Clean Water Act discharge permit · NPDES AZC117312
SI HP (2026) - SOUTH COUNTY REINFORCEMENT PHASE 1 5697945, AZ: NPDES AZC117312 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
SI HP (2026) - SOUTH COUNTY REINFORCEMENT PHASE 1 5697945, held by Southwest Gas Corporation, holds NPDES permit AZC117312, which discharges to Airport Wash South Fork. EPA’s file records it issued July 31, 2026 and expiring August 28, 2030. 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.
What the register holds for SI HP (2026) - SOUTH COUNTY REINFORCEMENT PHASE 1 5697945: 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 AZC117312.
Identity
| Facility as filed | SI HP (2026) - SOUTH COUNTY REINFORCEMENT PHASE 1 5697945 |
|---|---|
| Permittee as filed | Southwest Gas Corporation |
| NPDES ID | AZC117312 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 31, 2026 |
| Expiration date | August 28, 2030 |
| Issuing agency | ADEQ |
| Address | AZ 85714 |
| Receiving water | Airport Wash South Fork |
| Subwatershed | Rodeo Wash-Santa Cruz River (HUC 150503010905) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
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 AZC117312.
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 AZC117312.
Inspections
EPA’s inspection file holds no inspection for NPDES AZC117312.
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 AZC117312.
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
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, AZC117312.
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
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 AZC117312 there.
SI HP (2026) - SOUTH COUNTY REINFORCEMENT PHASE 1 5697945, Arizona: Coverage under a general permit AZC117312, held by Southwest Gas Corporation; Effective; issued July 31, 2026, term to August 28, 2030, by ADEQ; discharges to Airport Wash South Fork.
Other permits held by Southwest Gas Corporation
- SI LP (2025) - MAIN ST 4 MAIN AND SERVICE REPLACEMENT WR 4679097: AZC106882, issued 2025-01-10
- WR: 4082698 HPTW – FP332 CSYS 3” TRANSMISSION REPL PHASE 2: AZC107030, issued 2025-01-17
- WR # 4355834 HPTW-DOUGLAS RANCH TAP AND MAIN CACTUS RD ALIGNMENT: AZC107391, issued 2025-02-07
- HOUGHTON RD - 22ND ST TO ESCALANTE RD: AZC108336, issued 2025-03-31
- SI HP (2025) - MIDTOWN PHASE 10 - DRACHMAN ST WR 4933115: AZC109350, issued 2025-05-09
- STL LP – GLENN ST, CHERRY AVE TO ALVERNON WAY 4730816: AZC110478, issued 2025-08-11
- 51ST ST & IRONWOOD DR, Yuma: AZC113739, issued 2025-12-03
- SI LP (2026) ATLAS 0118 EAST SIDE GROVES REPLACEMENT WR5089351: AZC115334, issued 2026-03-24
- WR5046638 HPTW-FP303 PH2 INDIAN SCHOOL COTTON LN TO LITCHFIELD RD: AZC116275, issued 2026-05-20
- WR 4598499 DOVE VALLEY RD AND I-17 FREEWAY: AZC116278, issued 2026-05-20
SI HP (2026) - SOUTH COUNTY REINFORCEMENT PHASE 1 5697945 among its neighbors
72 discharge permits are in the Rodeo Wash-Santa Cruz River subwatershed (HUC 150503010905); AZC117312 is one.
Other permits in the Rodeo Wash-Santa Cruz River subwatershed (HUC 150503010905)
- 25-046 MISSION MANOR 2D, Unknown: AZC111241, minor, term to 2030-08-28
- 26-058 AMERICAN BATTERY FACTORY, Unknown: AZC117178, minor, term to 2030-08-28
- 3361 E GLOBAL LOOP, TUCSON, AZ 85706, Unknown: AZC116926, minor, term to 2030-08-28
- ALVERNON RD S. TUCSON ARIZONA, Unknown: AZC100546, minor, term to 2025-06-30
- AMAZON.COM SERVICES LLC - SAZ3, Tucson: AZI104898, minor, term to 2024-12-31
- AMAZON.COM SERVICES LLC - SAZ3, Tucson: AZI108929, minor, term to 2030-01-15
- ARAGON RD - TAA, Unknown: AZC114333, minor, term to 2030-08-28
- ARCO YOURSPACE SELF STORAGE, Tucson: AZC114517, minor, term to 2030-08-28
- ARIZONA AUTO WRECKING INC, Tucson: AZMS67462, minor, term to 2016-05-10
- ARIZONA RECYCLES LLC, Tucson: AZMS81262, minor, term to 2024-12-30
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.
What this page shows
This public-records page covers NPDES permit AZC117312, held by Southwest Gas Corporation for the SI HP (2026) - SOUTH COUNTY REINFORCEMENT PHASE 1 facility, which discharges to Airport Wash South Fork. The listed figures show a Minor Discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.