <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Phosphorus, total [as P]DAILY AV <= 1 mg/L all year
001Phosphorus, total [as P]DAILY MX <= 1.5 mg/L all year
001Copper, total [as Cu]DAILY AV report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Nickel, total [as Ni]DAILY AV report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Zinc, total [as Zn]DAILY AV report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Phosphate, ortho [as P]DAILY AV report only all year
001Phosphate, ortho [as P]DAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
002Temperature, water deg. fahrenheitDAILY AV report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Solids, total suspendedDAILY AV <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 100 mg/L all year
002Oil & GreaseDAILY AV <= 15 mg/L all year
002Oil & GreaseDAILY MX <= 20 mg/L all year
002Phosphorus, total [as P]DAILY AV <= 1 mg/L all year
002Phosphorus, total [as P]DAILY MX <= 1.5 mg/L all year
002Cyanide, free [as free]DAILY AV <= .005 mg/L all year
002Cyanide, free [as free]DAILY MX <= .008 mg/L all year
002Cyanide, free [as free]DAILY AV <= .043 lb/d all year
002Cyanide, free [as free]DAILY MX <= .065 lb/d all year
002Copper, total [as Cu]DAILY AV <= .007 mg/L all year
002Copper, total [as Cu]DAILY MX <= .009 mg/L all year
002Copper, total [as Cu]DAILY AV <= .011 lb/d all year
002Copper, total [as Cu]DAILY MX <= .014 lb/d all year
002Zinc, total [as Zn]DAILY AV <= .114 mg/L all year
002Zinc, total [as Zn]DAILY MX <= .114 mg/L all year
002Zinc, total [as Zn]DAILY AV <= .18 lb/d all year
002Zinc, total [as Zn]DAILY MX <= .18 lb/d all year
002Phosphate, ortho [as P]DAILY AV report only all year
002Phosphate, ortho [as P]DAILY MX report only all year
002ChloroformDAILY AV <= .471 mg/L all year
002ChloroformDAILY MX <= .706 mg/L all year
002ChloroformDAILY AV <= 3.93 lb/d all year
002ChloroformDAILY MX <= 5.85 lb/d all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
002Noel Statre 7Day Chronic PimephalesMINIMUM report only all year
002AChromium, total [as Cr]DAILY AV <= .2 mg/L all year
002AChromium, total [as Cr]DAILY MX <= .2 mg/L all year
002AZinc, total [as Zn]DAILY AV <= 1 mg/L all year
002AZinc, total [as Zn]DAILY MX <= 1 mg/L all year
002AFlow, in conduit or thru treatment plantDAILY AV report only all year
002AFlow, in conduit or thru treatment plantDAILY MX report only all year
002AChlorine, free availableDAILY AV <= 1 mg/L all year
002AChlorine, free availableDAILY MX <= 1 mg/L all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states