Whiteriver Sewage Lagoon
Whiteriver, AZ 85941 · Navajo County · Publicly Owned Treatment Works
- Average flow
- 0.58 MGD
- Design flow
- 0.7 MGD
- NPDES permit
- AZ0024058
- Effective
- Permit expires
- October 2026
- Population served
- —
- CWNS 2022
Whiteriver Sewage Lagoon is a publicly owned wastewater treatment works in Whiteriver, Navajo County, Arizona treating an average of 0.58 million gallons per day against a permitted design capacity of 0.7 MGD. It discharges under NPDES permit AZ0024058 (effective), which expires in October 2026, with 481 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in September 2024.
Treatment technology
Treatment structures and unit processes at Whiteriver Sewage Lagoon.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 481
- Effluent violations
- 104
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Whiteriver Sewage Lagoon in EPA's ICIS system.
- Formal actions
- 2
- 1 since FY2020
- Compliance actions
- $62,400
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Sep 2024
WMAT Whiteriver/Canyon Day AOC
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty
EPA's description of the case:
“This is an Administrative Order on Consent between US EPA and the White Mountain Apache Tribal Utility Authority (TUA) and White Mountain Apache Tribe (the Tribe) for alleged violations of the Clean…”
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Source: EPA ECHO, civil enforcement case 09-2024-1511.
Full case history with a free Klarifi account
Every action against Whiteriver Sewage Lagoon with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
1 verified contact for Whiteriver Sewage Lagoon, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Whiteriver Sewage Lagoon, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Arizona
Peridot · 49 mi away
0.12 MGD
Globe · 56 mi away
0.53 MGD
Safford · 70 mi away
0.72 MGD
Holbrook · 75 mi away
—
Winkelman · 75 mi away
0.01 MGD
Superior · 77 mi away
0.13 MGD
Kearny · 77 mi away
0.09 MGD
Payson · 85 mi away
0.79 MGD
Whiteriver Sewage Lagoon: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 12, 2026; facility record last updated October 28, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms