Clean Water Act discharge permit · NPDES AZ0025348
USDOI BR - YUMA DESALTING PLANT, Yuma, AZ: NPDES AZ0025348 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 116Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
USDOI BR - YUMA DESALTING PLANT, held by Us Bureau Of Reclamation, holds NPDES permit AZ0025348. EPA’s file records it issued June 27, 2016 and expiring June 26, 2021.
USDOI BR - YUMA DESALTING PLANT, Yuma, Arizona: Individual permit AZ0025348, held by Us Bureau Of Reclamation; Publicly owned treatment works; Effective; issued June 27, 2016, term to June 26, 2021.
- Boron, total recoverable: 26 limits, 36 violations of any kind, 2 effluent exceedances, latest June 30, 2018, largest 262% over the limit.
- pH: 16 limits, 2 violations of any kind, 1 effluent exceedance, latest August 31, 2013.
- Chlorine, total residual: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest January 31, 2026, largest 15% over the limit.
- Lead, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 4 limits, 28 violations of any kind, 0 effluent exceedances.
- Mercury, total recoverable: 10 limits, 12 violations of any kind, 0 effluent exceedances.
- Hydrogen sulfide: 3 limits, 12 violations of any kind, 0 effluent exceedances.
- Arsenic, total recoverable: 2 limits, 12 violations of any kind, 0 effluent exceedances.
- Selenium, total recoverable: 6 limits, 11 violations of any kind, 0 effluent exceedances.
- Nitrogen, ammonia total [as N]: 2 limits, 11 violations of any kind, 0 effluent exceedances.
- Thallium, total recoverable: 2 limits, 11 violations of any kind, 0 effluent exceedances.
- Beryllium, total recoverable [as Be]: 2 limits, 11 violations of any kind, 0 effluent exceedances.
- Nickel, total recoverable: 2 limits, 11 violations of any kind, 0 effluent exceedances.
- Silver total recoverable: 2 limits, 11 violations of any kind, 0 effluent exceedances.
- Zinc, total recoverable: 2 limits, 11 violations of any kind, 0 effluent exceedances.
- Chromium, hexavalent dissolved [as Cr]: 2 limits, 11 violations of any kind, 0 effluent exceedances.
- Antimony, total recoverable: 2 limits, 11 violations of any kind, 0 effluent exceedances.
- Copper, total recoverable: 26 limits, 10 violations of any kind, 0 effluent exceedances.
- TU Static Renewal 7-Day Chronic Ceriodaphnia dubia: 12 limits, 10 violations of any kind, 0 effluent exceedances.
- Cyanide, total [as CN]: 6 limits, 10 violations of any kind, 0 effluent exceedances.
- Hardness, total [as CaCO3]: 6 limits, 10 violations of any kind, 0 effluent exceedances.
- Cadmium, total recoverable: 2 limits, 10 violations of any kind, 0 effluent exceedances.
- Chromium, total recoverable: 2 limits, 10 violations of any kind, 0 effluent exceedances.
- Static 4Day Chronic Selen. Capricornutum: 0 limits, 10 violations of any kind, 0 effluent exceedances.
- TU Static Renewal 7-Day Chronic Pimphales promelas: 12 limits, 9 violations of any kind, 0 effluent exceedances.
- Solids, total suspended: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Oil & Grease: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Nitrogen, Kjeldahl, total [as N]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Nitrite + Nitrate total [as N]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum): 12 limits, 0 violations of any kind, 0 effluent exceedances.
- Iron, total recoverable: 7 limits, 0 violations of any kind, 0 effluent exceedances.
- Solids, total dissolved: 6 limits, 0 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. centigrade: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- BOD, 5-day, 20 deg. C: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Sulfide, total [as S]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Asbestos: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Fluoride, total [as F]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Barium, total recoverable: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Tributyltin: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Diquat: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Manganese, total recoverable: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Uranium, total as U3O8: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Dinoseb: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Dichlorobromomethane: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Carbon tetrachloride: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,2-Dichloroethane: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Bromoform: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Dibromochloromethane: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Chloroform: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Toluene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Benzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- .delta.-BHC: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Acrolein: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Acrylonitrile: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Chlorobenzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Endosulfan sulfate: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Endrin aldehyde: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Ethylbenzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- April 20, 2026: No Further Action (State).
- April 7, 2026: Evaluation (S).
- March 10, 2026: Notice of Violation (State).
- March 3, 2026: Effluent Violations - Numeric effluent violation (ST6).
Arizona holds 91 Publicly owned treatment works coverages of this permit type in EPA’s file; 20 were issued before AZ0025348.
Coverages issued nearest AZ0025348
- February 5, 2015: JOINT VENTURE WWTF, Parker, AZ0021415, held by COLORADO RIVER SEWAGE SYSTEM
- December 8, 2015: GANADO WWTP, Ganado, NN0022195, held by NAVAJO TRIBAL UTILITY AUTHORITY
- January 21, 2016: WINDOW ROCK WWTF, Fort Defiance, NN0021555, held by NAVAJO TRIBAL UTILITY AUTHORITY
- May 23, 2016: TUBA CITY WWTF, Tuba City, NN0020290, held by NAVAJO TRIBAL UTILITY AUTHORITY
- May 27, 2016: HON-DAH REGIONAL WWTF, Whiteriver, AZ0024589, held by WHITE MOUNTAIN APACHE TRIBE
- July 11, 2016: TOWN OF KEARNY WASTEWATER RECLAMATION FACILITY, Kearny, AZ0024449, held by Town Of Kearny
- July 12, 2016: PIMA COUNTY - WWMD - MOUNT LEMMON WWTP, Mount Lemmon, AZ0022250, held by Pima County Regional Wastewater Reclamation Department
- October 14, 2016: CITY OF BENSON - WWTF, Benson, AZ0026026, held by City Of Benson
- November 1, 2016: CITY OF KINGMAN - DOWNTOWN WWTP, Kingman, AZ0026018, held by City Of Kingman
- March 8, 2017: TOWN OF JEROME - WWTP, Jerome, AZ0021804, held by Town Of Jerome
USDOI BR - YUMA DESALTING PLANT among its neighbors
EPA’s permit file holds 4 discharge permits in the Bee Wash-Colorado River subwatershed (HUC 150301070107), AZ0025348 among them. Its county holds 21, 3 of them major permits; AZ0025348 is a major permit.
Other permits in the Bee Wash-Colorado River subwatershed (HUC 150301070107)
- CITY OF YUMA - FIGUEROA AVE WPCF, Yuma: AZ0020443, major permit, permit term to August 14, 2028
- COCOPAH NORTH RESTORATION PROJECT, Yuma: AZR10I1DY, minor permit, permit term to February 16, 2027
- YUMA COGENERATION ASSOCIATES, Yuma: AZ0024767, not classed
Identity
| Facility as filed | USDOI BR - YUMA DESALTING PLANT |
|---|---|
| Permittee as filed | Us Bureau Of Reclamation |
| NPDES ID | AZ0025348 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Federal facility |
| Program | Publicly owned treatment works |
| Issued | June 27, 2016 |
| Expiration date | June 26, 2021 |
| Address | Yuma, AZ 85364 |
| Subwatershed | Bee Wash-Colorado River (HUC 150301070107) |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler AZ3142390027 |
Effluent limits and exceedances
- 118Pollutants on file
- 116Under a numeric limit
- 30With a violation of any kind
- 3With 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; the 60 with the most exceedances of 118 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Boron, total recoverable | 26 | 36 | 2 | June 30, 2018 | 262% over the limit |
| pH | 16 | 2 | 1 | August 31, 2013 | |
| Chlorine, total residual | 0 | 1 | 1 | January 31, 2026 | 15% over the limit |
| Lead, total recoverable | 2 | 30 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 28 | 0 | ||
| Mercury, total recoverable | 10 | 12 | 0 | ||
| Hydrogen sulfide | 3 | 12 | 0 | ||
| Arsenic, total recoverable | 2 | 12 | 0 | ||
| Selenium, total recoverable | 6 | 11 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 11 | 0 | ||
| Thallium, total recoverable | 2 | 11 | 0 | ||
| Beryllium, total recoverable [as Be] | 2 | 11 | 0 | ||
| Nickel, total recoverable | 2 | 11 | 0 | ||
| Silver total recoverable | 2 | 11 | 0 | ||
| Zinc, total recoverable | 2 | 11 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 11 | 0 | ||
| Antimony, total recoverable | 2 | 11 | 0 | ||
| Copper, total recoverable | 26 | 10 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 12 | 10 | 0 | ||
| Cyanide, total [as CN] | 6 | 10 | 0 | ||
| Hardness, total [as CaCO3] | 6 | 10 | 0 | ||
| Cadmium, total recoverable | 2 | 10 | 0 | ||
| Chromium, total recoverable | 2 | 10 | 0 | ||
| Static 4Day Chronic Selen. Capricornutum | 0 | 10 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 12 | 9 | 0 | ||
| Solids, total suspended | 2 | 1 | 0 | ||
| Oil & Grease | 2 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 1 | 0 | ||
| Phosphorus, total [as P] | 2 | 1 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 12 | 0 | 0 | ||
| Iron, total recoverable | 7 | 0 | 0 | ||
| Solids, total dissolved | 6 | 0 | 0 | ||
| Temperature, water deg. centigrade | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 0 | 0 | ||
| Sulfide, total [as S] | 2 | 0 | 0 | ||
| Asbestos | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Barium, total recoverable | 2 | 0 | 0 | ||
| Tributyltin | 2 | 0 | 0 | ||
| Diquat | 2 | 0 | 0 | ||
| Manganese, total recoverable | 2 | 0 | 0 | ||
| Uranium, total as U3O8 | 2 | 0 | 0 | ||
| Dinoseb | 2 | 0 | 0 | ||
| Dichlorobromomethane | 2 | 0 | 0 | ||
| Carbon tetrachloride | 2 | 0 | 0 | ||
| 1,2-Dichloroethane | 2 | 0 | 0 | ||
| Bromoform | 2 | 0 | 0 | ||
| Dibromochloromethane | 2 | 0 | 0 | ||
| Chloroform | 2 | 0 | 0 | ||
| Toluene | 2 | 0 | 0 | ||
| Benzene | 2 | 0 | 0 | ||
| .delta.-BHC | 2 | 0 | 0 | ||
| Acrolein | 2 | 0 | 0 | ||
| Acrylonitrile | 2 | 0 | 0 | ||
| Chlorobenzene | 2 | 0 | 0 | ||
| Endosulfan sulfate | 2 | 0 | 0 | ||
| Endrin aldehyde | 2 | 0 | 0 | ||
| Ethylbenzene | 2 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 3, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| April 7, 2026 | Evaluation | S |
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 |
|---|---|---|
| April 20, 2026 | No Further Action | State |
| March 10, 2026 | Notice of Violation | State |
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.