US FISH AND WILDLIFE SERVICE-GREERS FERRY NATL FISH HATCHERY

NPDES permit AR0029181 · Minor FEDERAL · administratively continued, expires 2025-06-30 · 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.

This permit expired on 2025-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 13 forms filed late

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

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among AR permits in EPA's filings — check your permit).

Limits in force (27)

OutfallParameterStatisticLimitMonths
SUMOxygen, dissolved [DO]INST MIN >= 5 mg/L all year
SUMpHMINIMUM >= 6 SU all year
SUMpHMAXIMUM <= 9 SU all year
SUMSolids, total suspendedMO AVG <= 20 mg/L all year
SUMSolids, total suspendedDAILY MX <= 30 mg/L all year
SUMSolids, total suspendedMO AVG <= 2808.7 lb/d all year
SUMSolids, total suspendedDAILY MX <= 4213.1 lb/d all year
SUMNitrogen, ammonia total [as N]MO AVG <= 10 mg/L all year
SUMNitrogen, ammonia total [as N]DAILY MX <= 15 mg/L all year
SUMNitrogen, ammonia total [as N]MO AVG <= 1404.4 lb/d all year
SUMNitrogen, ammonia total [as N]DAILY MX <= 2106.6 lb/d all year
SUMFlow, in conduit or thru treatment plantMO AVG report only all year
SUMFlow, in conduit or thru treatment plantDAILY MX report only all year
SUMBOD, carbonaceous [5 day, 20 C]MO AVG <= 20 mg/L all year
SUMBOD, carbonaceous [5 day, 20 C]DAILY MX <= 30 mg/L all year
SUMBOD, carbonaceous [5 day, 20 C]MO AVG <= 2808.7 lb/d all year
SUMBOD, carbonaceous [5 day, 20 C]DAILY MX <= 4213.1 lb/d all year
TXSPass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TXSPass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TXSLow Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TXSLow Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TXSNOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TXSNOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TXSNOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TXSNOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TXSCoef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TXSCoef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only 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