Clean Water Act discharge permit · NPDES WYR321018
RST AGGREGATE SOURCE, Jackson, WY: NPDES WYR321018 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
RST AGGREGATE SOURCE, held by Evans Construction Company, holds NPDES permit WYR321018. EPA’s file records it issued June 1, 2025 and expiring December 31, 2029.
RST AGGREGATE SOURCE, Jackson, Wyoming: Coverage under a general permit WYR321018, held by Evans Construction Company; Effective; issued June 1, 2025, term to December 31, 2029, by Wyoming Department of Environmental Quality.
Other permits held by Evans Construction Company
- BONDURANT GRAVEL PIT (LQD ET0588), Bondurant: WY0097034, issued March 19, 2026
RST AGGREGATE SOURCE among its neighbors
EPA’s permit file holds 7 discharge permits in the Lower Flat Creek subwatershed (HUC 170401030205), WYR321018 among them. Its county holds 28, 1 of them major permits; WYR321018 is a minor permit.
Other permits in the Lower Flat Creek subwatershed (HUC 170401030205)
- GREGORY LANE, Jackson: WYG740983, minor permit, permit term to April 30, 2027
- HIGHWAY 89 PROJECT NEAR HOBACK JUNCTION, Unknown: WYG740615, minor permit, permit term to August 31, 2017
- JACKSON HOLE CLASSICAL ACADEMY, Jackson: WYR106422, minor permit, permit term to August 1, 2025
- JACKSON THAW WELL PROJECT, Unknown: WY0049484, minor permit, permit term to December 31, 2017
- MELODY RANCH 2025 WATER SYSTEM IMPROVEMENTS, Jackson: WYG740976, minor permit, permit term to October 31, 2026
- TETON COUNTY LANDFILL WASTE RELOCATION, Unknown: WYR105361, minor permit, permit term to May 25, 2017
What the register holds for RST AGGREGATE SOURCE: its NPDES ID, its permit type and status, its dates, its address in Jackson, Wyoming. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WYR321018.
Identity
| Facility as filed | RST AGGREGATE SOURCE |
|---|---|
| Permittee as filed | Evans Construction Company |
| NPDES ID | WYR321018 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 1, 2025 |
| Expiration date | December 31, 2029 |
| Issuing agency | Wyoming Department of Environmental Quality |
| Address | Jackson, WY 83001 |
| Subwatershed | Lower Flat Creek (HUC 170401030205) |
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES WYR321018.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WYR321018.
Inspections
EPA’s inspection file holds no inspection for NPDES WYR321018.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES WYR321018.
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, WYR321018.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
Nearby on the register
- Discharge permits in Jackson
- Every permit record in Jackson, A to Z
- Discharge permits in Wyoming
- Every permit record in Wyoming, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.