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Clean Water Act discharge permit · NPDES FL0043109

STATE ROAD 16 WWTF, Saint Augustine, FL: NPDES FL0043109 discharge permit, effluent exceedances, inspections, penalties

STATE ROAD 16 WWTF, held by Saint Johns County Utility Department, holds NPDES permit FL0043109, which discharges to Cowan Swamp Class Iii Fresh Wbid 2493. EPA’s file records it issued July 21, 2016 and expiring July 20, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedSTATE ROAD 16 WWTF
Permittee as filedSaint Johns County Utility Department
NPDES IDFL0043109
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJuly 21, 2016
Expiration dateJuly 20, 2021
Issuing agencyFlorida Department of Environmental Protection
AddressSaint Augustine, FL 32084
Receiving waterCowan Swamp Class III Fresh WBID 2493
Receiving water impaired303(D) Listed
SubwatershedSan Sebastian River (HUC 030802010502)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, total [as N]621275January 31, 2016209% over the limit
Phosphorus, total [as P]924461March 31, 2023356% over the limit
BOD, carbonaceous [5 day, 20 C]817830April 30, 2015317% over the limit
Solids, total suspended818115December 31, 2015400% over the limit
Nitrogen, ammonia total [as N]7878December 31, 2018193% over the limit
Flow, in conduit or thru treatment plant5528October 31, 2010190% over the limit
Ammonia, unionized0673April 30, 2008700% over the limit
pH51070
Temperature, water deg. centigrade3810
Lead, total [as Pb]0710
Mercury, total [as Hg]0710
Cadmium, total [as Cd]0700
Copper, total [as Cu]0700
Nickel, total [as Ni]0700
Silver, total [as Ag]0700
Iron, total [as Fe]0690
Zinc, total [as Zn]0690
Herbaceous vegetation, presence6640
Sulfate, total [as SO4]3510
Chlorophyll A3510
Macroinvertebrate assessment6490
Coliform, fecal general6470
Nitrogen, Kjeldahl, total [as N]3460
Nitrite + Nitrate total [as N]3460
Phosphorous, in total orthophosphate3460
Color [PT-CO units]3450
Specific conductance3450
Oxygen, dissolved [DO]3450
Stream stage0330
Sulfide, total [as S]0280
Woody vegetation, presence6220
Threatened & endangered species, presence6220
LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia1290
LC50 Static Renewal 96Hr Acute Cyprinella leedsi1290
Iron, total recoverable300
Nickel, total recoverable300
Silver total recoverable300
Zinc, total recoverable300
Cadmium, total recoverable300
Lead, total recoverable300
Copper, total recoverable300
Mercury, total recoverable300
Water level at sample collection time300
Plant capacity fact. percent of capacity100
Chlorine, total residual100

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
April 30, 2026WW SSO - Overflow to Dry Land or Building BackupST6
January 16, 2026WW SSO - Overflow to Dry Land or Building BackupST6
July 25, 2024WW SSO - Discharge to WatersST6
July 24, 2024WW SSO - Overflow to Dry Land or Building BackupST6
May 20, 2024WW SSO - Overflow to Dry Land or Building BackupST6
June 19, 2023WW SSO - Overflow to Dry Land or Building BackupST6
May 7, 2021WW SSO - Overflow to Dry Land or Building BackupST6
November 20, 2019WW SSO - Overflow to Dry Land or Building BackupST6
March 12, 2019WW SSO - Overflow to Dry Land or Building BackupST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES FL0043109 for the STATE ROAD 16 WWTF in Saint Augustine, FL, held by Saint Johns County Utility Department and discharging to Cowan Swamp Class III Fresh WBID 2493. The page lists the permit as administratively continued, a Minor discharger class, with 7 pollutants under a numeric limit and 7 pollutants with an effluent exceedance.