Clean Water Act discharge permit · NPDES UTG071963
I-15; 1800 NORTH INTERCHANGE & CORRIDOR WIDENING, Sunset, UT: NPDES UTG071963 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
I-15; 1800 NORTH INTERCHANGE & CORRIDOR WIDENING, held by RLW/Whitaker, a Joint Venture, holds NPDES permit UTG071963. EPA’s file records it issued March 11, 2025 and expiring March 11, 2026. 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 | I-15; 1800 NORTH INTERCHANGE & CORRIDOR WIDENING |
|---|---|
| Permittee as filed | RLW/Whitaker, a Joint Venture |
| NPDES ID | UTG071963 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 11, 2025 |
| Expiration date | March 11, 2026 |
| Issuing agency | Utah Division of Water Quality |
| Address | Sunset, UT 84015 |
| Subwatershed | Howard Slough-Frontal Farmington Bay (HUC 160201020506) |
| NAICS | 488999 – All Other Support Activities For Transportation |
| SIC | 1622 – Bridge, Tunnel, & Elevated Highway |
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
- 5Pollutants on file
- 5Under 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 27 | 3 | 3 | June 30, 2025 | 49% over the limit |
| Flow rate | 18 | 0 | 0 | ||
| pH | 18 | 0 | 0 | ||
| Oil and grease | 9 | 0 | 0 | ||
| Oil and grease visual | 9 | 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 UTG071963.
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 UTG071963 there.
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- Every permit record in Utah, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.