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Clean Water Act discharge permit · NPDES AZ0026280

USDOI BR - GLEN CANYON DAM & POWERPLANT, Page, AZ: NPDES AZ0026280 discharge permit, effluent exceedances, inspections, penalties

USDOI BR - GLEN CANYON DAM & POWERPLANT, held by Usdoi Br -Glen Canyon Dam & Power Plant, holds NPDES permit AZ0026280. EPA’s file records it issued April 3, 2019 and expiring June 19, 2022.

USDOI BR - GLEN CANYON DAM & POWERPLANT, Page, Arizona: Individual permit AZ0026280, held by Usdoi Br -Glen Canyon Dam & Power Plant; Effective; issued April 3, 2019, term to June 19, 2022.

  • Solids, total dissolved: 7 limits, 4 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 3 limits, 2 violations of any kind, 0 effluent exceedances.
  • Mercury, total recoverable: 3 limits, 2 violations of any kind, 0 effluent exceedances.
  • pH: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Hardness, total [as CaCO3]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Iron, total recoverable: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Selenium, total recoverable: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Silver total recoverable: 3 limits, 0 violations of any kind, 0 effluent exceedances.
  • Temperature, water deg. centigrade: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Cyanide, total [as CN]: 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.
  • 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.
  • BOD, 5-day, 20 deg. C: 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.
  • Phosphorus, total [as P]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Carbon, tot organic [TOC]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Arsenic, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Thallium, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Beryllium, total recoverable [as Be]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Nickel, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Zinc, 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.
  • Chromium, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Copper, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Chromium, hexavalent dissolved [as Cr]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Antimony, total recoverable: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Chlorine, total residual: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • E. coli, colony forming units [CFU]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Chemical Oxygen Demand [COD]: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Other permits held by Usdoi Br -Glen Canyon Dam & Power Plant

USDOI BR - GLEN CANYON DAM & POWERPLANT among its neighbors

EPA’s permit file holds 4 discharge permits in the Glen Canyon Dam-Lake Powell subwatershed (HUC 140700061008), AZ0026280 among them.

Other permits in the Glen Canyon Dam-Lake Powell subwatershed (HUC 140700061008)

Identity

Facility as filedUSDOI BR - GLEN CANYON DAM & POWERPLANT
Permittee as filedUsdoi Br -Glen Canyon Dam & Power Plant
NPDES IDAZ0026280
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeFederal facility
IssuedApril 3, 2019
Expiration dateJune 19, 2022
AddressPage, AZ 86040
Receiving water impaired303(D) Listed
SubwatershedGlen Canyon Dam-Lake Powell (HUC 140700061008)
SIC4911 – Electric Services

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total dissolved740
Solids, total suspended320
Mercury, total recoverable320
pH400
Oil & Grease300
Hardness, total [as CaCO3]300
Iron, total recoverable300
Selenium, total recoverable300
Silver total recoverable300
Temperature, water deg. centigrade200
Cyanide, total [as CN]200
Flow, in conduit or thru treatment plant200
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)200
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia200
TU Static Renewal 7-Day Chronic Pimphales promelas200
Oxygen, dissolved [DO]100
BOD, 5-day, 20 deg. C100
Nitrogen, Kjeldahl, total [as N]100
Nitrite + Nitrate total [as N]100
Phosphorus, total [as P]100
Carbon, tot organic [TOC]100
Arsenic, total recoverable100
Thallium, total recoverable100
Beryllium, total recoverable [as Be]100
Nickel, total recoverable100
Zinc, total recoverable100
Cadmium, total recoverable100
Lead, total recoverable100
Chromium, total recoverable100
Copper, total recoverable100
Chromium, hexavalent dissolved [as Cr]100
Antimony, total recoverable100
Chlorine, total residual100
E. coli, colony forming units [CFU]100
Chemical Oxygen Demand [COD]100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES AZ0026280.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZ0026280.

Inspections

EPA’s inspection file holds no inspection for NPDES AZ0026280.

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 AZ0026280.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit AZ0026280, held by USDOI BR - GLEN CANYON DAM & POWERPLANT in Page, AZ, a minor discharger under an effective individual permit in the Glen Canyon Dam-Lake Powell (HUC 140700061008) subwatershed. The page lists 35 pollutants on file, 35 under a numeric limit, 3 with a violation of any kind, and 0 with an effluent exceedance.