Clean Water Act discharge permit · NPDES COR900899
AULT READY MIX LLLP, Ault, CO: NPDES COR900899 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
AULT READY MIX LLLP, held by Ault Ready Mix LLLP, holds NPDES permit COR900899, which discharges to Unnamed Tributary -Town Lateral. EPA’s file records it issued May 31, 2012 and expiring June 30, 2017. 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 | AULT READY MIX LLLP |
|---|---|
| Permittee as filed | Ault Ready Mix LLLP |
| NPDES ID | COR900899 |
| 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 |
| Program | Industrial stormwater |
| Issued | May 31, 2012 |
| Expiration date | June 30, 2017 |
| Address | Ault, CO 80610 |
| Receiving water | Unnamed tributary -Town Lateral |
| Subwatershed | Eaton Draw (HUC 101900071007) |
| Other EPA IDs (FRS) | ICIS-AIR source CO0000000812305057 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With 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 | 2 | 10 | 0 | ||
| Solids, total suspended | 2 | 5 | 0 | ||
| Iron, total [as Fe] | 1 | 4 | 0 | ||
| Selenium, potentially dissolvd | 1 | 4 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR900899.
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 COR900899.
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
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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 COR900899 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.