Clean Water Act discharge permit · NPDES COR901630
MILLSTONE WEBER PORTABLE CONCRETE BATCH PLANT 7005, Statewide, CO: NPDES COR901630 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 2Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MILLSTONE WEBER PORTABLE CONCRETE BATCH PLANT 7005, held by Millstone Weber LLC, holds NPDES permit COR901630, which discharges to Third Creek To Barr Lake. EPA’s file records it issued May 3, 2023 and expiring December 31, 2025. 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 | MILLSTONE WEBER PORTABLE CONCRETE BATCH PLANT 7005 |
|---|---|
| Permittee as filed | Millstone Weber LLC |
| NPDES ID | COR901630 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | May 3, 2023 |
| Expiration date | December 31, 2025 |
| Address | Statewide, CO |
| Receiving water | Third Creek to Barr Lake |
| Subwatershed | Third Creek (HUC 101900030404) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 2Pollutants on file
- 2Under a numeric limit
- 2With 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 | 1 | 1 | 0 | ||
| Iron, total [as Fe] | 1 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR901630.
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 COR901630.
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, COR901630.
Start the watch
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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 COR901630 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.