St Johns County, Florida

NPDES permit FL0038831 · Major POTW · effective, expires 2030-07-08 · EPA's file as of 2026-09-19

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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 23 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 (146)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMAXIMUM report only all year
001Temperature, water deg. centigradeMAXIMUM report only all year
001Temperature, water deg. centigradeMAXIMUM report only all year
001Tide stageMAXIMUM report only all year
001Tide stageMAXIMUM report only all year
001Tide stageMAXIMUM report only all year
001Color [PT-CO units]MAXIMUM report only all year
001Color [PT-CO units]MAXIMUM report only all year
001Color [PT-CO units]MAXIMUM report only all year
001Specific conductanceMAXIMUM report only all year
001Specific conductanceMAXIMUM report only all year
001Specific conductanceMAXIMUM report only all year
001Specific conductanceMAXIMUM report only all year
001Plant capacity fact. percent of capacityMO AVG report only all year
001Oxygen, dissolved [DO]MINIMUM >= 5.1 mg/L all year
001Oxygen, dissolved [DO]MO AV MN report only all year
001Oxygen, dissolved [DO]MINIMUM report only all year
001Oxygen, dissolved [DO]MINIMUM report only all year
001Oxygen, dissolved [DO]MINIMUM report only all year
001Oxygen, dissolved percent saturationMINIMUM report only all year
001Oxygen, dissolved percent saturationMINIMUM report only all year
001Oxygen, dissolved percent saturationMINIMUM report only all year
001Oxygen, dissolved percent saturationAM >= 92 % all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001pHMAXIMUM report only all year
001pHMAXIMUM report only all year
001pHMAXIMUM report only all year
001Alkalinity, total [as CaCO3]MAXIMUM report only all year
001Alkalinity, total [as CaCO3]MAXIMUM report only all year
001Alkalinity, total [as CaCO3]MAXIMUM report only all year
001Alkalinity, total [as CaCO3]MAXIMUM report only all year
001SalinityMAXIMUM report only all year
001SalinityMAXIMUM report only all year
001SalinityMAXIMUM report only all year
001SalinityMAXIMUM report only all year
001Solids, total suspendedWKLY AVG <= 36.4 mg/L all year
001Solids, total suspendedMAXIMUM <= 48.5 mg/L all year
001Solids, total suspendedMO AVG <= 24.2 mg/L all year
001Solids, total suspendedMAXIMUM report only all year
001Solids, total suspendedMAXIMUM report only all year
001Solids, total suspendedMAXIMUM report only all year
001Solids, total suspendedMAXIMUM report only all year
001Solids, total suspendedANNL AVG <= 16.2 mg/L all year
001Nitrogen, total [as N]MAXIMUM report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MAXIMUM report only all year
001Nitrogen, total [as N]AGM report only all year
001Nitrogen, total [as N]MAXIMUM report only all year
001Nitrogen, total [as N]AGM report only all year
001Nitrogen, total [as N]MAXIMUM report only all year
001Nitrogen, total [as N]AGM report only all year
001Nitrogen, total [as N]MO TOTAL report only all year
001Nitrogen, total [as N]ANNL TOT <= 194822 lb/yr all year
001Nitrogen, total [as N]ANNL AVG report only all year
001Nitrogen, organic total [as N]MAXIMUM report only all year
001Nitrogen, organic total [as N]MAXIMUM report only all year
001Nitrogen, organic total [as N]MAXIMUM report only 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, 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 report only all year
001Nitrogen, Kjeldahl, total [as N]MAXIMUM report only all year
001Nitrogen, Kjeldahl, total [as N]MAXIMUM report only all year
001Nitrogen, Kjeldahl, total [as N]MAXIMUM report only all year
001Nitrogen, Kjeldahl, total [as N]MAXIMUM report only all year
001Nitrogen, Kjeldahl, total [as N]ANNL AVG report only all year
001Nitrite + Nitrate total [as N]MAXIMUM report only all year
001Nitrite + Nitrate total [as N]MAXIMUM report only all year
001Nitrite + Nitrate total [as N]MAXIMUM report only 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 AVG report only all year
001Phosphorus, total [as P]MAXIMUM report only all year
001Phosphorus, total [as P]AGM report only all year
001Phosphorus, total [as P]MAXIMUM report only all year
001Phosphorus, total [as P]AGM report only all year
001Phosphorus, total [as P]MAXIMUM report only all year
001Phosphorus, total [as P]AGM report only all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Phosphorus, total [as P]ANNL TOT <= 40442 lb/yr all year
001Phosphorus, total [as P]ANNL AVG report only all year
001Cyanide, total [as CN]MAXIMUM <= 1 ug/L all year
001Calcium, total recoverableMAXIMUM report only all year
001Magnesium, total recoverableMAXIMUM report only all year
001Sodium, total recoverableMAXIMUM report only all year
001Chloride [as Cl]MAXIMUM report only all year
001Sulfate, dissolved [as SO4]MAXIMUM report only all year
001Fluoride, total [as F]MAXIMUM <= 5 mg/L all year
001Iron, total recoverableMAXIMUM <= 300 ug/L all year
001Silver total recoverableMAXIMUM <= 2.3 ug/L all year
001Zinc, total recoverableMAXIMUM <= 86 ug/L all year
001Lead, total recoverableMAXIMUM <= 8.5 ug/L all year
001Copper, total recoverableMAXIMUM <= 3.7 ug/L all year
001Radium 226 + radium 228, totalMAXIMUM <= 5 pCi/L 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
001DichlorobromomethaneMAXIMUM report only all year
001DichlorobromomethaneANNL AVG <= 22 ug/L all year
001DibromochloromethaneMAXIMUM report only all year
001DibromochloromethaneANNL AVG <= 34 ug/L all year
001ChloroformMAXIMUM report only all year
001ChloroformANNL AVG <= 470.8 ug/L all year
001Chlorophyll AMAXIMUM report only all year
001Chlorophyll AAGM report only all year
001Chlorophyll AMAXIMUM report only all year
001Chlorophyll AAGM report only all year
001Chlorophyll AMAXIMUM report only all year
001Chlorophyll AAGM report only all year
001AtrazineMAXIMUM report only all year
001Ultraviolet light intensityMINIMUM report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantANNL AVG <= 4.95 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 <= 4.95 MGD all year
001Ultraviolet light transmittanceMINIMUM >= 40 % all year
001Ultraviolet light dosageMINIMUM >= 30 mW-sec/cm2 all year
001Solids, total dissolvedMAXIMUM report only all year
001Phosphorous, in total orthophosphateMAXIMUM report only all year
001Phosphorous, in total orthophosphateMAXIMUM report only all year
001Phosphorous, in total orthophosphateMAXIMUM report only all year
001Phosphorous, in total orthophosphateMAXIMUM report only all year
001Bromine, reported as the elementMAXIMUM report only all year
001Mercury, total recoverableMAXIMUM <= .025 ug/L all year
001Coliform, fecal generalMAXIMUM <= 800 #/100mL all year
001Coliform, fecal general90TH % <= 400 #/100mL all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal generalANNL AVG <= 200 #/100mL all year
001Alpha, gross particle activityMAXIMUM <= 15 pCi/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 32.3 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MAXIMUM <= 48.5 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 20.2 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MAXIMUM report only all year
001BOD, carbonaceous [5 day, 20 C]MAXIMUM report only all year
001BOD, carbonaceous [5 day, 20 C]MAXIMUM report only all year
001BOD, carbonaceous [5 day, 20 C]MAXIMUM report only all year
001BOD, carbonaceous [5 day, 20 C]ANNL AVG <= 16.2 mg/L all year
001IC25 Lethal Static Renewal 7 Day Chronic Menidia beryllinaMINIMUM >= 100 % all year
001IC25 Lethal Static Renewal 7 Day Chronic Menidia beryllinaMINIMUM >= 100 % all year
001IC25 Lethal Static Renewal 7 Day Chronic Menidia beryllinaMINIMUM >= 100 % all year
001IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 100 % all year
001IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 100 % all year
001IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MINIMUM >= 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