Clean Water Act discharge permit · NPDES AZI108950
BHP COPPER INC, San Manuel, AZ: NPDES AZI108950 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
BHP COPPER INC, held by Bhp Copper Inc., holds NPDES permit AZI108950, which discharges to San Pedro River | Peppersauce Wash - Aravaipa. EPA’s file records it issued January 16, 2025 and expiring January 15, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BHP COPPER INC |
|---|---|
| Permittee as filed | Bhp Copper Inc. |
| NPDES ID | AZI108950 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | January 16, 2025 |
| Expiration date | January 15, 2030 |
| Issuing agency | ADEQ |
| Address | San Manuel, AZ 85631 |
| Receiving water | San Pedro River | Peppersauce Wash - ARAVAIPA |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Peppersauce Wash (HUC 150502030510) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 1With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 100 | 1 | 0 | ||
| Copper, dissolved [as Cu] | 99 | 0 | 0 | ||
| pH | 1 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 0 | 0 | ||
| Zinc, total [as Zn] | 1 | 0 | 0 | ||
| Phenol | 1 | 0 | 0 | ||
| .alpha.-Terpineol | 1 | 0 | 0 | ||
| Benzoic acids, total | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES AZI108950.
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 AZI108950.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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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 AZI108950 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.