Clean Water Act discharge permit · NPDES AL0024422
MAYLENE QUARRY, Montevallo, AL: NPDES AL0024422 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MAYLENE QUARRY, held by Martin Marietta Materials, Inc., holds NPDES permit AL0024422. EPA’s file records it issued May 26, 2017 and expiring May 31, 2022. 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 | MAYLENE QUARRY |
|---|---|
| Permittee as filed | Martin Marietta Materials, Inc. |
| NPDES ID | AL0024422 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 26, 2017 |
| Expiration date | May 31, 2022 |
| Issuing agency | State |
| Address | Montevallo, AL 35115 |
| Subwatershed | Mayberry Creek-Shoal Creek (HUC 031502020403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 16 | 18 | 0 | ||
| Phosphorus, total [as P] | 16 | 18 | 0 | ||
| pH | 16 | 16 | 0 | ||
| Flow, in conduit or thru treatment plant | 16 | 16 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 16 | 8 | 0 | ||
| Nitrite + Nitrate total [as N] | 16 | 8 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES AL0024422.
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 AL0024422.
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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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 AL0024422 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.