Royston, City of

NPDES permit GA0021491 · Minor POTW · administratively continued, expires 2022-09-30 · 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 2022-09-30 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 22 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 (67)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 38 kg/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 47 kg/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
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 <= 8.5 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 <= 38 kg/d all year
001Solids, total suspendedWKLY AVG <= 47 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Nitrogen, organic total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.4 mg/L Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= .7 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 1.4 mg/L Jan, Feb, Mar, Apr
001Nitrogen, ammonia total [as N]WKLY AVG <= 2.1 mg/L Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 1.1 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 2.1 mg/L Jan, Feb, Mar, Apr
001Nitrogen, ammonia total [as N]MO AVG <= 2.7 kg/d Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.3 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 2.7 kg/d Jan, Feb, Mar, Apr
001Nitrogen, ammonia total [as N]WKLY AVG <= 3.3 kg/d Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 1.7 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 3.3 kg/d Jan, Feb, Mar, Apr
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 report only all year
001Copper, total recoverableMO AVG <= 7.9 ug/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableMO AVG <= 8.3 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableMO AVG <= 8.3 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableMO AVG <= 7.9 ug/L May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableWKLY AVG <= 10.3 ug/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableWKLY AVG <= 10.8 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableWKLY AVG <= 10.8 ug/L Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableWKLY AVG <= 10.3 ug/L May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableMO AVG <= .015 kg/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableMO AVG <= .016 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableMO AVG <= .016 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableMO AVG <= .015 kg/d May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableWKLY AVG <= .019 kg/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableWKLY AVG <= .021 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableWKLY AVG <= .021 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Copper, total recoverableWKLY AVG <= .019 kg/d May, Jun, Jul, Aug, Sep, Oct
001Phosphate, ortho [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG <= .5 MGD all year
001Flow, in conduit or thru treatment plantWKLY AVG <= .625 MGD all year
001Chlorine, total residualMO AVG <= .01 mg/L all year
001Chlorine, total residualWKLY AVG <= .01 mg/L all year
001Chlorine, total residualMAXIMUM <= .01 mg/L all year
001Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
001Coliform, fecal generalWE <= 400 #/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
001NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaMINIMUM >= 96 % May, Jun, Jul, Aug, Sep, Oct
001NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaMINIMUM >= 92 % Jan, Feb, Mar, Apr, Nov, Dec
001Noel Statre 7Day Chronic PimephalesMINIMUM >= 96 % May, Jun, Jul, Aug, Sep, Oct
001Noel Statre 7Day Chronic PimephalesMINIMUM >= 92 % Jan, Feb, Mar, Apr, Nov, Dec

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