Clean Water Act discharge permit · NPDES AZC107435
PLATEAU PEAK / PIPE CREEK PIPELINE, AZ: NPDES AZC107435 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
PLATEAU PEAK / PIPE CREEK PIPELINE, held by Stronghold Engineering Incorporated, holds NPDES permit AZC107435. EPA’s file records it issued February 11, 2025 and expiring June 30, 2025.
PLATEAU PEAK / PIPE CREEK PIPELINE, Arizona: Coverage under a general permit AZC107435, held by Stronghold Engineering Incorporated; Administratively continued (past its expiration date and still in force until reissued); issued February 11, 2025, term to June 30, 2025.
Other permits held by Stronghold Engineering Incorporated
- SOUTH GATE LAYDOWN YARD: AZC099069, issued June 5, 2023
- GRAND CANYON - SOUTH RIM DWTP: AZC099070, issued June 5, 2023
- PHANTOM RANCH WATERLINE: AZC100760, issued October 20, 2023
- BRIGHT ANGEL PIPELINE: AZC100761, issued October 20, 2023
- GARDEN CREEK: AZC106184, issued November 22, 2024
- BRIGHT ANGEL CAMPGROUND: AZC107115, issued January 22, 2025
- PLATEAU CORRIDOR: AZC107116, issued January 22, 2025
- USDOI NPS - PETRIFIED FOREST NATIONAL PARK, Petrified Forest National Park: AZC112295, issued October 3, 2025
- SOUTH GATE LAYDOWN YARD: AZC112299, issued August 29, 2025
- PLATEAU CORRIDOR: AZC112300, issued August 29, 2025
PLATEAU PEAK / PIPE CREEK PIPELINE among its neighbors
EPA’s permit file holds 6 discharge permits in the Trinity Creek-Colorado River subwatershed (HUC 150100020102), AZC107435 among them.
Other permits in the Trinity Creek-Colorado River subwatershed (HUC 150100020102)
- BRIGHT ANGEL PIPELINE, Unknown: AZC100761, minor permit, permit term to June 30, 2025
- GARDEN CREEK, Unknown: AZC106184, minor permit, permit term to June 30, 2025
- PLATEAU CORRIDOR, Unknown: AZC107116, minor permit, permit term to June 30, 2025
- PLATEAU CORRIDOR, Unknown: AZC112300, minor permit, discharging to Garden Creek | Headwaters - PIPE CREEK @ 36°5, permit term to August 28, 2030
- PLATEAU PEAK / PIPE CREEK PIPELINE, Unknown: AZC112301, minor permit, discharging to Garden Creek | Headwaters - PIPE CREEK @ 36°5, permit term to August 28, 2030
What the register holds for PLATEAU PEAK / PIPE CREEK PIPELINE: its NPDES ID, its permit type and status, its dates, its address, Arizona. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC107435.
Identity
| Facility as filed | PLATEAU PEAK / PIPE CREEK PIPELINE |
|---|---|
| Permittee as filed | Stronghold Engineering Incorporated |
| NPDES ID | AZC107435 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 11, 2025 |
| Expiration date | June 30, 2025 |
| Address | AZ 85029 |
| Subwatershed | Trinity Creek-Colorado River (HUC 150100020102) |
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 AZC107435.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC107435.
Inspections
EPA’s inspection file holds no inspection for NPDES AZC107435.
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 AZC107435.
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, AZC107435.
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
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.