St Johns County Utility Dept

NPDES permit FL0043109 · Minor POTW · effective, expires 2027-01-26 · 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)
0of 63 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 (153)

OutfallParameterStatisticLimitMonths
001Plant capacity fact. percent of capacityMO AVG report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMAXIMUM <= 60 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedANNL AVG <= 20 mg/L all year
001Nitrogen, total [as N]MAXIMUM report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, total [as N]MO TOTAL report only all year
001Nitrogen, total [as N]MO TOTAL report only all year
001Nitrogen, total [as N]ANNL TOT <= 18569 lb/yr all year
001Nitrogen, total [as N]ANNL AVG <= 25 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MAXIMUM report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MAXIMUM report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 0 mg/L all year
001Nitrogen, ammonia total [as N]MAXIMUM <= 0 mg/L all year
001Phosphorus, total [as P]MAXIMUM <= 6 mg/L all year
001Phosphorus, total [as P]WKLY AVG <= 4.5 mg/L all year
001Phosphorus, total [as P]MO AVG <= 3.75 mg/L all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Phosphorus, total [as P]ANNL TOT <= 5480 lb/yr all year
001Phosphorus, total [as P]ANNL AVG <= 3 mg/L all year
001Sodium, total recoverableMAXIMUM report only all year
001Sulfate, total [as SO4]MAXIMUM report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantANNL AVG <= .98 MGD all year
001Flow, in conduit or thru treatment plantQRTR AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantANNL AVG <= .5 MGD all year
001Chlorine, total residualMINIMUM >= .5 mg/L all year
001E. coliMO GEOMN <= 126 #/100mL all year
001E. coli90TH % <= 410 #/100mL all year
001Solids, total dissolvedMAXIMUM 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]MAXIMUM <= 60 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO TOTAL report only all year
001BOD, carbonaceous [5 day, 20 C]ANNL AVG <= 20 mg/L all year
01ETemperature, water deg. centigradeMAXIMUM report only all year
01EColor [PT-CO units]MAXIMUM report only all year
01ESpecific conductanceMAXIMUM report only all year
01EOxygen, dissolved [DO]MINIMUM report only all year
01EpHMAXIMUM report only all year
01ESolids, total suspendedMAXIMUM report only all year
01ENitrogen, ammonia total [as N]MAXIMUM report only all year
01ENitrogen, Kjeldahl, total [as N]MAXIMUM report only all year
01ENitrite + Nitrate total [as N]MAXIMUM report only all year
01EPhosphorus, total [as P]MAXIMUM report only all year
01ESulfate, total [as SO4]MAXIMUM report only all year
01EIron, total recoverableMAXIMUM report only all year
01ENickel, total recoverableMAXIMUM report only all year
01ESilver total recoverableMAXIMUM report only all year
01EZinc, total recoverableMAXIMUM report only all year
01ECadmium, total recoverableMAXIMUM report only all year
01ELead, total recoverableMAXIMUM report only all year
01ECopper, total recoverableMAXIMUM report only all year
01EChlorophyll AMAXIMUM report only all year
01EHerbaceous vegetation, presenceMAXIMUM report only all year
01EHerbaceous vegetation, presenceMAXIMUM report only all year
01EWoody vegetation, presenceMAXIMUM report only all year
01EWoody vegetation, presenceMAXIMUM report only all year
01EThreatened & endangered species, presenceMAXIMUM report only all year
01EThreatened & endangered species, presenceMAXIMUM report only all year
01EPhosphorous, in total orthophosphateMAXIMUM report only all year
01EMercury, total recoverableMAXIMUM report only all year
01EColiform, fecal generalMAXIMUM report only all year
01EBOD, carbonaceous [5 day, 20 C]MAXIMUM report only all year
01EWater level at sample collection timeMAXIMUM report only all year
01ELC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
01ELC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
01ELC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
01ELC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % all year
01ELC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % all year
01ELC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % all year
1NWTemperature, water deg. centigradeMAXIMUM report only all year
1NWColor [PT-CO units]MAXIMUM report only all year
1NWSpecific conductanceMAXIMUM report only all year
1NWOxygen, dissolved [DO]MINIMUM report only all year
1NWpHMAXIMUM report only all year
1NWSolids, total suspendedMAXIMUM report only all year
1NWNitrogen, ammonia total [as N]MAXIMUM report only all year
1NWNitrogen, Kjeldahl, total [as N]MAXIMUM report only all year
1NWNitrite + Nitrate total [as N]MAXIMUM report only all year
1NWPhosphorus, total [as P]MAXIMUM report only all year
1NWSulfate, total [as SO4]MAXIMUM report only all year
1NWIron, total recoverableMAXIMUM report only all year
1NWNickel, total recoverableMAXIMUM report only all year
1NWSilver total recoverableMAXIMUM report only all year
1NWZinc, total recoverableMAXIMUM report only all year
1NWCadmium, total recoverableMAXIMUM report only all year
1NWLead, total recoverableMAXIMUM report only all year
1NWCopper, total recoverableMAXIMUM report only all year
1NWChlorophyll AMAXIMUM report only all year
1NWHerbaceous vegetation, presenceMAXIMUM report only all year
1NWHerbaceous vegetation, presenceMAXIMUM report only all year
1NWWoody vegetation, presenceMAXIMUM report only all year
1NWWoody vegetation, presenceMAXIMUM report only all year
1NWThreatened & endangered species, presenceMAXIMUM report only all year
1NWThreatened & endangered species, presenceMAXIMUM report only all year
1NWPhosphorous, in total orthophosphateMAXIMUM report only all year
1NWMercury, total recoverableMAXIMUM report only all year
1NWColiform, fecal generalMAXIMUM report only all year
1NWBOD, carbonaceous [5 day, 20 C]MAXIMUM report only all year
1NWWater level at sample collection timeMAXIMUM report only all year
1NWLC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
1NWLC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
1NWLC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
1NWLC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % all year
1NWLC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % all year
1NWLC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % all year
1SWTemperature, water deg. centigradeMAXIMUM report only all year
1SWColor [PT-CO units]MAXIMUM report only all year
1SWSpecific conductanceMAXIMUM report only all year
1SWOxygen, dissolved [DO]MINIMUM report only all year
1SWpHMAXIMUM report only all year
1SWSolids, total suspendedMAXIMUM report only all year
1SWNitrogen, ammonia total [as N]MAXIMUM report only all year
1SWNitrogen, Kjeldahl, total [as N]MAXIMUM report only all year
1SWNitrite + Nitrate total [as N]MAXIMUM report only all year
1SWPhosphorus, total [as P]MAXIMUM report only all year
1SWSulfate, total [as SO4]MAXIMUM report only all year
1SWIron, total recoverableMAXIMUM report only all year
1SWNickel, total recoverableMAXIMUM report only all year
1SWSilver total recoverableMAXIMUM report only all year
1SWZinc, total recoverableMAXIMUM report only all year
1SWCadmium, total recoverableMAXIMUM report only all year
1SWLead, total recoverableMAXIMUM report only all year
1SWCopper, total recoverableMAXIMUM report only all year
1SWChlorophyll AMAXIMUM report only all year
1SWHerbaceous vegetation, presenceMAXIMUM report only all year
1SWHerbaceous vegetation, presenceMAXIMUM report only all year
1SWWoody vegetation, presenceMAXIMUM report only all year
1SWWoody vegetation, presenceMAXIMUM report only all year
1SWThreatened & endangered species, presenceMAXIMUM report only all year
1SWThreatened & endangered species, presenceMAXIMUM report only all year
1SWPhosphorous, in total orthophosphateMAXIMUM report only all year
1SWMercury, total recoverableMAXIMUM report only all year
1SWColiform, fecal generalMAXIMUM report only all year
1SWBOD, carbonaceous [5 day, 20 C]MAXIMUM report only all year
1SWWater level at sample collection timeMAXIMUM report only all year
1SWLC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
1SWLC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
1SWLC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 100 % all year
1SWLC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % all year
1SWLC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 100 % all year
1SWLC50 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