Clean Water Act discharge permit · NPDES AL0023299
MONTEVALLO WWTP, Montevallo, AL: NPDES AL0023299 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
MONTEVALLO WWTP, held by Montevallo Water and Sewer Board, holds NPDES permit AL0023299. EPA’s file records it issued September 26, 2016 and expiring September 30, 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 | MONTEVALLO WWTP |
|---|---|
| Permittee as filed | Montevallo Water and Sewer Board |
| NPDES ID | AL0023299 |
| 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 | September 26, 2016 |
| Expiration date | September 30, 2021 |
| Address | Montevallo, AL 35115 |
| Subwatershed | Mayberry Creek-Shoal Creek (HUC 031502020403) |
| Program components on file | 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
- 23Pollutants on file
- 13Under a numeric limit
- 18With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 16 | 14 | October 31, 2010 | 26% over the limit |
| E. coli | 4 | 11 | 11 | August 31, 2018 | 1,337% over the limit |
| Phosphorus, total [as P] | 8 | 8 | 8 | May 31, 2024 | 120% over the limit |
| Coliform, fecal general | 0 | 5 | 5 | August 31, 2009 | 500% over the limit |
| Solids, total suspended | 8 | 6 | 2 | November 30, 2009 | 85% over the limit |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 0 | 6 | 1 | August 31, 2012 | 99,999% over the limit |
| Toxicity [chronic], Ceriodaphnia dubia | 0 | 5 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 4 | 0 | ||
| Chlorine, total residual | 2 | 3 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 2 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Copper, dissolved [as Cu] | 0 | 2 | 0 | ||
| Lead, dissolved [as Pb] | 0 | 2 | 0 | ||
| Nickel, dissolved [as Ni] | 0 | 2 | 0 | ||
| Zinc, dissolved [as Zn] | 0 | 2 | 0 | ||
| Methylene blue active substances | 0 | 2 | 0 | ||
| Solids, total dissolved | 0 | 2 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 8 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES AL0023299.
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.