Clean Water Act discharge permit · NPDES AL0003336
MONTEVALLO PLANT, Calera, AL: NPDES AL0003336 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
MONTEVALLO PLANT, held by Lhoist North America of Alabama, LLC, holds NPDES permit AL0003336. EPA’s file records it issued November 28, 2011 and expiring November 30, 2016. 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 PLANT |
|---|---|
| Permittee as filed | Lhoist North America of Alabama, LLC |
| NPDES ID | AL0003336 |
| 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 | November 28, 2011 |
| Expiration date | November 30, 2016 |
| Address | Calera, AL 35040 |
| Subwatershed | Mayberry Creek-Shoal Creek (HUC 031502020403) |
| NAICS | 327410 – Lime Manufacturing |
| SIC | 1422 – Crushed And Broken Limestone |
| Other EPA IDs (FRS) | RCRA handler ALR000018721; ICIS-AIR source AL0000000111700008 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 11Pollutants on file
- 9Under a numeric limit
- 11With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Oil & Grease | 4 | 7 | 1 | July 31, 2021 | 218% over the limit |
| Solids, total suspended | 8 | 208 | 0 | ||
| pH | 8 | 206 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 204 | 0 | ||
| Iron, total [as Fe] | 4 | 6 | 0 | ||
| Manganese, total [as Mn] | 4 | 6 | 0 | ||
| Chemical oxygen demand [COD] | 4 | 5 | 0 | ||
| Lead, dissolved [as Pb] | 0 | 4 | 0 | ||
| Arsenic, trivalent dissolved | 0 | 4 | 0 | ||
| Sulfate [as S] | 4 | 2 | 0 | ||
| Solids, total dissolved | 4 | 2 | 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 AL0003336.
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 AL0003336 there.
Nearby on the register
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- Every permit record in Calera, A to Z
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- Every permit record in Alabama, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.