Clean Water Act discharge permit · NPDES AL0084466
BIG CREEK WWTP, Troy, AL: NPDES AL0084466 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 21Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
BIG CREEK WWTP, held by City of Troy, holds NPDES permit AL0084466. EPA’s file records it issued November 22, 2024 and expiring November 30, 2029. 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.
What the register holds for BIG CREEK WWTP: its NPDES ID, its permit type and status, its dates, its address in Troy, Alabama, and 21 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AL0084466.
Identity
| Facility as filed | BIG CREEK WWTP |
|---|---|
| Permittee as filed | City of Troy |
| NPDES ID | AL0084466 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | November 22, 2024 |
| Expiration date | November 30, 2029 |
| Issuing agency | State |
| Address | Troy, AL 36079 |
| Subwatershed | Smart Branck-Big Creek (HUC 031402020405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 21Pollutants on file
- 21Under a numeric limit
- 0With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 15 | 0 | 0 | ||
| Solids, total suspended | 11 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 11 | 0 | 0 | ||
| pH | 8 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 7 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 7 | 0 | 0 | ||
| Phosphorus, total [as P] | 7 | 0 | 0 | ||
| E. coli | 7 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 5 | 0 | 0 | ||
| Oil & Grease | 3 | 0 | 0 | ||
| Selenium, total recoverable | 2 | 0 | 0 | ||
| Zinc, total recoverable | 2 | 0 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Thallium, total recoverable | 1 | 0 | 0 | ||
| Silver total recoverable | 1 | 0 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 1 | 0 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES AL0084466.
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 AL0084466.
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, AL0084466.
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 AL0084466 there.
Nearby on the register
- Discharge permits in Troy
- Every permit record in Troy, A to Z
- Discharge permits in Alabama
- Every permit record in Alabama, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.