City Of Mesa - Greenfield Water Reclamation Plant
Gilbert, AZ · Maricopa County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- 30 MGD
- NPDES permit
- AZ0025241
- Effective
- Permit expires
- September 2029
- Population served
- —
- CWNS 2022
City Of Mesa - Greenfield Water Reclamation Plant is a publicly owned wastewater treatment works in Gilbert, Maricopa County, Arizona treating an average of 0.03 million gallons per day against a permitted design capacity of 30 MGD. Treatment on site includes biogas balloons. It discharges under NPDES permit AZ0025241 (effective), which expires in September 2029, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Gilbert
Gilbert's capital improvement plan lists 154 water, sewer and wastewater line items worth $2.2B starting 2025–2030. The largest budgeted items are shown here.
All water and sewer capital projects in Gilbert →
| Project | Budget | Years |
|---|---|---|
| NWTP Expansion and Reconstruction | $578,843,000 | 2025–2026 |
| ACP Water Line Replacements | $273,721,000 | 2027–2034 |
| GWRP Expansion Phase 4 | $123,992,000 | 2026–2027 |
| Islands Water Line Replacement | $84,844,000 | 2028–2034 |
| System Wide Force Main Retrofit | $76,208,000 | 2025–2034 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
4 verified contacts for City Of Mesa - Greenfield Water Reclamation Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at City Of Mesa - Greenfield Water Reclamation Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Arizona
Mesa · 12 mi away
2.72 MGD
Apache Junction · 12 mi away
—
Phoenix · 24 mi away
35.67 MGD
Casa Grande · 25 mi away
3.54 MGD
Florence · 25 mi away
—
Florence · 25 mi away
—
Tolleson · 30 mi away
78.71 MGD
Tolleson · 32 mi away
—
City Of Mesa - Greenfield Water Reclamation Plant: 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 September 11, 2026; facility record last updated March 6, 2025.