Clean Water Act discharge permit · NPDES AZ0024741
BLACK CANYON RANCH RV RESORT WWTP, Black Canyon City, AZ: NPDES AZ0024741 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 42Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
BLACK CANYON RANCH RV RESORT WWTP, held by D And D Partners, holds NPDES permit AZ0024741. EPA’s file records it issued November 22, 2016 and expiring November 21, 2021.
BLACK CANYON RANCH RV RESORT WWTP, Black Canyon City, Arizona: Individual permit AZ0024741, held by D And D Partners; Industrial pretreatment; Administratively continued (past its expiration date and still in force until reissued); issued November 22, 2016, term to November 21, 2021.
- Nitrogen, nitrate total [as N]: 4 limits, 24 violations of any kind, 20 effluent exceedances, latest March 31, 2025, largest 87% over the limit.
- Nitrogen, ammonia total [as N]: 3 limits, 14 violations of any kind, 14 effluent exceedances, latest July 31, 2022, largest 900% over the limit.
- E. coli, colony forming units [CFU]: 3 limits, 7 violations of any kind, 7 effluent exceedances, latest July 31, 2021, largest 972% over the limit.
- Copper, total recoverable: 5 limits, 6 violations of any kind, 6 effluent exceedances, latest December 31, 2012, largest 2,633% over the limit.
- Solids, suspended percent removal: 1 limit, 4 violations of any kind, 4 effluent exceedances, latest May 31, 2024, largest 227% over the limit.
- BOD, 5-day, 20 deg. C: 7 limits, 3 violations of any kind, 3 effluent exceedances, latest June 30, 2026, largest 660% over the limit.
- Solids, total suspended: 7 limits, 3 violations of any kind, 3 effluent exceedances, latest May 31, 2024, largest 73% over the limit.
- Selenium, total recoverable: 5 limits, 3 violations of any kind, 3 effluent exceedances, latest June 30, 2020, largest 75% over the limit.
- Zinc, total recoverable: 5 limits, 2 violations of any kind, 2 effluent exceedances, latest June 30, 2020, largest 26% over the limit.
- BOD, 5-day, percent removal: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest June 30, 2026, largest 407% over the limit.
- Phosphorus, total [as P]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Solids, total dissolved: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- pH: 6 limits, 0 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. centigrade: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Cyanide, total [as CN]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Hardness, total [as CaCO3]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Arsenic, total recoverable: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Oil & Grease: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Boron, total recoverable: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Mercury, total recoverable: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Iron, total recoverable: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Beryllium, total recoverable [as Be]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Chromium, total [as Cr]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Chromium, hexavalent dissolved [as Cr]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Sulfide, total [as S]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Hydrogen sulfide: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum): 2 limits, 0 violations of any kind, 0 effluent exceedances.
- TU Static Renewal 7-Day Chronic Ceriodaphnia dubia: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- TU Static Renewal 7-Day Chronic Pimphales promelas: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Nitrogen, Kjeldahl, total [as N]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Nitrite + Nitrate total [as N]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Thallium, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Barium, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Nickel, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Silver total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Cadmium, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Lead, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Antimony, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Manganese, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- August 17, 2026: Notice of Violation (State).
- August 12, 2026: Effluent Violations - Numeric effluent violation (ST6).
Arizona holds 5 Industrial pretreatment coverages of this permit type in EPA’s file; 3 were issued before AZ0024741.
Coverages issued nearest AZ0024741
- July 13, 1983: CITY OF GLENDALE - ARROWHEAD RANCH WRF, Glendale, AZPT00009, held by City Of Glendale
- April 9, 2010: TOWN OF QUEEN CREEK - MERIDIAN RECHARGE FACILITY, Queen Creek, AZPT00019, held by Town Of Queen Creek - Water Department
- February 15, 2011: TOWN OF GILBERT - WTP, Gilbert, AZPT00008, held by Town Of Gilbert
- February 26, 2019: TUCSON ELECTRIC POWER - NORTH LOOP, Marana, AZ0024821, held by Tucson Electric Power Company
BLACK CANYON RANCH RV RESORT WWTP among its neighbors
EPA’s permit file holds 1 discharge permits in the Black Canyon Creek (Local Drainage) subwatershed (HUC 150701020308), AZ0024741 among them. Its county holds 52, 2 of them major permits; AZ0024741 is a minor permit.
Identity
| Facility as filed | BLACK CANYON RANCH RV RESORT WWTP |
|---|---|
| Permittee as filed | D And D Partners |
| NPDES ID | AZ0024741 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial pretreatment |
| Issued | November 22, 2016 |
| Expiration date | November 21, 2021 |
| Address | Black Canyon City, AZ 85324 |
| Subwatershed | Black Canyon Creek (Local Drainage) (HUC 150701020308) |
Effluent limits and exceedances
- 42Pollutants on file
- 42Under a numeric limit
- 12With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| Nitrogen, nitrate total [as N] | 4 | 24 | 20 | March 31, 2025 | 87% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 14 | 14 | July 31, 2022 | 900% over the limit |
| E. coli, colony forming units [CFU] | 3 | 7 | 7 | July 31, 2021 | 972% over the limit |
| Copper, total recoverable | 5 | 6 | 6 | December 31, 2012 | 2,633% over the limit |
| Solids, suspended percent removal | 1 | 4 | 4 | May 31, 2024 | 227% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 3 | 3 | June 30, 2026 | 660% over the limit |
| Solids, total suspended | 7 | 3 | 3 | May 31, 2024 | 73% over the limit |
| Selenium, total recoverable | 5 | 3 | 3 | June 30, 2020 | 75% over the limit |
| Zinc, total recoverable | 5 | 2 | 2 | June 30, 2020 | 26% over the limit |
| BOD, 5-day, percent removal | 1 | 1 | 1 | June 30, 2026 | 407% over the limit |
| Phosphorus, total [as P] | 1 | 1 | 0 | ||
| Solids, total dissolved | 1 | 1 | 0 | ||
| pH | 6 | 0 | 0 | ||
| Temperature, water deg. centigrade | 5 | 0 | 0 | ||
| Cyanide, total [as CN] | 5 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 5 | 0 | 0 | ||
| Arsenic, total recoverable | 5 | 0 | 0 | ||
| Chlorine, total residual | 5 | 0 | 0 | ||
| Oil & Grease | 4 | 0 | 0 | ||
| Boron, total recoverable | 4 | 0 | 0 | ||
| Mercury, total recoverable | 4 | 0 | 0 | ||
| Iron, total recoverable | 3 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 3 | 0 | 0 | ||
| Chromium, total [as Cr] | 3 | 0 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 3 | 0 | 0 | ||
| Sulfide, total [as S] | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Hydrogen sulfide | 2 | 0 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 0 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 0 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Thallium, total recoverable | 1 | 0 | 0 | ||
| Barium, total recoverable | 1 | 0 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Silver total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Antimony, total recoverable | 1 | 0 | 0 | ||
| Manganese, total recoverable | 1 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 12, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES AZ0024741.
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
| Date | What EPA recorded | Agency |
|---|---|---|
| August 17, 2026 | Notice of Violation | State |
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.