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St Johns County, Florida

Sewage treatment plant, major discharger, St Augustine, Florida. NPDES permit FL0038831, in force until Jul 8, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 90 days after each period: form 1 monthly (55 values), form Q quarterly (103 values), form B every 2 months, form S twice a year
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 37 required values missing, 5 of 24 reports late

Limits in force (186)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademaximumreport only (deg C)all year
Temperature, water deg. centigrademaximumreport only (deg C)all year
Temperature, water deg. centigrademaximumreport only (deg C)all year
Tide stagemaximumreport only (ft)all year
Tide stagemaximumreport only (ft)all year
Tide stagemaximumreport only (ft)all year
Color [PT-CO units]maximumreport only (col unit (pc))all year
Color [PT-CO units]maximumreport only (col unit (pc))all year
Color [PT-CO units]maximumreport only (col unit (pc))all year
Specific conductancemaximumreport only (umho/cm)all year
Specific conductancemaximumreport only (umho/cm)all year
Specific conductancemaximumreport only (umho/cm)all year
Specific conductancemaximumreport only (umho/cm)all year
Plant capacity fact. percent of capacitymonthly averagereport only (%)all year
Oxygen, dissolved [DO]minimum≥ 5.1 mg/Lall year
Oxygen, dissolved [DO]monthly average minimumreport only (mg/L)all year
Oxygen, dissolved [DO]minimumreport only (mg/L)all year
Oxygen, dissolved [DO]minimumreport only (mg/L)all year
Oxygen, dissolved [DO]minimumreport only (mg/L)all year
Oxygen, dissolved percent saturationminimumreport only (%)all year
Oxygen, dissolved percent saturationminimumreport only (%)all year
Oxygen, dissolved percent saturationminimumreport only (%)all year
Oxygen, dissolved percent saturationminimum annual average≥ 92 %all year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
pHmaximumreport only (SU)all year
pHmaximumreport only (SU)all year
pHmaximumreport only (SU)all year
Alkalinity, total [as CaCO3]maximumreport only (mg/L)all year
Alkalinity, total [as CaCO3]maximumreport only (mg/L)all year
Alkalinity, total [as CaCO3]maximumreport only (mg/L)all year
Alkalinity, total [as CaCO3]maximumreport only (mg/L)all year
Salinitymaximumreport only (mg/L)all year
Salinitymaximumreport only (mg/L)all year
Salinitymaximumreport only (mg/L)all year
Salinitymaximumreport only (mg/L)all year
Solids, total suspendedweekly average≤ 36.4 mg/Lall year
Solids, total suspendedmaximum≤ 48.5 mg/Lall year
Solids, total suspendedmonthly average≤ 24.2 mg/Lall year
Solids, total suspendedmaximumreport only (mg/L)all year
Solids, total suspendedmaximumreport only (mg/L)all year
Solids, total suspendedmaximumreport only (mg/L)all year
Solids, total suspendedmaximumreport only (mg/L)all year
Solids, total suspendedannual average≤ 16.2 mg/Lall year
Nitrogen, total [as N]maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]maximumreport only (mg/L)all year
Nitrogen, total [as N]annual geometric meanreport only (mg/L)all year
Nitrogen, total [as N]maximumreport only (mg/L)all year
Nitrogen, total [as N]annual geometric meanreport only (mg/L)all year
Nitrogen, total [as N]maximumreport only (mg/L)all year
Nitrogen, total [as N]annual geometric meanreport only (mg/L)all year
Nitrogen, total [as N]monthly totalreport only (lb/mo)all year
Nitrogen, total [as N]annual total≤ 194822 lb/yrall year
Nitrogen, total [as N]annual averagereport only (mg/L)all year
Nitrogen, organic total [as N]maximumreport only (mg/L)all year
Nitrogen, organic total [as N]maximumreport only (mg/L)all year
Nitrogen, organic total [as N]maximumreport only (mg/L)all year
Nitrogen, organic total [as N]maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]annual averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]maximumreport only (mg/L)all year
Phosphorus, total [as P]maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]maximumreport only (mg/L)all year
Phosphorus, total [as P]annual geometric meanreport only (mg/L)all year
Phosphorus, total [as P]maximumreport only (mg/L)all year
Phosphorus, total [as P]annual geometric meanreport only (mg/L)all year
Phosphorus, total [as P]maximumreport only (mg/L)all year
Phosphorus, total [as P]annual geometric meanreport only (mg/L)all year
Phosphorus, total [as P]monthly totalreport only (lb/mo)all year
Phosphorus, total [as P]annual total≤ 40442 lb/yrall year
Phosphorus, total [as P]annual averagereport only (mg/L)all year
Cyanide, total [as CN]maximum≤ 1 ug/Lall year
Calcium, total recoverablemaximumreport only (mg/L)all year
Magnesium, total recoverablemaximumreport only (ug/L)all year
Sodium, total recoverablemaximumreport only (mg/L)all year
Chloride [as Cl]maximumreport only (mg/L)all year
Sulfate, dissolved [as SO4]maximumreport only (mg/L)all year
Fluoride, total [as F]maximum≤ 5 mg/Lall year
Iron, total recoverablemaximum≤ 300 ug/Lall year
Silver total recoverablemaximum≤ 2.3 ug/Lall year
Zinc, total recoverablemaximum≤ 86 ug/Lall year
Lead, total recoverablemaximum≤ 8.5 ug/Lall year
Copper, total recoverablemaximum≤ 3.7 ug/Lall year
Radium 226 + radium 228, totalmaximum≤ 5 pCi/Lall year
Enterococci: group D, MF trans, M-E, EIAmonthly geometric mean≤ 35 #/100mLall year
Enterococci: group D, MF trans, M-E, EIA90th percentile≤ 130 #/100mLall year
Dichlorobromomethanemaximumreport only (ug/L)all year
Dichlorobromomethaneannual average≤ 22 ug/Lall year
Dibromochloromethanemaximumreport only (ug/L)all year
Dibromochloromethaneannual average≤ 34 ug/Lall year
Chloroformmaximumreport only (ug/L)all year
Chloroformannual average≤ 470.8 ug/Lall year
Chlorophyll Amaximumreport only (ug/L)all year
Chlorophyll Aannual geometric meanreport only (ug/L)all year
Chlorophyll Amaximumreport only (ug/L)all year
Chlorophyll Aannual geometric meanreport only (ug/L)all year
Chlorophyll Amaximumreport only (ug/L)all year
Chlorophyll Aannual geometric meanreport only (ug/L)all year
Atrazinemaximumreport only (ug/L)all year
Ultraviolet light intensityminimumreport only (mW/cm2)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantannual average≤ 4.95 MGDall year
Flow, in conduit or thru treatment plantrolling quarterlyreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantannual average≤ 4.95 MGDall year
Ultraviolet light transmittanceminimum≥ 40 %all year
Perfluorooctanoic acid (PFOA)maximumreport only (ng/L)all year
Perfluorobutanoic acid (PFBA)maximumreport only (ng/L)all year
Perfluorooctanesulfonamide (PFOSA)maximumreport only (ng/L)all year
Perfluoropentanoic acid (PFPeA)maximumreport only (ng/L)all year
Perfluorohexanoic acid (PFHxA)maximumreport only (ng/L)all year
Perfluoroheptanoic acid (PFHpA)maximumreport only (ng/L)all year
Perfluorononanoic acid (PFNA)maximumreport only (ng/L)all year
Perfluorodecanoic acid (PFDA)maximumreport only (ng/L)all year
Perfluoroundecanoic acid (PFUnA)maximumreport only (ng/L)all year
Perfluorododecanoic acid (PFDoA)maximumreport only (ng/L)all year
Perfluorotridecanoic acid (PFTrDA)maximumreport only (ng/L)all year
Perfluorotetradecanoic acid (PFTeDA)maximumreport only (ng/L)all year
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)maximumreport only (ng/L)all year
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)maximumreport only (ng/L)all year
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)maximumreport only (ng/L)all year
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)maximumreport only (ng/L)all year
Perfluorobutanesulfonic acid (PFBS)maximumreport only (ng/L)all year
Perfluorodecanesulfonic acid (PFDS)maximumreport only (ng/L)all year
Perfluoroheptanesulfonic acid (PFHpS)maximumreport only (ng/L)all year
Perfluorohexanesulfonic acid (PFHxS)maximumreport only (ng/L)all year
Perfluorooctanesulfonic acid (PFOS)maximumreport only (ng/L)all year
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)maximumreport only (ng/L)all year
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)maximumreport only (ng/L)all year
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)maximumreport only (ng/L)all year
Perfluoropentanesulfonic acid (PFPeS)maximumreport only (ng/L)all year
Perfluorononanesulfonic acid (PFNS)maximumreport only (ng/L)all year
Hexafluoropropylene oxide dimer acid (HFPO-DA)maximumreport only (ng/L)all year
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)maximumreport only (ng/L)all year
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)maximumreport only (ng/L)all year
Perfluorododecanesulfonic acid (PFDoS)maximumreport only (ng/L)all year
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)maximumreport only (ng/L)all year
N-methyl perfluorooctanesulfonamide (NMeFOSA)maximumreport only (ng/L)all year
N-ethyl perfluorooctanesulfonamide (NEtFOSA)maximumreport only (ng/L)all year
Ultraviolet light dosageminimum≥ 30 mW-sec/cm2all year
Solids, total dissolvedmaximumreport only (mg/L)all year
Phosphorous, in total orthophosphatemaximumreport only (mg/L)all year
Phosphorous, in total orthophosphatemaximumreport only (mg/L)all year
Phosphorous, in total orthophosphatemaximumreport only (mg/L)all year
Phosphorous, in total orthophosphatemaximumreport only (mg/L)all year
Bromine, reported as the elementmaximumreport only (mg/L)all year
Mercury, total recoverablemaximum≤ .025 ug/Lall year
Coliform, fecal generalmaximum≤ 800 #/100mLall year
Coliform, fecal general90th percentile≤ 400 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalannual average≤ 200 #/100mLall year
Alpha, gross particle activitymaximum≤ 15 pCi/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 32.3 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum≤ 48.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20.2 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximumreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]maximumreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]maximumreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]maximumreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]annual average≤ 16.2 mg/Lall year
3-Perfluoropropyl propanoic acid (3:3 FTCA)maximumreport only (ng/L)all year
Perfluoro-3-methoxypropanoic acid (PFMPA)maximumreport only (ng/L)all year
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)maximumreport only (ng/L)all year
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)maximumreport only (ng/L)all year
3-Perfluoroheptyl propanoic acid (7:3 FTCA)maximumreport only (ng/L)all year
Perfluoro-4-methoxybutanoic acid (PFMBA)maximumreport only (ng/L)all year
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)maximumreport only (ng/L)all year
IC25 Lethal Static Renewal 7 Day Chronic Menidia beryllinaminimum≥ 100 %all year
IC25 Lethal Static Renewal 7 Day Chronic Menidia beryllinaminimum≥ 100 %all year
IC25 Lethal Static Renewal 7 Day Chronic Menidia beryllinaminimum≥ 100 %all year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 100 %all year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 100 %all year
IC25 Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimum≥ 100 %all year

How strict are these limits?

Cited limits by parameter: Florida's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/FL0038831 · MCP: https://passage-data.com/mcp