Clean Water Act discharge permit · NPDES COG501581
LAFARGE IVERSON FACILITY, Weld County, CO: NPDES COG501581 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LAFARGE IVERSON FACILITY, held by Martin Marietta Materials Inc, holds NPDES permit COG501581, which discharges to Cache La Poudre River. EPA’s file records it issued July 11, 2014 and expiring September 30, 2014. 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 LAFARGE IVERSON FACILITY: its NPDES ID, its permit type and status, its dates, its address in Weld County, Colorado, its receiving water, and 6 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG501581.
Identity
| Facility as filed | LAFARGE IVERSON FACILITY |
|---|---|
| Permittee as filed | Martin Marietta Materials Inc |
| NPDES ID | COG501581 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 11, 2014 |
| Expiration date | September 30, 2014 |
| Address | Weld County, CO 80631 |
| Receiving water | Cache la Poudre River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | 101900071005 (HUC 101900071005) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under 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 |
|---|---|---|---|---|---|
| pH | 6 | 0 | 0 | ||
| Solids, total suspended | 6 | 0 | 0 | ||
| Selenium, potentially dissolvd | 6 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 0 | 0 | ||
| Oil and grease | 3 | 0 | 0 | ||
| Oil and grease visual | 3 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG501581.
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 COG501581.
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, COG501581.
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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 COG501581 there.
Nearby on the register
- Discharge permits in Weld County
- Every permit record in Weld County, A to Z
- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.