Clean Water Act discharge permit · NPDES AZC111197
SOUTHERN AVE TO FUTURE 271ST AVE TO BASELINE RD, AZ: NPDES AZC111197 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
SOUTHERN AVE TO FUTURE 271ST AVE TO BASELINE RD, held by Markham Contracting Co Inc, holds NPDES permit AZC111197, which discharges to Roosevelt Canal. EPA’s file records it issued August 29, 2025 and expiring August 28, 2030.
SOUTHERN AVE TO FUTURE 271ST AVE TO BASELINE RD, Arizona: Coverage under a general permit AZC111197, held by Markham Contracting Co Inc; Effective; issued August 29, 2025, term to August 28, 2030, by ADEQ; discharges to Roosevelt Canal.
Other permits held by Markham Contracting Co Inc
- ROAD WORK FOR THE DISTRICT AT CRYSTAL SPRING: AZC105800, issued October 18, 2024
- COMPASS DATACENTER - PHX II CAMPUS: AZC107375, issued February 6, 2025
- SOUTHERN AVE TO FUTURE 271ST AVE TO BASELINE RD: AZC109374, issued May 12, 2025
- COMPASS DATACENTER - PHX II CAMPUS: AZC111199, issued August 29, 2025
- ROAD WORK FOR THE DISTRICT AT CRYSTAL SPRING: AZC111200, issued August 29, 2025
- CAMELBACK RD. & SR 303: AZC111203, issued August 29, 2025
- CAMELBACK RD. & SR 303: AZCN94825, issued June 8, 2022
SOUTHERN AVE TO FUTURE 271ST AVE TO BASELINE RD among its neighbors
EPA’s permit file holds 88 discharge permits in the Buckeye Valley-Gila River subwatershed (HUC 150701010204), AZC111197 among them.
Other permits in the Buckeye Valley-Gila River subwatershed (HUC 150701010204)
- ALGODON PHASE 2&3, Unknown: AZCN92214, minor permit, permit term to June 30, 2025
- ALLURE VISTA, Unknown: AZC106463, minor permit, permit term to June 30, 2025
- ANDERSON PARC, Buckeye: AZC114230, minor permit, permit term to August 28, 2030
- ANDERSON PARC, Unknown: AZCN92760, minor permit, permit term to June 30, 2025
- APACHE AND SOUTHERN IMPROVEMENTS, Unknown: AZC107148, minor permit, permit term to June 30, 2025
- APACHE FARMS, Unknown: AZC105671, minor permit, permit term to June 30, 2025
- APACHE FARMS, Unknown: AZC111187, minor permit, discharging to Unnamed ephemeral tributary, permit term to August 28, 2030
- APACHE FARMS, Unknown: AZC113480, minor permit, discharging to Roosevelt Canal, permit term to August 28, 2030
- APACHE FARMS, Unknown: AZC114321, minor permit, permit term to August 28, 2030
- APS HUBWEST, Buckeye: AZC115994, minor permit, discharging to Buckeye Canal | SOUTH EXTENSION CANAL - TERMIN, permit term to August 28, 2030
What the register holds for SOUTHERN AVE TO FUTURE 271ST AVE TO BASELINE RD: its NPDES ID, its permit type and status, its dates, its address, Arizona, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZC111197.
Identity
| Facility as filed | SOUTHERN AVE TO FUTURE 271ST AVE TO BASELINE RD |
|---|---|
| Permittee as filed | Markham Contracting Co Inc |
| NPDES ID | AZC111197 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 29, 2025 |
| Expiration date | August 28, 2030 |
| Issuing agency | ADEQ |
| Address | AZ 85016 |
| Receiving water | Roosevelt Canal |
| Subwatershed | Buckeye Valley-Gila River (HUC 150701010204) |
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 AZC111197.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES AZC111197.
Inspections
EPA’s inspection file holds no inspection for NPDES AZC111197.
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 AZC111197.
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, AZC111197.
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 September 15, 2026.