St Johns County Utility Dept

NPDES permit FL0044253 · Minor POTW · effective, expires 2028-09-14 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 12 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among FL permits in EPA's filings — check your permit).

Limits in force (90)

OutfallParameterStatisticLimitMonths
001StreamflowMINIMUM report only all year
001Plant capacity fact. percent of capacityMO TOTAL report only all year
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001Oxygen, dissolved [DO]MO AV MN report only all year
001Oxygen, dissolved percent saturationAM >= 92 % all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMAXIMUM <= 5 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, total [as N]MAXIMUM report only all year
001Nitrogen, total [as N]MO TOTAL report only all year
001Nitrogen, total [as N]ANNL TOT <= 9010 lb/yr all year
001Nitrogen, organic total [as N]MAXIMUM report only all year
001Nitrogen, ammonia total [as N]MAXIMUM report only all year
001Nitrogen, ammonia total [as N]MAXIMUM report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 5 mg/L all year
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 7.5 mg/L all year
001Nitrogen, Kjeldahl, total [as N]MAXIMUM <= 10 mg/L all year
001Nitrogen, Kjeldahl, total [as N]ANNL AVG <= 5 mg/L all year
001Nitrite + Nitrate total [as N]MAXIMUM report only all year
001Phosphorus, total [as P]MAXIMUM report only all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Phosphorus, total [as P]ANNL TOT <= 1852 lb/yr all year
001Enterococci: group D, MF trans, M-E, EIAMO GEOMN <= 35 #/100mL all year
001Enterococci: group D, MF trans, M-E, EIA90TH % <= 130 #/100mL all year
001RainfallANNL TOT report only all year
001RainfallMO TOTAL report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantANNL AVG <= .8 MGD all year
001Flow, in conduit or thru treatment plantQTR ROLL report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantANNL AVG <= .8 MGD all year
001Chlorine, total residualMAXIMUM <= .01 mg/L all year
001Chlorine, total residualMINIMUM >= .5 mg/L all year
001Perfluorooctanoic acid (PFOA)MAXIMUM report only all year
001Perfluorobutanoic acid (PFBA)MAXIMUM report only all year
001Perfluorooctanesulfonamide (PFOSA)MAXIMUM report only all year
001Perfluoropentanoic acid (PFPeA)MAXIMUM report only all year
001Perfluorohexanoic acid (PFHxA)MAXIMUM report only all year
001Perfluoroheptanoic acid (PFHpA)MAXIMUM report only all year
001Perfluorononanoic acid (PFNA)MAXIMUM report only all year
001Perfluorodecanoic acid (PFDA)MAXIMUM report only all year
001Perfluoroundecanoic acid (PFUnA)MAXIMUM report only all year
001Perfluorododecanoic acid (PFDoA)MAXIMUM report only all year
001Perfluorotridecanoic acid (PFTrDA)MAXIMUM report only all year
001Perfluorotetradecanoic acid (PFTeDA)MAXIMUM report only all year
001N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)MAXIMUM report only all year
001N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)MAXIMUM report only all year
001N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)MAXIMUM report only all year
001N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)MAXIMUM report only all year
001Perfluorobutanesulfonic acid (PFBS)MAXIMUM report only all year
001Perfluorodecanesulfonic acid (PFDS)MAXIMUM report only all year
001Perfluoroheptanesulfonic acid (PFHpS)MAXIMUM report only all year
001Perfluorohexanesulfonic acid (PFHxS)MAXIMUM report only all year
001Perfluorooctanesulfonic acid (PFOS)MAXIMUM report only all year
0011H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)MAXIMUM report only all year
0011H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)MAXIMUM report only all year
0011H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)MAXIMUM report only all year
001Perfluoropentanesulfonic acid (PFPeS)MAXIMUM report only all year
001Perfluorononanesulfonic acid (PFNS)MAXIMUM report only all year
001Hexafluoropropylene oxide dimer acid (HFPO-DA)MAXIMUM report only all year
001Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)MAXIMUM report only all year
001Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)MAXIMUM report only all year
001Perfluorododecanesulfonic acid (PFDoS)MAXIMUM report only all year
0014,8-Dioxa-3H-perfluorononanoic acid (ADONA)MAXIMUM report only all year
001N-methyl perfluorooctanesulfonamide (NMeFOSA)MAXIMUM report only all year
001N-ethyl perfluorooctanesulfonamide (NEtFOSA)MAXIMUM report only all year
001Phosphorous, in total orthophosphateMAXIMUM report only all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal generalMAXIMUM <= 800 #/100mL all year
001Coliform, fecal generalANNL AVG <= 200 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 20 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MAXIMUM <= 60 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]ANNL AVG <= 20 mg/L all year
001Dilution factorMINIMUM >= 65 Ratio all year
001Duration of dischargeANNL TOT report only all year
0013-Perfluoropropyl propanoic acid (3:3 FTCA)MAXIMUM report only all year
001Perfluoro-3-methoxypropanoic acid (PFMPA)MAXIMUM report only all year
0019-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)MAXIMUM report only all year
00111-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)MAXIMUM report only all year
0013-Perfluoroheptyl propanoic acid (7:3 FTCA)MAXIMUM report only all year
001Perfluoro-4-methoxybutanoic acid (PFMBA)MAXIMUM report only all year
0012H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)MAXIMUM report only all year
001LC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
001LC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
001LC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
001LC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % all year
001LC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % all year
001LC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % 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