Calhoun, City of

NPDES permit GA0030333 · Major POTW · effective, expires 2028-08-31 · 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
0required values missing, on 0 form(s)
1of 11 forms filed late

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

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 (61)

OutfallParameterStatisticLimitMonths
0001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L Jun, Jul, Aug, Sep
0001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001BOD, 5-day, 20 deg. CMO AVG <= 10 mg/L Jun, Jul, Aug, Sep
0001BOD, 5-day, 20 deg. CWKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001BOD, 5-day, 20 deg. CWKLY AVG <= 15 mg/L Jun, Jul, Aug, Sep
0001BOD, 5-day, 20 deg. CMO AVG <= 2669 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001BOD, 5-day, 20 deg. CMO AVG <= 1334 lb/d Jun, Jul, Aug, Sep
0001BOD, 5-day, 20 deg. CWKLY AVG <= 3336 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001BOD, 5-day, 20 deg. CWKLY AVG <= 1668 lb/d Jun, Jul, Aug, Sep
0001BOD, 5-day, 20 deg. CMO AVG report only all year
0001BOD, 5-day, 20 deg. CWKLY AVG report only all year
0001BOD, 5-day, 20 deg. CMO AVG report only all year
0001BOD, 5-day, 20 deg. CWKLY AVG report only all year
0001pHMINIMUM >= 6 SU all year
0001pHMAXIMUM <= 9 SU all year
0001Solids, total suspendedMO AVG <= 20 mg/L Jun, Jul, Aug, Sep
0001Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001Solids, total suspendedWKLY AVG <= 30 mg/L Jun, Jul, Aug, Sep
0001Solids, total suspendedWKLY AVG <= 45 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001Solids, total suspendedMO AVG <= 2669 lb/d Jun, Jul, Aug, Sep
0001Solids, total suspendedMO AVG <= 4003 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001Solids, total suspendedWKLY AVG <= 3336 lb/d Jun, Jul, Aug, Sep
0001Solids, total suspendedWKLY AVG <= 5004 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001Solids, total suspendedMO AVG report only all year
0001Solids, total suspendedWKLY AVG report only all year
0001Solids, total suspendedMO AVG report only all year
0001Solids, total suspendedWKLY AVG report only all year
0001Nitrogen, total [as N]MO AVG report only all year
0001Nitrogen, organic total [as N]MO AVG report only all year
0001Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L Jun, Jul, Aug, Sep
0001Nitrogen, ammonia total [as N]WKLY AVG <= 7.5 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001Nitrogen, ammonia total [as N]WKLY AVG <= 3 mg/L Jun, Jul, Aug, Sep
0001Nitrogen, ammonia total [as N]MO AVG <= 667 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001Nitrogen, ammonia total [as N]MO AVG <= 267 lb/d Jun, Jul, Aug, Sep
0001Nitrogen, ammonia total [as N]WKLY AVG <= 834 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
0001Nitrogen, ammonia total [as N]WKLY AVG <= 336 lb/d Jun, Jul, Aug, Sep
0001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
0001Nitrite + Nitrate total [as N]MO AVG report only all year
0001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
0001Phosphorus, total [as P]WKLY AVG <= 1.5 mg/L all year
0001Phosphorus, total [as P]MO AVG <= 133 lb/d all year
0001Phosphorus, total [as P]WKLY AVG <= 167 lb/d all year
0001Color [admi units]MINIMUM report only all year
0001Color [admi units]MAXIMUM report only all year
0001Phosphate, ortho [as P]MO AVG report only all year
0001Flow, in conduit or thru treatment plantMO AVG <= 16 MGD all year
0001Flow, in conduit or thru treatment plantWKLY AVG <= 20 MGD all year
0001Chlorine, total residualDAILY MX <= .15 mg/L all year
0001E. coliMOAV GEO <= 126 #/100mL all year
0001E. coliWE <= 410 #/100mL all year
0001Coliform, fecal generalMO GEO <= 200 #/100mL all year
0001Coliform, fecal generalWB <= 400 #/100mL all year
0001Solids, sludge, total, dry weightMO TOTAL report only all year
0001BOD, 5-day, percent removalMINIMUM >= 85 % all year
0001Solids, suspended percent removalMINIMUM >= 85 % all year
0001NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
0001NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM report only all year
0001NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
0001NOEC 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