Unified Government of Athens-Clarke County

NPDES permit GA0021733 · Major POTW · effective, expires 2031-01-31 · 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
4required values missing, on 1 form(s)
1of 12 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (40)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 10 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 15 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 834 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 1043 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedWKLY AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 1668 lb/d all year
001Solids, total suspendedWKLY AVG <= 2085 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, organic total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 3 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 167 lb/d all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 209 lb/d all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]WKLY AVG <= 1.5 mg/L all year
001Phosphorus, total [as P]MO AVG <= 83 lb/d all year
001Phosphorus, total [as P]WKLY AVG <= 104 lb/d all year
001Phosphate, ortho [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 10 MGD all year
001Flow, in conduit or thru treatment plantWKLY AVG <= 12.5 MGD all year
001Chlorine, total residualMAXIMUM <= .03 mg/L all year
001E. coliMOAV GEO <= 126 #/100mL all year
001E. coliWE <= 410 #/100mL all year
001Solids, sludge, total, dry weightMO TOTAL report only all year
001BOD, 5-day, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM >= 85 % all year
001NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
001NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM report only all year
001NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
001NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM 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