Clean Water Act discharge permit · NPDES COR430329
ADAMS 12 - ROCKY TOP MIDDLE SCHOOL, Thornton, CO: NPDES COR430329 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
ADAMS 12 - ROCKY TOP MIDDLE SCHOOL, held by Sampson Construction Co., Inc., holds NPDES permit COR430329. EPA’s file records it issued March 20, 2026 and expiring March 31, 2029.
ADAMS 12 - ROCKY TOP MIDDLE SCHOOL, Thornton, Colorado: Coverage under a general permit COR430329, held by Sampson Construction Co., Inc.; Effective; issued March 20, 2026, term to March 31, 2029.
Other permits held by Sampson Construction Co., Inc.
- SILVER CREEK HS STADIUM, Longmont: COR429743, issued February 10, 2026
- WESTGATE COMMUNITY SCHOOL, Thornton: COR430757, issued May 7, 2026
- WRAY COMMUNITY DISTRICT HOSPITAL, Wray: COR431628, issued July 30, 2026
ADAMS 12 - ROCKY TOP MIDDLE SCHOOL among its neighbors
EPA’s permit file holds 86 discharge permits in the Middle Big Dry Creek subwatershed (HUC 101900030407), COR430329 among them. Its county holds 670, 8 of them major permits; COR430329 is a minor permit.
Other permits in the Middle Big Dry Creek subwatershed (HUC 101900030407)
- 11250 WADSWORTH PARKWAY (DG/DE), Broomfield: COR424164, minor permit, permit term to March 31, 2029
- 140TH AVENUE AND GRANT STREET PROJECT, Thornton: COD000009, minor permit, discharging to Wetlands near Big Dry Creek, permit term to August 18, 2027
- 25717 US 287 OPERATIONAL IMPROVEMENTS, Broomfield: COR430723, minor permit, permit term to March 31, 2029
- ACADEMY OF CHARTER SCHOOLS, Westminster: COR430849, minor permit, permit term to March 31, 2029
- ADAMS 12 NUTRITION SERVICES CENTER, Westminster: COR429841, minor permit, permit term to March 31, 2029
- ADAMS COUNTY PUBLIC WORKS MS4, Westminster: COR090041, minor permit, discharging to Unnamed Tributary to Big Dry Creek, permit term to March 9, 2013
- ALEXAN NORTHGLENN, Northglenn: COR420755, minor permit, permit term to March 31, 2024
- AMAZON DEN3, Thornton: COR901459, minor permit, discharging to Bull Canal - Big Dry Creek, permit term to December 31, 2022
- AMAZON.COM SERVICES LLC DDV2, Thornton: COR901550, minor permit, discharging to tributary to South Platte River, permit term to December 31, 2022
- ARISTA APARTMENTS, Broomfield: COR418646, minor permit, permit term to March 31, 2024
What the register holds for ADAMS 12 - ROCKY TOP MIDDLE SCHOOL: its NPDES ID, its permit type and status, its dates, its address in Thornton, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR430329.
Identity
| Facility as filed | ADAMS 12 - ROCKY TOP MIDDLE SCHOOL |
|---|---|
| Permittee as filed | Sampson Construction Co., Inc. |
| NPDES ID | COR430329 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 20, 2026 |
| Expiration date | March 31, 2029 |
| Address | Thornton, CO 80602 |
| Subwatershed | Middle Big Dry Creek (HUC 101900030407) |
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 COR430329.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES COR430329.
Inspections
EPA’s inspection file holds no inspection for NPDES COR430329.
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 COR430329.
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, COR430329.
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 Thornton
- Every permit record in Thornton, A to Z
- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.