Clean Water Act discharge permit · NPDES WYG740989
WEST HAVEN ESTATES SUBDIVISION, Sheridan, WY: NPDES WYG740989 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
WEST HAVEN ESTATES SUBDIVISION, held by NORTHERN UNDERGROUND LLC, holds NPDES permit WYG740989. EPA’s file records it issued May 5, 2026 and expiring May 4, 2027. 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 | WEST HAVEN ESTATES SUBDIVISION |
|---|---|
| Permittee as filed | NORTHERN UNDERGROUND LLC |
| NPDES ID | WYG740989 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 5, 2026 |
| Expiration date | May 4, 2027 |
| Issuing agency | Wyoming Department of Environmental Quality |
| Address | Sheridan, WY 82801 |
| Subwatershed | Soldier Creek-Goose Creek (HUC 100901010209) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With 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 | 4 | 0 | ||
| Flow | 2 | 4 | 0 | ||
| Solids, total suspended | 1 | 2 | 0 | ||
| Duration | 1 | 2 | 0 | ||
| Solids, total dissolved | 1 | 2 | 0 | ||
| Produced water, oil and grease | 1 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WYG740989.
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 WYG740989.
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 WYG740989 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.