Clean Water Act discharge permit · NPDES AL0050423
CULLMAN WWTP, Cullman, AL: NPDES AL0050423 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 16Pollutants with an effluent exceedance
CULLMAN WWTP, held by City of Cullman, holds NPDES permit AL0050423. EPA’s file records it issued August 29, 2016 and expiring August 31, 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 | CULLMAN WWTP |
|---|---|
| Permittee as filed | City of Cullman |
| NPDES ID | AL0050423 |
| 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 | August 29, 2016 |
| Expiration date | August 31, 2021 |
| Address | Cullman, AL 35056 |
| Subwatershed | Broglen River (HUC 031601090106) |
| Program components on file | Biosolids, POTW, Pretreatment |
| 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
- 29Pollutants on file
- 18Under a numeric limit
- 29With a violation of any kind
- 16With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 10 | 95 | 77 | November 30, 2025 | 652% over the limit |
| Solids, total suspended | 10 | 81 | 47 | February 29, 2020 | 271% over the limit |
| Coliform, fecal general | 0 | 33 | 27 | May 31, 2010 | 845% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 18 | 16 | March 31, 2016 | 109% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 14 | 31 | 13 | November 30, 2016 | 51% over the limit |
| Solids, suspended percent removal | 1 | 10 | 9 | October 31, 2004 | 73% over the limit |
| Cyanide, free available | 0 | 9 | 9 | December 31, 2012 | 106% over the limit |
| Toxicity [chronic], Ceriodaphnia dubia | 1 | 6 | 5 | September 30, 2025 | 2,147,483,650% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 20 | 4 | August 31, 2002 | 71% over the limit |
| E. coli | 6 | 6 | 4 | May 31, 2026 | 315% over the limit |
| BOD, 5-day, percent removal | 0 | 6 | 4 | October 31, 2004 | 80% over the limit |
| Mercury, total recoverable | 2 | 5 | 4 | March 31, 2018 | 283% over the limit |
| pH | 6 | 16 | 2 | September 30, 2001 | |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 1 | 3 | 2 | September 30, 2004 | 99,999% over the limit |
| Copper, total recoverable | 2 | 2 | 2 | December 31, 2025 | 28% over the limit |
| Oxygen, dissolved [DO] | 1 | 5 | 1 | September 30, 2001 | 13% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 6 | 14 | 0 | ||
| Nitrite + Nitrate total [as N] | 6 | 14 | 0 | ||
| Phosphorus, total [as P] | 6 | 14 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| Chlorine, total residual | 2 | 4 | 0 | ||
| Methylene blue active substances | 0 | 4 | 0 | ||
| Copper, dissolved [as Cu] | 0 | 3 | 0 | ||
| Lead, dissolved [as Pb] | 0 | 3 | 0 | ||
| Nickel, dissolved [as Ni] | 0 | 3 | 0 | ||
| Zinc, dissolved [as Zn] | 0 | 3 | 0 | ||
| Oil & Grease | 2 | 2 | 0 | ||
| Solids, total dissolved | 0 | 2 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES AL0050423.
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
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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 AL0050423 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.