Clean Water Act discharge permit · NPDES COG317231
STA 1191-033 #21497 CO 119 MOBILITY IMPROVEMENTS (NIWOT), Longmont, CO: NPDES COG317231 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
STA 1191-033 #21497 CO 119 MOBILITY IMPROVEMENTS (NIWOT), held by Kraemer North America LLC, holds NPDES permit COG317231, which discharges to Dry Creek. EPA’s file records it issued October 24, 2025 and expiring May 31, 2028. 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 | STA 1191-033 #21497 CO 119 MOBILITY IMPROVEMENTS (NIWOT) |
|---|---|
| Permittee as filed | Kraemer North America LLC |
| NPDES ID | COG317231 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 24, 2025 |
| Expiration date | May 31, 2028 |
| Address | Longmont, CO 80503 |
| Receiving water | Dry Creek |
| Subwatershed | Lower Left Hand Creek (HUC 101900050304) |
| SIC | 1611 – Highway And Street Construction |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 1With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 2 | 2 | November 30, 2025 | 35% over the limit |
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Iron, total recoverable | 1 | 0 | 0 | ||
| Oil and grease | 1 | 0 | 0 | ||
| Mercury, total [low level] | 1 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Oil and grease visual | 1 | 0 | 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 COG317231.
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 COG317231 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.