Clean Water Act discharge permit · NPDES FL0040665
CITY OF CLEWISTON WWTP, Clewiston, FL: NPDES FL0040665 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 24Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
CITY OF CLEWISTON WWTP, held by City of Clewiston, holds NPDES permit FL0040665, which discharges to Sugarland Drainage Dist Cl 3 Class Iii Fresh 3246. EPA’s file records it issued September 7, 2016 and expiring September 6, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CITY OF CLEWISTON WWTP |
|---|---|
| Permittee as filed | City of Clewiston |
| NPDES ID | FL0040665 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 7, 2016 |
| Expiration date | September 6, 2021 |
| Issuing agency | Florida Department of Environmental Protection |
| Address | Clewiston, FL 33440 |
| Receiving water | Sugarland Drainage Dist Cl 3 Class III Fresh 3246 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Ninemile Canal (HUC 030902050102) |
| Program components on file | Biosolids, POTW |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 42Pollutants on file
- 24Under a numeric limit
- 42With a violation of any kind
- 13With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved percent saturation | 4 | 83 | 82 | June 30, 2026 | 97% over the limit |
| Flow, in conduit or thru treatment plant | 5 | 84 | 80 | April 30, 2022 | 33% over the limit |
| Phosphorus, total [as P] | 7 | 37 | 21 | September 30, 2023 | 350% over the limit |
| Nitrogen, total [as N] | 7 | 35 | 18 | April 30, 2026 | 888% over the limit |
| Ammonia, unionized | 1 | 10 | 9 | April 30, 2022 | 6,100% over the limit |
| Coliform, fecal general | 6 | 66 | 3 | March 31, 2021 | 203% over the limit |
| Copper, total recoverable | 0 | 28 | 3 | September 30, 2013 | 2,147,483,650% over the limit |
| Zinc, total recoverable | 0 | 24 | 3 | September 30, 2013 | 2,147,483,650% over the limit |
| Lead, total recoverable | 0 | 24 | 3 | September 30, 2013 | 2,147,483,650% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 3 | 9 | 3 | November 30, 2025 | 13% over the limit |
| Solids, total suspended | 8 | 29 | 2 | August 31, 2004 | 246% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 17 | 2 | August 31, 2004 | 211% over the limit |
| Chlorine, total residual | 1 | 2 | 1 | October 31, 2005 | 82% over the limit |
| Coliform, total general | 3 | 43 | 0 | ||
| Turbidity | 3 | 24 | 0 | ||
| Salinity | 3 | 24 | 0 | ||
| pH | 5 | 21 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 19 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 17 | 0 | ||
| Chromium, hexavalent tot recoverable | 0 | 17 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 15 | 0 | ||
| Aluminum, total recoverable | 0 | 13 | 0 | ||
| Chlorophyll A | 3 | 12 | 0 | ||
| Oil & Grease | 0 | 12 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 12 | 0 | ||
| Arsenic, total recoverable | 0 | 12 | 0 | ||
| Iron, total recoverable | 0 | 12 | 0 | ||
| Antimony, total recoverable | 0 | 12 | 0 | ||
| Surfactants [MBAS] | 0 | 12 | 0 | ||
| Silver total recoverable | 0 | 11 | 0 | ||
| Mercury, total recoverable | 0 | 11 | 0 | ||
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | 0 | 8 | 0 | ||
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | 0 | 8 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 3 | 6 | 0 | ||
| Solids, total dissolved | 3 | 3 | 0 | ||
| Cyanide, total recoverable | 0 | 3 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 2 | 0 | ||
| Temperature, water deg. centigrade | 4 | 1 | 0 | ||
| Plant capacity fact. percent of capacity | 1 | 1 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 1 | 0 | ||
| Solids, suspended percent removal | 1 | 1 | 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
- 48Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 13, 2026 | WW SSO - Improper Operation and Maintenance | ST6 |
| July 13, 2026 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| July 13, 2026 | Reporting Violations - Failure to Notify | ST6 |
| July 13, 2026 | Effluent Violations - Narrative Effluent Violation | ST6 |
| July 13, 2026 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 13, 2026 | Management Practice Violations - Improper Land Application (non-503 non-CAFO) | ST6 |
| July 13, 2026 | Effluent Violations - Failed Toxicity Test | ST6 |
| July 13, 2026 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| July 13, 2026 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| July 13, 2026 | WW SSO - Failure to monitor | ST6 |
| July 13, 2026 | Monitoring Violations - No Flow Measurement Device | ST6 |
| July 13, 2026 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| June 16, 2026 | WW SSO - Discharge to Waters | ST6 |
| February 9, 2026 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| October 21, 2025 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| March 7, 2025 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| March 3, 2025 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| March 3, 2025 | Management Practice Violations - Improper Land Application (non-503 non-CAFO) | ST6 |
| March 3, 2025 | Management Practice Violations - Inflow/Infiltration (I/I) | ST6 |
| March 3, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 3, 2025 | Monitoring Violations - Analysis not Conducted | ST6 |
| October 9, 2023 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| September 5, 2023 | Reporting Violations - Failure to Notify | ST6 |
| September 5, 2023 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| September 5, 2023 | Monitoring Violations - Analysis not Conducted | ST6 |
| September 5, 2023 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| September 5, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 5, 2023 | Management Practice Violations - Improper Land Application (non-503 non-CAFO) | ST6 |
| September 5, 2023 | Management Practice Violations - Inflow/Infiltration (I/I) | ST6 |
| August 30, 2022 | Reporting Violations - Failure to Notify | ST6 |
| August 30, 2022 | WW SSO - Failure to Maintain Records or Meet Record Keeping Requirements | ST6 |
| August 30, 2022 | Effluent Violations - Narrative Effluent Violation | ST6 |
| August 30, 2022 | Monitoring Violations - Analysis not Conducted | ST6 |
| August 30, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| August 30, 2022 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| August 30, 2022 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| August 29, 2022 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| May 2, 2022 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| January 21, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| January 21, 2021 | Effluent Violations - Narrative Effluent Violation | ST6 |
| January 21, 2021 | Monitoring Violations - Failure to Monitor for Toxicity Requirements | ST6 |
| October 4, 2019 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| September 5, 2019 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| August 6, 2019 | Management Practice Violations - Inflow/Infiltration (I/I) | ST6 |
| August 6, 2019 | Monitoring Violations - Failure to Monitor for Toxicity Requirements | ST6 |
| August 6, 2019 | Effluent Violations - Narrative Effluent Violation | ST6 |
| August 5, 2019 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| November 26, 2018 | 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.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.