Town Of Superior Wastewater Treatment Plant (wwtp)
101 Airport Rd, Superior, AZ 85173 · Pinal County · Publicly Owned Treatment Works
- Average flow
- 0.13 MGD
- Design flow
- 0.75 MGD
- NPDES permit
- AZ0021199
- Effective
- Permit expires
- April 2028
- Population served
- 3,193
- CWNS 2022
Town Of Superior Wastewater Treatment Plant (wwtp) is a publicly owned wastewater treatment works in Superior, Pinal County, Arizona treating an average of 0.13 million gallons per day against a permitted design capacity of 0.75 MGD, serving about 3,193 residents. It discharges under NPDES permit AZ0021199 (effective), which expires in April 2028, with 19 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in February 2002.
Treatment technology
Treatment structures and unit processes at Town Of Superior Wastewater Treatment Plant (wwtp).
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 19
- Effluent violations
- 16
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 Town Of Superior Wastewater Treatment Plant (wwtp) in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $1,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Feb 2002
SUPERIOR SANITARY DISTRICT
Administrative order · CWA, Violations not covered elsewhere · Unilateral Administrative Order Without Adjudication · Compliance actions $1,000
Source: EPA ECHO, civil enforcement case 09-2002-0021.
Full case history with a free Klarifi account
Every action against Town Of Superior Wastewater Treatment Plant (wwtp) with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Town Of Superior Wastewater Treatment Plant (wwtp).
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Arizona
Kearny · 20 mi away
0.09 MGD
Globe · 21 mi away
0.53 MGD
Florence · 21 mi away
—
Florence · 24 mi away
—
Apache Junction · 26 mi away
—
Winkelman · 29 mi away
0.01 MGD
Gilbert · 36 mi away
1.08 MGD
Peridot · 38 mi away
0.12 MGD
Town Of Superior Wastewater Treatment Plant (wwtp): 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 26, 2026; facility record last updated November 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms