Clean Water Act discharge permit · NPDES FL0670651
NORTHWEST WASTEWATER TREATMENT PLANT, St Augustine, FL: NPDES FL0670651 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
NORTHWEST WASTEWATER TREATMENT PLANT, held by St. Johns County Utility Department, holds NPDES permit FL0670651, which discharges to Mill Cr 2460, Six Mile Cr 2411, St Johns R 2213g. EPA’s file records it issued August 1, 2016 and expiring September 25, 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 filed | NORTHWEST WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | St. Johns County Utility Department |
| NPDES ID | FL0670651 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 1, 2016 |
| Expiration date | September 25, 2021 |
| Issuing agency | Florida Department of Environmental Protection |
| Address | St Augustine, FL 32092 |
| Receiving water | Mill Cr 2460, Six Mile Cr 2411, St Johns R 2213G |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Palmo Cove (HUC 030801031203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 25Pollutants on file
- 24Under a numeric limit
- 23With a violation of any kind
- 6With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| % of fecal coliform samples < detectable | 1 | 17 | 16 | February 28, 2026 | 100% over the limit |
| Oxygen, dissolved [DO] | 1 | 11 | 10 | August 31, 2021 | 93% over the limit |
| Phosphorus, total [as P] | 6 | 8 | 2 | July 31, 2016 | 98% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 6 | 1 | July 31, 2016 | 23% over the limit |
| Silver total recoverable | 1 | 2 | 1 | February 28, 2019 | 1,471% over the limit |
| Coliform, fecal general | 1 | 2 | 1 | February 28, 2019 | 236% over the limit |
| Nitrogen, total [as N] | 6 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 5 | 5 | 0 | ||
| Lead, total recoverable | 3 | 3 | 0 | ||
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | 3 | 3 | 0 | ||
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | 3 | 3 | 0 | ||
| Solids, total suspended | 5 | 2 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Flow, total | 1 | 2 | 0 | ||
| E. coli | 0 | 2 | 0 | ||
| Temperature, water deg. centigrade | 1 | 1 | 0 | ||
| Plant capacity fact. percent of capacity | 1 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 1 | 0 | ||
| Iron, total recoverable | 1 | 1 | 0 | ||
| Ultraviolet light intensity | 1 | 1 | 0 | ||
| Ultraviolet light transmittance | 1 | 1 | 0 | ||
| Ultraviolet light dosage | 1 | 1 | 0 | ||
| Mercury, total recoverable | 2 | 0 | 0 | ||
| Nitrogen, ammonia, tot unionized [as N] | 1 | 0 | 0 |
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
- 23Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 6, 2026 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| July 22, 2026 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| July 10, 2026 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| April 17, 2026 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| February 5, 2026 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| January 1, 2026 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| April 28, 2025 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| March 30, 2025 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| September 5, 2024 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| January 19, 2024 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| December 20, 2023 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| December 19, 2023 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| July 3, 2023 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| February 13, 2023 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| August 21, 2022 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| July 26, 2022 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| October 21, 2021 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| October 19, 2021 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| October 12, 2021 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| August 2, 2021 | WW SSO - Discharge to Waters | ST6 |
| May 15, 2020 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| June 1, 2019 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| April 17, 2019 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, FL0670651.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID FL0670651 there.
Nearby on the register
- Discharge permits in St Augustine
- Every permit record in St Augustine, A to Z
- Discharge permits in Florida
- Every permit record in Florida, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.